Navigating the intricacies of GMC vehicles and their diagnostic challenges? You’re in the right place. In this post, we’ll explore an extensive list of Diagnostic Trouble Codes (DTCs) specific to GMC automobiles.
DTC Manufacturer Specific Codes
Powertrain Diagnostic Trouble Codes List:
DTC P1001 GMC – EVAP Purge Valve – Output From Control Module Low
DTC P1002 GMC – EVAP Purge Valve – Output From Control Module High
DTC P1005 GMC – Fuel Level Sensor Control Module Too Many Resets
DTC P1010 GMC – Engine Coolant Flow Control Valve Position Sensor Exceeded Minimum Learning Limit
DTC P1015 GMC – Reductant Control Module Sensor Serial Communication Circuit Low Voltage
DTC P1020 GMC – Injector Control Circuit
DTC P1021 GMC – Auxiliary Injector 1 Control Circuit
DTC P1022 GMC – Auxiliary Injector 2 Control Circuit
DTC P1023 GMC – Auxiliary Injector 2 Control Circuit
DTC P1024 GMC – Auxiliary Injector 4 Control Circuit
DTC P1025 GMC – Auxiliary Injector 5 Control Circuit
DTC P1026 GMC – Auxiliary Injector 6 Control Circuit
DTC P1030 GMC – Engine Coolant Flow Control Valve Position Sensor Exceeded Maximum Learning Limit
DTC P1031 GMC – HO2S Heater Current Monitor Control Circuit Sensors 1
DTC P1032 GMC – HO2S Heater Warm Up Control Circuit Sensors 1
DTC P1040 GMC – Reductant Pump Control Circuit Shorted
DTC P1041 GMC – Injector Cylinder No4 Short to Ground
DTC P1105 GMC – Secondary Vacuum Sensor Circuit
DTC P1106 GMC – MAP Sensor Circuit Intermittent High Voltage
DTC P1107 GMC – MAP Sensor Circuit Intermittent Low Voltage
DTC P1108 GMC – BARO To MAP Sensor Circuit Comparison Too High
DTC P1109 GMC – Secondary Port Throttle System
DTC P1111 GMC – Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage
DTC P1112 GMC – Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage
DTC P1113 GMC – Intake Resonance Switchover Valve Circuit
DTC P1114 GMC – Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage
DTC P1115 GMC – Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage
DTC P1116 GMC – ECT Signal Unstable Or Intermittent
DTC P1117 GMC – Engine Coolant Temp Signal Out-Of-Range Low
DTC P1118 GMC – Engine Coolant Temp Signal Out-Of Range High
DTC P1119 GMC – ECT Signal Out Of Rage With TFT Sensor
DTC P1120 GMC – Throttle Position (TP) Sensor 1 Circuit
DTC P1121 GMC – TP Sensor Circuit Intermittent High Voltage
DTC P1122 GMC – TP Sensor Circuit Intermittent Low Voltage
DTC P1125 GMC – Accelerator Pedal Position (APP) System
DTC P1130 GMC – HO2S Circuit Low Variance Bank 1 Sensor 1
DTC P1131 GMC – HO2S Circuit Low Variance Bank 1 Sensor 2
DTC P1132 GMC – H02S Circuit Low Variance Bank 2 Sensor 1
DTC P1133 GMC – HO2S Insufficient Switching
DTC P1134 GMC – HO2S Transition Time Ratio
DTC P1135 GMC – HO2S Lean Average Bank 1 Sensor 1
DTC P1136 GMC – HO2S Rich Average Bank 1 Sensor 1
DTC P1137 GMC – HO2S Bank 1 Sensor 2 Lean Or Low Voltage
DTC P1138 GMC – HO2S Bank 1 Sensor 2 Rich Or High Voltage
DTC P1139 GMC – HO2S Insufficient Switching Bank 1 Sensor 2
DTC P1140 GMC – HO2S Transition Time Ratio Bank 1 Sensor 2
DTC P1141 GMC – HO2S Bank 1 Sensor 2 Average Voltage Level
DTC P1143 GMC – HO2S Bank 1 Sensor 3 Lean Or Low Voltage
DTC P1144 GMC – HO2S Bank 1 Sensor 3 Rich Or High Voltage
DTC P1145 GMC – HO2S Cross Counts Bank 1 Sensor 3
DTC P1153 GMC – HO2S Insufficient Switching
DTC P1154 GMC – HO2S Transition Time Ratio
DTC P1155 GMC – HO2S Lean Average Bank 2 Sensor 1
DTC P1156 GMC – HO2S Rich Average Bank 2 Sensor 1
DTC P1157 GMC – HO2S Bank 2 Sensor 2 Lean System Or Low Voltage
DTC P1158 GMC – HO2S Bank 2 Sensor 2 Rich Or High Voltage
DTC P1159 GMC – HO2S Cross Counts Bank 2 Sensor 2
DTC P1161 GMC – HO2S Heater Power Stage Circuit Bank 2 Sensor 2
DTC P1163 GMC – HO2S Bank 2 Sensor 3 Lean System Or Low Voltage
DTC P1164 GMC – HO2S Bank 2 Sensor 3 Rich Or High Voltage
DTC P1165 GMC – HO2S Cross Counts Bank 2 Sensor 2
DTC P1170 GMC – Bank To Bank Fuel Trim Offset
DTC P1171 GMC – Fuel System Lean During Acceleration
DTC P1185 GMC – Engine Oil Temperature Circuit
DTC P1186 GMC – EOT Circuit Performance
DTC P1187 GMC – EOT Sensor Circuit Low Voltage
DTC P1188 GMC – EOT Sensor Circuit High Voltage
DTC P1189 GMC – Engine Oil Pressure Switch Circuit
DTC P1190 GMC – Engine Vacuum Leak
DTC P1191 GMC – Intake Air Duct Air Leak
DTC P1200 GMC – Injector Control Circuit
DTC P1201 GMC – (Alternative Fuel) Gas Mass Sensor Circuit Range/Performance
DTC P1202 GMC – (Alternative Fuel) Gas Mass Sensor Circuit Low Frequency
DTC P1203 GMC – (Alternative Fuel) Gas Mass Sensor Circuit High Frequency
DTC P1211 GMC – Mass Air Flow Circuit Intermittent High
DTC P1212 GMC – Mass Air Flow Circuit Intermittent Low –
DTC P1214 GMC – Injection Pump Timing Offset
DTC P1215 GMC – Ground Fault Detection Indicated
DTC P1216 GMC – Fuel Solenoid Response Time Too Short
DTC P1217 GMC – Fuel Solenoid Response Time Too Long
DTC P1218 GMC – Injection Pump Calibration Circuit
DTC P1219 GMC – Throttle Position Sensor Refernce Voltage
DTC P1220 GMC – Throttle Position (TP) Sensor 2 Circuit
DTC P1221 GMC – Throttle Position (TP) Sensor 1- 2 Correlation
DTC P1222 GMC – Injector Control Circuit Intermittent
DTC P1225 GMC – Injector Circuit Cylinder 2 Intermittent
DTC P1228 GMC – Injector Circuit Cylinder 3 Intermittent
DTC P1231 GMC – Injector Circuit Cylinder 4 Intermittent
DTC P1234 GMC – Injector Circuit Cylinder 5 Intermittent
DTC P1237 GMC – Injector Circuit Cylinder 6 Intermittent
DTC P1240 GMC – Injector Circuit Cylinder 7 Intermittent
DTC P1243 GMC – Injector Circuit Cylinder 8 Intermittent
DTC P1245 GMC – Intake Plenum Switchover Valve
DTC P1250 GMC – Early Fuel Evaporation Heater Circuit
DTC P1257 GMC – Supercharger System Overboost
DTC P1258 GMC – Engine Coolant Over temperature – Protection Mode Active
DTC P1260 GMC – Last Test Failed SCC Or Theft Detected, Vehicle Immobilized
DTC P1270 GMC – Accelerator Pedal Position Sensor A/D Converter Error
DTC P1271 GMC – APP Sensor 1-2 Performance
DTC P1272 GMC – Accelerator Pedal Position Sensor 2
DTC P1273 GMC – Accelerator Pedal Position Sensor 1
DTC P1274 GMC – Injectors Wired Incorrectly
DTC P1275 GMC – Accelerator Pedal Position (APP) Sensor 1 Circuit
DTC P1276 GMC – Accelerator Pedal Position (APP) Sensor 1 Performance
DTC P1277 GMC – Accelerator Pedal Position Sensor 1 Circuit Low Voltage
DTC P1278 GMC – Accelerator Pedal Position Sensor 1 Circuit High Voltage
DTC P1280 GMC – Accelerator Pedal Position (APP) Sensor 2 Circuit
DTC P1281 GMC – Accelerator Pedal Position (APP) Sensor 2 Performance
DTC P1282 GMC – Accelerator Pedal Position Sensor 2 Circuit Low Voltage
DTC P1283 GMC – Accelerator Pedal Position Sensor 2 Circuit High Voltage
DTC P1285 GMC – Accelerator Pedal Position (APP) Sensor 3 Circuit
DTC P1286 GMC – Accelerator Pedal Position (APP) Sensor 3 Performance
DTC P1287 GMC – Accelerator Pedal Position Sensor 3 Circuit Low Voltage
DTC P1288 GMC – Accelerator Pedal Position Sensor 3 Circuit High Voltage
DTC P1300 GMC – Ignition Circuit
DTC P1305 GMC – Ignition Coil 2 Primary Feedback Circuit
DTC P1310 GMC – Ignition Coil 3 Primary Feedback Circuit
DTC P1315 GMC – Ignition Coil 4 Primary Feedback Circuit
DTC P1320 GMC – IC Module 4X Ref Circuit Intermittent, No Pulses
DTC P1321 GMC – Electronic Ignition System Fault Line
DTC P1322 GMC – EI System Or Ignition Control Missing
DTC P1323 GMC – 24X Reference Circuit Low Frequency
DTC P1324 GMC – Crank RPM Too Low
DTC P1335 GMC – CKP Circuit
DTC P1336 GMC – Crankshaft Position (CKP) System Variation Not Learned
DTC P1345 GMC – CKP/CMP Correlation
DTC P1346 GMC – Intake Camshaft Position (CMP) Sensor System Performance
DTC P1350 GMC – Ignition Control System
DTC P1351 GMC – IC Circuit High Voltage
DTC P1352 GMC – IC Output High/Pulse Detected When Grounded Cyl.2
DTC P1353 GMC – IC Output High/Pulse Detected When Grounded Cyl.3
DTC P1354 GMC – IC Output High/Pulse Detected When Grounded Cyl.4
DTC P1355 GMC – IC Output High/Pulse Detected When Grounded Cyl.5
DTC P1356 GMC – IC Output High/Pulse Detected When Grounded Cyl.6
DTC P1357 GMC – IC Output High/Pulse Detected When Grounded Cyl.7
DTC P1358 GMC – IC Output High/Pulse Detected When Grounded Cyl.8
DTC P1359 GMC – Ignition Control Circuit Group A
DTC P1360 GMC – Ignition Control Circuit Group B
DTC P1361 GMC – IC Circuit Low Voltage
DTC P1362 GMC – IC Cylinder 2 Not Toggling After Enable
DTC P1363 GMC – IC Cylinder 3 Not Toggling After Enable
DTC P1364 GMC – IC Cylinder 4 Not Toggling After Enable
DTC P1365 GMC – IC Cylinder 5 Not Toggling After Enable
DTC P1366 GMC – IC Cylinder 6 Not Toggling After Enable
DTC P1367 GMC – IC Cylinder 7 Not Toggling After Enable
DTC P1368 GMC – IC Cylinder 8 Not Toggling After Enable
DTC P1370 GMC – IC Module 4X Reference Circuit, Too Many Pulses
DTC P1371 GMC – DI Low Resolution Circuit
DTC P1372 GMC – Crankshaft Position Sensor Circuit Performance
DTC P1374 GMC – 3X Reference Circuit
DTC P1375 GMC – 24X Reference Circuit High Voltage
DTC P1376 GMC – Ignition Ground Circuit
DTC P1377 GMC – IC Module CAM Pulse To 4X Reference Pulse Comparison
DTC P1380 GMC – Misfire Detected – Rough Road Data Not Available
DTC P1381 GMC – Misfire Detected – No Communication with Brake Control Module
DTC P1390 GMC – Wheel Speed Sensor 1, G-Sensor Circuit
DTC P1391 GMC – Wheel Speed Sensor 1, G-Sensor Circuit Performance
DTC P1392 GMC – Wheel Speed Sensor 1, G-Sensor Circuit Low Voltage
DTC P1393 GMC – Wheel Speed Sensor 1, G-Sensor Circuit High Voltage
DTC P1394 GMC – Wheel Speed Sensor 1, G-Sensor Circuit Intermittent
DTC P1395 GMC – Wheel Speed Sensor 2, G-Sensor Circuit
DTC P1396 GMC – Wheel Speed Sensor 2, G-Sensor Circuit Performance
DTC P1397 GMC – Wheel Speed Sensor 2, G-Sensor Circuit Low Voltage
DTC P1398 GMC – Wheel Speed Sensor 2, G-Sensor Circuit High Voltage
DTC P1399 GMC – Wheel Speed Sensor 2, G-Sensor Circuit Intermittent
DTC P1403 GMC – Exhaust Gas Recirculation System Valve 1
DTC P1404 GMC – Exhaust Gas Recirculation System Valve 2
DTC P1405 GMC – Exhaust Gas Recirculation System Valve 3
DTC P1406 GMC – EGR Valve Pintle Position Circuit
DTC P1407 GMC – EGR Air Intrusion In Exhaust Supply To EGR Valve
DTC P1408 GMC – Intake Manifold Pressure Sensor Circuit
DTC P1409 GMC – EGR Vacuum System Leak
DTC P1410 GMC – Fuel Tank Pressure System
DTC P1415 GMC – Secondary Air Injection (AIR) System
DTC P1416 GMC – AIR System Bank 1
DTC P1418 GMC – Secondary Air Injection System Relay A Control Circuit High
DTC P1420 GMC – Intake Air Low Pressure Switch Circuit Low Voltage
DTC P1421 GMC – Intake Air Low Pressure Switch Circuit High Voltage
DTC P1423 GMC – Intake Air High Pressure Switch Circuit High Voltage
DTC P1431 GMC – Fuel Level Sensor 2 Performance
DTC P1432 GMC – Fuel Level Sensor 2 Circuit Low Voltage
DTC P1433 GMC – Fuel Level Sensor 2 Circuit High Voltage
DTC P1441 GMC – Evaporative Emission (EVAP) System Flow During Non-Purge
DTC P1442 GMC – EVAP Vacuum Switch High Voltage During Ignition On
DTC P1450 GMC – Barometric Pressure Sensor Circuit
DTC P1451 GMC – Barometric Pressure Sensor Performance
DTC P1460 GMC – Cooling Fan Control System
DTC P1480 GMC – Cooling Fan 1 Control Circuit High
DTC P1483 GMC – Engine Cooling System Performance
DTC P1500 GMC – Starter Signal Circuit
DTC P1501 GMC – Vehicle Speed Sensor Circuit Intermittent
DTC P1502 GMC – Theft Deterrent System – No Password Received
DTC P1503 GMC – Theft Deterrent System – Password Incorrect
DTC P1504 GMC – Vehicle Speed Output Circuit
DTC P1508 GMC – IAC System Low RPM
DTC P1509 GMC – IAC System High RPM
DTC P1510 GMC – Back UP Power Supply
DTC P1511 GMC – Throttle Control System-Backup System Performance
DTC P1514 GMC – Throttle Body Performance
DTC P1515 GMC – Control Module Throttle Actuator Position Performance
DTC P1516 GMC – Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance
DTC P1517 GMC – Throttle Actuator Control (TAC) Module Performance
DTC P1518 GMC – Throttle Actuator Control (TAC) Module Serial Data Circuit
DTC P1519 GMC – Electronic Throttle Module Low Volts Communication Disable
DTC P1520 GMC – Gear Indicator System
DTC P1521 GMC – Transmission Engaged At High Throttle Angle
DTC P1522 GMC – Park/Neutral To Drive/Reverse At High RPM
DTC P1523 GMC – Electronic Throttle Control Throttle Return
DTC P1524 GMC – TP Sensor Learned CI, Throttle Angle Out Of Range
DTC P1525 GMC – Throttle Body Service Required
DTC P1526 GMC – TP Sensor Learn Not Complete
DTC P1527 GMC – Transmission Range/Pressure Switch Comparison
DTC P1528 GMC – Governor
DTC P1529 GMC – Heated Windshield Request Problem
DTC P1530 GMC – Ignition Timing Adjustment Switch Circuit
DTC P1531 GMC – A/C Low Side Temperature Sensor Fault
DTC P1532 GMC – A/C Evaporator Temperature Sensor Circuit Low Voltage
DTC P1533 GMC – A/C Evaporator Temperature Sensor Circuit High Voltage
DTC P1534 GMC – A/C High Side Temperature Sensor Low Voltage
DTC P1535 GMC – A/C High Side Temperature Sensor Circuit
DTC P1536 GMC – A/C System – ECT Over temperature
DTC P1537 GMC – A/C Request Circuit Low Voltage
DTC P1538 GMC – A/C request Circuit High Voltage
DTC P1539 GMC – Air Conditioning (A/C) Clutch Feedback Circuit High Voltage
DTC P1540 GMC – A/C System High Pressure
DTC P1541 GMC – A/C High Side Over Temperature
DTC P1542 GMC – A/C System High Pressure High Temperature
DTC P1543 GMC – A/C System Performance
DTC P1544 GMC – A/C Refrigerant Condition Very Low
DTC P1545 GMC – A/C Clutch Relay Control Circuit
DTC P1546 GMC – Air Conditioning (A/C) Clutch Feedback Circuit Low Voltage
DTC P1547 GMC – A/C System Performance Degraded
DTC P1548 GMC – A/C Recirculation Circuit
DTC P1554 GMC – Cruise Engaged Circuit High Voltage
DTC P1555 GMC – Electronic Variable Orifice Output
DTC P1558 GMC – Cruise Control Servo Indicates Low
DTC P1559 GMC – Cruise Control Power Mangement Mode
DTC P1560 GMC – Cruise Control System-Transaxle Not In Drive
DTC P1561 GMC – Cruise Vent Solenoid
DTC P1562 GMC – Cruise Vacuum Solenoid
DTC P1563 GMC – Cruise Vehicle Speed/Set Speed Difference Too High
DTC P1564 GMC – Cruise Control System – Vehicle Accel Too High
DTC P1565 GMC – Cruise Servo Position Sensor
DTC P1566 GMC – Cruise Control System-Engine RPM Too High
DTC P1567 GMC – Cruise Control System-Active Braking Control Active
DTC P1568 GMC – Cruise Servo Stroke Greater Than Commanded In Cruise
DTC P1569 GMC – Cruise Servo Stroke High While Not In Cruise
DTC P1570 GMC – Cruise Control System-Traction Control Active
DTC P1571 GMC – TCS PWM Circuit No Frequency
DTC P1572 GMC – ASR Active Circuit Low Too Long
DTC P1573 GMC – PCM/EBTCM Serial Data Circuit
DTC P1574 GMC – Stop lamp Switch Circuit
DTC P1575 GMC – Extended Travel Brake Switch Circuit
DTC P1576 GMC – BBV Sensor Circuit High Voltage
DTC P1577 GMC – BBV Sensor Circuit Low Voltage
DTC P1578 GMC – BBV Sensor Circuit Low Vacuum
DTC P1579 GMC – P/N To D/R At High Throttle Angle
DTC P1580 GMC – Cruise Move Circuit Low Voltage
DTC P1581 GMC – Cruise Move Circuit High Voltage
DTC P1582 GMC – Cruise Direction Circuit Low Voltage
DTC P1583 GMC – Cruise Direction Circuit High Volume
DTC P1584 GMC – Cruise Control Disabled
DTC P1585 GMC – Cruise Inhibit Control Circuit
DTC P1586 GMC – Cruise Control Brake Switch 2 Circuit
DTC P1587 GMC – Cruise Control Clutch Control Circuit Low
DTC P1588 GMC – Cruise Control Clutch Control Circuit High
DTC P1599 GMC – Engine Stall Or Near Stall Detected
DTC P1600 GMC – PCM Battery
DTC P1601 GMC – Serial Communication Problem With Devise 1
DTC P1602 GMC – Loss Of EBTCM Serial Data
DTC P1603 GMC – Loss Of SDM Serial Data
DTC P1604 GMC – Loss Of IPC Serial Data
DTC P1605 GMC – Loss OF HVAX Serial Data
DTC P1606 GMC – Serial Communication Problem With Device 6
DTC P1607 GMC – Serial Communication Problem With Devise 7
DTC P1608 GMC – Serial Communication Problem With Device 8
DTC P1609 GMC – Loss Of TCS Serial Data
DTC P1610 GMC – Loss Of PZM Serial Data
DTC P1611 GMC – Loss Of CVRTD Serial Data
DTC P1612 GMC – Loss OF IPM Serial Data
DTC P1613 GMC – Loss Of DIM Serial Data
DTC P1614 GMC – Loss Of RIM Serial Data
DTC P1615 GMC – Loss Of VTD Serial Data
DTC P1617 GMC – Engine Oil Level Switch Circuit
DTC P1619 GMC – Engine Oil Life Monitor Reset Circuit
DTC P1620 GMC – Low Coolant Circuit
DTC P1621 GMC – PCM Memory Performance
DTC P1622 GMC – Cylinder Select
DTC P1623 GMC – Transmission Temp Pull-Up Resistor
DTC P1624 GMC – Customer Snapshot Data Available
DTC P1625 GMC – PCM System Reset
DTC P1626 GMC – Theft Deterrent Fuel Enable Signal Lost
DTC P1627 GMC – A/D Performance
DTC P1628 GMC – ECT Pull-Up Resistor
DTC P1629 GMC – Theft Deterrent System-Cranking Signal
DTC P1630 GMC – Theft Deterrent Learn Mode Active
DTC P1631 GMC – Theft Deterrent Start Enable Signal Not Correct
DTC P1632 GMC – Theft Deterrent System-Fuel Disabled
DTC P1633 GMC – Ignition Supply Power Circuit Low Voltage
DTC P1634 GMC – Ignition 1 Power Circuit Low Voltage
DTC P1635 GMC – 5 Volt Reference 1 Circuit
DTC P1636 GMC – PCM Stack Overrun
DTC P1637 GMC – Generator L-Terminal Circuit
DTC P1638 GMC – Generator F-Terminal Circuit
DTC P1639 GMC – 5 Volt Reference 2 Circuit
DTC P1640 GMC – Driver 1-Input High Voltage
DTC P1641 GMC – FC Relay 1 Control Circuit
DTC P1642 GMC – FC Relay 2 And 3 Control Circuit
DTC P1643 GMC – Engine Speed Output Circuit
DTC P1644 GMC – TP Output Circuit
DTC P1645 GMC – EVAP Solenoid Output Circuit
DTC P1646 GMC – Driver 1 Line 6
DTC P1647 GMC – Driver 1 Line 7
DTC P1650 GMC – Driver 2-Input High Voltage
DTC P1651 GMC – Fan 1 Relay Control Circuit
DTC P1652 GMC – Powertrain Induced Chassis Pitch Output Circuit
DTC P1653 GMC – Oil Level Lamp Control Circuit
DTC P1654 GMC – Service Throttle Soon Lamp Control Circuit
DTC P1655 GMC – EVAP Purge Solenoid Control Circuit
DTC P1656 GMC – Driver 2 Line 6
DTC P1657 GMC – 1-4 Upshift Solenoid Control Circuit
DTC P1658 GMC – Starter Enable Relay Control Circuit
DTC P1660 GMC – Cooling Fans Control Circuit
DTC P1661 GMC – MIL Control Circuit
DTC P1662 GMC – Cruise Control Inhibit Control Circuit
DTC P1663 GMC – Oil Life Lamp Control Circuit
DTC P1664 GMC – 1-4 Upshift Lamp Control Circuit
DTC P1665 GMC – Driver 3 Line 5
DTC P1666 GMC – Driver 3 Line 6
DTC P1667 GMC – Reverse Inhibit Solenoid Control Circuit
DTC P1669 GMC – ABS Unit Expected
DTC P1670 GMC – Driver 4
DTC P1671 GMC – Driver 4 Line 1
DTC P1672 GMC – Low Engine Oil Level Lamp Control Circuit
DTC P1673 GMC – Engine Hot Lamp Control Circuit
DTC P1674 GMC – Tachometer Control Circuit
DTC P1675 GMC – EVAP Vent Solenoid Control Circuit
DTC P1676 GMC – Driver 4 Line 6
DTC P1677 GMC – Driver 4 Line 7
DTC P1680 GMC – Driver 5
DTC P1681 GMC – Driver 5 Line 1
DTC P1682 GMC – Driver 5 Line 2
DTC P1683 GMC – Driver 5 Line 3
DTC P1684 GMC – Driver 5 Line 4
DTC P1685 GMC – Driver 5 Line 5
DTC P1686 GMC – Driver 5 Line 6
DTC P1687 GMC – Driver 5 Line 7
DTC P1689 GMC – Delivered Torque Circuit Fault
DTC P1690 GMC – ECM Loop Overrun
DTC P1691 GMC – Coolant Gage Circuit Low Voltage
DTC P1692 GMC – Coolant Gage Circuit High Voltage
DTC P1693 GMC – Tachometer Circuit Low Voltage
DTC P1694 GMC – Tachometer Circuit High Voltage
DTC P1695 GMC – Remote Keyless Entry Circuit Low
DTC P1696 GMC – Remote Keyless Entry Voltage High
DTC P1700 GMC – Transmission MIL Request
DTC P1701 GMC – Transmission MIL Request Circuit
DTC P1705 GMC – P/N Signal Output Circuit
DTC P1740 GMC – Transmission Torque Reduction Request Circuit
DTC P1743 GMC – TP Signal From ECM
DTC P1760 GMC – ECM Supply Voltage Interrupted
DTC P1779 GMC – Engine Torque Delivered To TCM Signal
DTC P1780 GMC – Park/Neutral Position (PNP) Switch Circuit Engine Torque Signal Circuit
DTC P1790 GMC – Transmission Control Module Checksum
DTC P1791 GMC – Transmission Control Module Loop
DTC P1792 GMC – Transmission Control Module Reprogrammable Memory
DTC P1793 GMC – Transmission control Module Stack Overrun
DTC P1795 GMC – CAN Bus-Throttle Body Position
DTC P1800 GMC – TCM Power Control Relay Circuit Open
DTC P1801 GMC – Performance Selector Switch Failure
DTC P1804 GMC – Ground Control Relay
DTC P1810 GMC – TFP Valve Position Switch Circuit
DTC P1811 GMC – Maximum Adapt And Long Shift
DTC P1812 GMC – Transmission Over Temperature Condition
DTC P1813 GMC – Torque Control
DTC P1814 GMC – Torque Converter Overstressed
DTC P1815 GMC – Transmission Range Switch-Start In Wrong Range
DTC P1816 GMC – TFP Valve Position Switch-Park/Neutral With Drive Ratio
DTC P1817 GMC – TFP Valve Position Switch-Reverse With Drive Ratio
DTC P1818 GMC – TFP Valve Position Switch-Drive Without Drive Ratio
DTC P1819 GMC – Internal Mode Switch No Start, Wrong Range
DTC P1820 GMC – Internal Mode Switch Circuit A Low
DTC P1822 GMC – Internal Mode Switch Circuit B High
DTC P1823 GMC – Internal Mode Switch Circuit P Low
DTC P1825 GMC – Internal Mode Switch Illegal Range
DTC P1826 GMC – Internal Mode Switch Circuit C High
DTC P1831 GMC – PC Solenoid Power Circuit Low Voltage
DTC P1833 GMC – A/T Solenoids Power Circuit Low Voltage
DTC P1835 GMC – Kick-Down Switch
DTC P1836 GMC – Kick-Down Switch Failed Open
DTC P1837 GMC – Kick-Down Switch Failed Short
DTC P1842 GMC – 1-2 Shift Solenoid Circuit Low Voltage
DTC P1843 GMC – 1-2 Shift Solenoid Circuit High Voltage
DTC P1844 GMC – Torque Reduction Signal Circuit Desired By TCM
DTC P1845 GMC – Transmission Gear Ratio Output Circuit
DTC P1847 GMC – 2-3 Shift Solenoid Circuit High Voltage
DTC P1850 GMC – Brake Band Apply Solenoid Circuit
DTC P1851 GMC – Brake Band Apply Solenoid Performance
DTC P1852 GMC – Brake Band Apply Solenoid Low Voltage
DTC P1853 GMC – Brake Band Apply Solenoid High Voltage
DTC P1860 GMC – TCC PWM Solenoid Circuit Electrical
DTC P1864 GMC – Torque Converter Clutch Circuit
DTC P1868 GMC – Transmission Fluid Life
DTC P1870 GMC – Transmission Component Slipping
DTC P1871 GMC – Undefined Gear Ratio
DTC P1873 GMC – TCC Stator Temperature. Switch Circuit Low
DTC P1874 GMC – TCC Stator Temperature. Switch Circuit High
DTC P1875 GMC – 4WD Low Switch Circuit
DTC P1884 GMC – TCC Enable/Shift Light Circuit
DTC P1886 GMC – Shift Timing Solenoid
DTC P1887 GMC – TCC Release Switch Circuit
DTC P1890 GMC – ECM Data Input Circuit
DTC P1891 GMC – Throttle Position Sensor PWM Signal Low
DTC P1892 GMC – Throttle Position Sensor PWM Signal High
DTC P1893 GMC – Engine Torque Signal Low Voltage
DTC P1894 GMC – Engine Torque Signal High Voltage
DTC P1895 GMC – TCM To ECM Torque Reduction Circuit
DTC P2000 GMC – NOx Trap Efficiency Below Threshold Bank1
DTC P2001 GMC – NOx Trap Efficiency Below Threshold Bank2
DTC P2002 GMC – Particulate Trap Efficiency Below Threshold Bank1
DTC P2003 GMC – Particulate Trap Efficiency Below Threshold Bank2
DTC P2004 GMC – Intake Manifold Runner Control Stuck Open Bank1
DTC P2005 GMC – Intake Manifold Runner Control Stuck Open Bank2
DTC P2006 GMC – Intake Manifold Runner Control Stuck Closed Bank1
DTC P2007 GMC – Intake Manifold Runner Control Stuck Closed Bank2
DTC P2008 GMC – Intake Manifold Runner Control Circuit/Open Bank1
DTC P2009 GMC – Intake Manifold Runner Control Circuit Low Bank1
DTC P2010 GMC – Intake Manifold Runner Control Circuit High Bank1
DTC P2011 GMC – Intake Manifold Runner Control Circuit/Open Bank2
DTC P2012 GMC – Intake Manifold Runner Control Circuit Low Bank2
DTC P2013 GMC – Intake Manifold Runner Control Circuit High Bank2
DTC P2014 GMC – Intake Manifold Runner Position Sensor/Switch Circuit Bank1
DTC P2015 GMC – Intake Manifold Runner Position Sensor/Switch Circuit Range/Performance Bank1
DTC P2016 GMC – Intake Manifold Runner Position Sensor/Switch Circuit Low Bank1
DTC P2017 GMC – Intake Manifold Runner Position Sensor/Switch Circuit High Bank1
DTC P2018 GMC – Intake Manifold Runner Position Sensor/Switch Circuit Intermittent Bank1
DTC P2019 GMC – Intake Manifold Runner Position Sensor/Switch Circuit Bank2
DTC P2020 GMC – Intake Manifold Runner Position Sensor/Switch Circuit Range/Performance Bank2
DTC P2021 GMC – Intake Manifold Runner Position Sensor/Switch Circuit Low Bank2
DTC P2022 GMC – Intake Manifold Runner Position Sensor/Switch Circuit High Bank2
DTC P2023 GMC – Intake Manifold Runner Position Sensor/Switch Circuit Intermittent Bank2
DTC P2024 GMC – EVAP Fuel Vapor Temperature Sensor Circuit
DTC P2025 GMC – EVAP Fuel Vapor Temperature Sensor Performance
DTC P2026 GMC – EVAP Fuel Vapor Temperature Sensor Circuit Low Voltage
DTC P2027 GMC – EVAP Fuel Vapor Temperature Sensor Circuit High Voltage
DTC P2028 GMC – EVAP Fuel Vapor Temperature Sensor Circuit Intermittent
DTC P2029 GMC – Fuel Fired Heater Disabled
DTC P2030 GMC – Fuel Fired Heater Performance
DTC P2031 GMC – Exhaust Gas Temperature Sensor Circuit Bank1 Sensor 2
DTC P2032 GMC – Exhaust Gas Temperature Sensor Circuit Low Bank1 Sensor 2
DTC P2033 GMC – Exhaust Gas Temperature Sensor Circuit High Bank1 Sensor 2
DTC P2034 GMC – Exhaust Gas Temperature Sensor Circuit Bank2 Sensor 2
DTC P2035 GMC – Exhaust Gas Temperature Sensor Circuit Low Bank2 Sensor 2
DTC P2036 GMC – Exhaust Gas Temperature Sensor Circuit High Bank2 Sensor 2
DTC P2037 GMC – Reductant Injector Air Pressure Sensor Circuit
DTC P2038 GMC – Reductant Injector Air Pressure Sensor Circuit Range/Performance
DTC P2039 GMC – Reductant Injector Air Pressure Sensor Circuit Low Input
DTC P2040 GMC – Reductant Injector Air Pressure Sensor Circuit High Input
DTC P2041 GMC – Reductant Injector Air Pressure Sensor Circuit Intermittent
DTC P2042 GMC – Reductant Temperature Sensor Circuit
DTC P2043 GMC – Reductant Temperature Sensor Circuit Range/Performance
DTC P2044 GMC – Reductant Temperature Sensor Circuit Low Input
DTC P2045 GMC – Reductant Temperature Sensor Circuit High Input
DTC P2046 GMC – Reductant Temperature Sensor Circuit Intermittent
DTC P2047 GMC – Reductant Injector Circuit/Open Bank1 Unit 1
DTC P2048 GMC – Reductant Injector Circuit Low Bank1 Unit 1
DTC P2049 GMC – Reductant Injector Circuit High Bank1 Unit 1
DTC P2050 GMC – Reductant Injector Circuit/Open Bank2 Unit 1
DTC P2051 GMC – Reductant Injector Circuit Low Bank2 Unit 1
DTC P2052 GMC – Reductant Injector Circuit High Bank2 Unit 1
DTC P2053 GMC – Reductant Injector Circuit/Open Bank1 Unit 2
DTC P2054 GMC – Reductant Injector Circuit Low Bank1 Unit 2
DTC P2055 GMC – Reductant Injector Circuit High Bank1 Unit 2
DTC P2056 GMC – Reductant Injector Circuit/Open Bank2 Unit 2
DTC P2057 GMC – Reductant Injector Circuit Low Bank2 Unit 2
DTC P2058 GMC – Reductant Injector Circuit High Bank2 Unit 2
DTC P2059 GMC – Reductant Injector Air Pump Control Circuit/Open
DTC P2060 GMC – Reductant Injector Air Pump Control Circuit Low
DTC P2061 GMC – Reductant Injector Air Pump Control Circuit High
DTC P2062 GMC – Reductant Supply Control Circuit/Open
DTC P2063 GMC – Reductant Supply Control Circuit Low
DTC P2064 GMC – Reductant Supply Control Circuit High
DTC P2065 GMC – Fuel Level Sensor B Circuit
DTC P2066 GMC – Fuel Level Sensor B Performance
DTC P2067 GMC – Fuel Level Sensor B Circuit Low
DTC P2068 GMC – Fuel Level Sensor B Circuit High
DTC P2069 GMC – Fuel Level Sensor B Circuit Intermittent
DTC P2070 GMC – Intake Manifold Tuning Valve Stuck Open
DTC P2071 GMC – Intake Manifold Tuning Valve Stuck Closed
DTC P2075 GMC – Intake Manifold Tuning Valve Position Sensor/Switch Circuit
DTC P2076 GMC – Intake Manifold Tuning Valve Position Sensor/Switch Circuit Range/Performance
DTC P2077 GMC – Intake Manifold Tuning Valve Position Sensor/Switch Circuit Low
DTC P2078 GMC – Intake Manifold Tuning Valve Position Sensor/Switch Circuit High
DTC P2079 GMC – Intake Manifold Tuning Valve Position Sensor/Switch Circuit Intermittent
DTC P2080 GMC – Exhaust Gas Temperature Sensor Circuit Range/Performance Bank1 Sensor 1
DTC P2081 GMC – Exhaust Gas Temperature Sensor Circuit Intermittent Bank1 Sensor 1
DTC P2082 GMC – Exhaust Gas Temperature Sensor Circuit Range/Performance Bank2 Sensor 1
DTC P2083 GMC – Exhaust Gas Temperature Sensor Circuit Intermittent Bank2 Sensor 1
DTC P2084 GMC – Exhaust Gas Temperature Sensor Circuit Range/Performance Bank1 Sensor 2
DTC P2085 GMC – Exhaust Gas Temperature Sensor Circuit Intermittent Bank1 Sensor 2
DTC P2086 GMC – Exhaust Gas Temperature Sensor Circuit Range/Performance Bank2 Sensor 2
DTC P2087 GMC – Exhaust Gas Temperature Sensor Circuit Intermittent Bank2 Sensor 2
DTC P2088 GMC – A Camshaft Position Actuator Control Circuit Low Bank1
DTC P2089 GMC – A Camshaft Position Actuator Control Circuit High Bank1
DTC P2090 GMC – B Camshaft Position Actuator Control Circuit Low Bank1
DTC P2091 GMC – B Camshaft Position Actuator Control Circuit High Bank1
DTC P2092 GMC – A Camshaft Position Actuator Control Circuit Low Bank2
DTC P2093 GMC – A Camshaft Position Actuator Control Circuit High Bank2
DTC P2094 GMC – B Camshaft Position Actuator Control Circuit Low Bank2
DTC P2095 GMC – B Camshaft Position Actuator Control Circuit High Bank2
DTC P2096 GMC – Post Catalyst Fuel Trim System Too Lean Bank1
DTC P2097 GMC – Post Catalyst Fuel Trim System Too Rich Bank1
DTC P2098 GMC – Post Catalyst Fuel Trim System Too Lean Bank2
DTC P2099 GMC – Post Catalyst Fuel Trim System Too Rich Bank2
DTC P2100 GMC – Throttle Actuator Control Motor Circuit/Open
DTC P2101 GMC – Throttle Actuator Control Motor Circuit Range/Performance
DTC P2102 GMC – Throttle Actuator Control Motor Circuit Low
DTC P2103 GMC – Throttle Actuator Control Motor Circuit High
DTC P2104 GMC – Throttle Actuator Control System-Forced Idle
DTC P2105 GMC – Throttle Actuator Control System-Forced Engine Shutdown
DTC P2106 GMC – Throttle Actuator Control System-Forced Limited Power
DTC P2107 GMC – Throttle Actuator Control Mod Processor
DTC P2108 GMC – Throttle Actuator Control Mod Performance
DTC P2109 GMC – Throttle/Pedal Position Sensor A Minimum Stop Performance
DTC P2110 GMC – Throttle Actuator Control System-Forced Limited RPM
DTC P2111 GMC – Throttle Actuator Control System-Stuck Open
DTC P2112 GMC – Throttle Actuator Control System-Stuck Closed
DTC P2113 GMC – Throttle/Pedal Position Sensor B Minimum Stop Performance
DTC P2114 GMC – Throttle/Pedal Position Sensor C Minimum Stop Performance
DTC P2115 GMC – Throttle/Pedal Position Sensor D Minimum Stop Performance
DTC P2116 GMC – Throttle/Pedal Position Sensor E Minimum Stop Performance
DTC P2117 GMC – Throttle/Pedal Position Sensor F Minimum Stop Performance
DTC P2118 GMC – Throttle Actuator Control Motor Current Range/Performance
DTC P2119 GMC – Throttle Actuator Control Throttle Body Range/Performance
DTC P2120 GMC – Throttle/Pedal Position Sensor/Switch D Circuit
DTC P2121 GMC – Throttle/Pedal Position Sensor/Switch D Circuit Range/Performance
DTC P2122 GMC – Throttle/Pedal Position Sensor/Switch D Circuit Low Input
DTC P2123 GMC – Throttle/Pedal Position Sensor/Switch D Circuit High Input
DTC P2124 GMC – Throttle/Pedal Position Sensor/Switch D Circuit Intermittent
DTC P2125 GMC – Throttle/Pedal Position Sensor/Switch E Circuit
DTC P2126 GMC – Throttle/Pedal Position Sensor/Switch E Circuit Range/Performance
DTC P2127 GMC – Throttle/Pedal Position Sensor/Switch E Circuit Low Input
DTC P2128 GMC – Throttle/Pedal Position Sensor/Switch E Circuit High Input
DTC P2129 GMC – Throttle/Pedal Position Sensor/Switch E Circuit Intermittent
DTC P2130 GMC – Throttle/Pedal Position Sensor/Switch F Circuit
DTC P2131 GMC – Throttle/Pedal Position Sensor/Switch F Circuit Range Performance
DTC P2132 GMC – Throttle/Pedal Position Sensor/Switch F Circuit Low Input
DTC P2133 GMC – Throttle/Pedal Position Sensor/Switch F Circuit High Input
DTC P2134 GMC – Throttle/Pedal Position Sensor/Switch F Circuit Intermittent
DTC P2135 GMC – Throttle/Pedal Position Sensor/Switch A / B Voltage Correlation
DTC P2136 GMC – Throttle/Pedal Position Sensor/Switch A / C Voltage Correlation
DTC P2137 GMC – Throttle/Pedal Position Sensor/Switch B / C Voltage Correlation
DTC P2138 GMC – Throttle/Pedal Position Sensor/Switch D / E Voltage Correlation
DTC P2139 GMC – Throttle/Pedal Position Sensor/Switch D / F Voltage Correlation
DTC P2140 GMC – Throttle/Pedal Position Sensor/Switch E / F Voltage Correlation
DTC P2141 GMC – Exhaust Gas recirculation Throttle Control Circuit Low
DTC P2142 GMC – Exhaust Gas recirculation Throttle Control Circuit High
DTC P2143 GMC – Exhaust Gas recirculation Vent Control Circuit/Open
DTC P2144 GMC – Exhaust Gas recirculation Vent Control Circuit Low
DTC P2145 GMC – Exhaust Gas recirculation Vent Control Circuit High
DTC P2146 GMC – Fuel Injector Group A Supply Voltage Circuit/Open
DTC P2147 GMC – Fuel Injector Group A Supply Voltage Circuit Low
DTC P2148 GMC – Fuel Injector Group A Supply Voltage Circuit High
DTC P2149 GMC – Fuel Injector Group B Supply Voltage Circuit/Open
DTC P2150 GMC – Fuel Injector Group B Supply Voltage Circuit Low
DTC P2151 GMC – Fuel Injector Group B Supply Voltage Circuit High
DTC P2152 GMC – Fuel Injector Group C Supply Voltage Circuit/Open
DTC P2153 GMC – Fuel Injector Group C Supply Voltage Circuit Low
DTC P2154 GMC – Fuel Injector Group C Supply Voltage Circuit High
DTC P2155 GMC – Fuel Injector Group D Supply Voltage Circuit/Open
DTC P2156 GMC – Fuel Injector Group D Supply Voltage Circuit Low
DTC P2157 GMC – Fuel Injector Group D Supply Voltage Circuit High
DTC P2158 GMC – Vehicle Speed Sensor B
DTC P2159 GMC – Vehicle Speed Sensor B Range/Performance
DTC P2160 GMC – Vehicle Speed Sensor B Circuit Low
DTC P2161 GMC – Vehicle Speed Sensor B Intermittent/Erratic
DTC P2162 GMC – Vehicle Speed Sensor A / B Correlation
DTC P2163 GMC – Throttle/Pedal Position Sensor A Maximum Stop Performance
DTC P2164 GMC – Throttle/Pedal Position Sensor B Maximum Stop Performance
DTC P2165 GMC – Throttle/Pedal Position Sensor C Maximum Stop Performance
DTC P2166 GMC – Throttle/Pedal Position Sensor D Maximum Stop Performance
DTC P2167 GMC – Throttle/Pedal Position Sensor E Maximum Stop Performance
DTC P2168 GMC – Throttle/Pedal Position Sensor F Maximum Stop Performance
DTC P2169 GMC – Exhaust Pressure Regulator Vent Solenoid Control Circuit/Open
DTC P2170 GMC – Exhaust Pressure Regulator Vent Solenoid Control Circuit Low
DTC P2171 GMC – Exhaust Pressure Regulator Vent Solenoid Control Circuit High
DTC P2172 GMC – Throttle Actuator Control System-Sudden High Airflow Detected
DTC P2173 GMC – Throttle Actuator Control System-High Airflow Detected
DTC P2174 GMC – Throttle Actuator Control System-Sudden Low Airflow Detected
DTC P2175 GMC – Throttle Actuator Control System-Low Airflow Detected
DTC P2176 GMC – Throttle Actuator Control System-Idle Position Not Learned
DTC P2177 GMC – System Too Lean Off Idle Bank1
DTC P2178 GMC – System Too Rich Off Idle Bank1
DTC P2179 GMC – System Too Lean Off Idle Bank2
DTC P2180 GMC – System Too Rich Off Idle Bank2
DTC P2181 GMC – Cooling System Performance
DTC P2182 GMC – Engine Coolant Temperature Sensor 2 Circuit
DTC P2183 GMC – Engine Coolant Temperature Sensor 2 Circuit Range/Performance
DTC P2184 GMC – Engine Coolant Temperature Sensor 2 Circuit Low
DTC P2185 GMC – Engine Coolant Temperature Sensor 2 Circuit High
DTC P2186 GMC – Engine Coolant Temperature Sensor 2 Circuit Intermittent/Erratic
DTC P2187 GMC – System Too Lean at Idle Bank1
DTC P2188 GMC – System Too Rich at Idle Bank1
DTC P2189 GMC – System Too Lean at Idle Bank2
DTC P2190 GMC – System Too Rich at Idle Bank2
DTC P2191 GMC – System Too Lean at Higher Load Bank1
DTC P2192 GMC – System Too Rich at Higher Load Bank1
DTC P2193 GMC – System Too Lean at Higher Load Bank2
DTC P2194 GMC – System Too Rich at Higher Load Bank2
DTC P2195 GMC – O2 Sensor Signal Stuck Lean Bank1 Sensor 1
DTC P2196 GMC – O2 Sensor Signal Stuck Rich Bank1 Sensor 1
DTC P2197 GMC – O2 Sensor Signal Stuck Lean Bank2 Sensor 1
DTC P2198 GMC – O2 Sensor Signal Stuck Rich Bank2 Sensor 1
DTC P2199 GMC – Intake Air Temperature Sensor 1 / 2 Correlation
DTC P2200 GMC – NOx Sensor Circuit Bank1
DTC P2201 GMC – NOx Sensor Circuit Range/Performance Bank1
DTC P2202 GMC – NOx Sensor Circuit Low Input Bank1
DTC P2203 GMC – NOx Sensor Circuit High Input Bank1
DTC P2204 GMC – NOx Sensor Circuit Intermittent Input Bank1
DTC P2205 GMC – NOx Sensor Heater Control Circuit/Open Bank1
DTC P2206 GMC – NOx Sensor Heater Control Circuit Low Bank1
DTC P2207 GMC – NOx Sensor Heater Control Circuit High Bank1
DTC P2208 GMC – NOx Sensor Heater Sense Circuit Bank1
DTC P2209 GMC – NOx Sensor Heater Sense Circuit Range/Performance Bank1
DTC P2210 GMC – NOx Sensor Heater Sense Circuit Low Input Bank1
DTC P2211 GMC – NOx Sensor Heater Sense Circuit High Input Bank1
DTC P2212 GMC – NOx Sensor Heater Sense Circuit Intermittent Bank1
DTC P2213 GMC – NOx Sensor Circuit Bank2
DTC P2214 GMC – NOx Sensor Circuit Range/Performance Bank2
DTC P2215 GMC – NOx Sensor Circuit Low Input Bank2
DTC P2216 GMC – NOx Sensor Circuit High Input Bank2
DTC P2217 GMC – NOx Sensor Circuit Intermittent Input Bank2
DTC P2218 GMC – NOx Sensor Heater Control Circuit/Open Bank2
DTC P2219 GMC – NOx Sensor Heater Control Circuit Low Bank2
DTC P2220 GMC – NOx Sensor Heater Control Circuit High Bank2
DTC P2221 GMC – NOx Sensor Heater Sense Circuit Bank2
DTC P2222 GMC – NOx Sensor Heater Sense Circuit Range/Performance Bank2
DTC P2223 GMC – NOx Sensor Heater Sense Circuit Low Bank2
DTC P2224 GMC – NOx Sensor Heater Sense Circuit High Bank2
DTC P2225 GMC – NOx Sensor Heater Sense Circuit Intermittent Bank2
DTC P2226 GMC – Barometric Pressure Circuit
DTC P2227 GMC – Barometric Pressure Circuit Range/Performance
DTC P2228 GMC – Barometric Pressure Circuit Low
DTC P2229 GMC – Barometric Pressure Circuit High
DTC P2230 GMC – Barometric Pressure Circuit Intermittent
DTC P2231 GMC – O2 Sensor Signal Circuit Shorted to Heater Circuit Bank1 Sensor 1
DTC P2232 GMC – O2 Sensor Signal Circuit Shorted to Heater Circuit Bank1 Sensor 2
DTC P2233 GMC – O2 Sensor Signal Circuit Shorted to Heater Circuit Bank1 Sensor 3
DTC P2234 GMC – O2 Sensor Signal Circuit Shorted to Heater Circuit Bank2 Sensor 1
DTC P2235 GMC – O2 Sensor Signal Circuit Shorted to Heater Circuit Bank2 Sensor 2
DTC P2236 GMC – O2 Sensor Signal Circuit Shorted to Heater Circuit Bank2 Sensor 3
DTC P2237 GMC – O2 Sensor Positive Current Control Circuit/Open Bank1 Sensor 1
DTC P2238 GMC – O2 Sensor Positive Current Control Circuit Low Bank1 Sensor 1
DTC P2239 GMC – O2 Sensor Positive Current Control Circuit High Bank1 Sensor 1
DTC P2240 GMC – O2 Sensor Positive Current Control Circuit/Open Bank2 Sensor 1
DTC P2241 GMC – O2 Sensor Positive Current Control Circuit Low Bank2 Sensor 1
DTC P2242 GMC – O2 Sensor Positive Current Control Circuit High Bank2 Sensor 1
DTC P2243 GMC – O2 Sensor Reference Voltage Circuit/Open Bank1 Sensor 1
DTC P2244 GMC – O2 Sensor Reference Voltage Performance Bank1 Sensor 1
DTC P2245 GMC – O2 Sensor Reference Voltage Circuit Low Bank1 Sensor 1
DTC P2246 GMC – O2 Sensor Reference Voltage Circuit High Bank1 Sensor 1
DTC P2247 GMC – O2 Sensor Reference Voltage Circuit/Open Bank2 Sensor 1
DTC P2248 GMC – O2 Sensor Reference Voltage Performance Bank2 Sensor 1
DTC P2249 GMC – O2 Sensor Reference Voltage Circuit Low Bank2 Sensor 1
DTC P2250 GMC – O2 Sensor Reference Voltage Circuit High Bank2 Sensor 1
DTC P2251 GMC – O2 Sensor Negative Current Control Circuit/Open Bank1 Sensor 1
DTC P2252 GMC – O2 Sensor Negative Current Control Circuit Low Bank1 Sensor 1
DTC P2253 GMC – O2 Sensor Negative Current Control Circuit High Bank1 Sensor 1
DTC P2254 GMC – O2 Sensor Negative Current Control Circuit/Open Bank2 Sensor 1
DTC P2255 GMC – O2 Sensor Negative Current Control Circuit Low Bank2 Sensor 1
DTC P2256 GMC – O2 Sensor Negative Current Control Circuit High Bank2 Sensor 1
DTC P2257 GMC – Secondary Air Injection System Control A Circuit Low
DTC P2258 GMC – Secondary Air Injection System Control A Circuit High
DTC P2259 GMC – Secondary Air Injection System Control B Circuit Low
DTC P2260 GMC – Secondary Air Injection System Control B Circuit High
DTC P2261 GMC – T/S Charger Bypass Valve-Mechanical
DTC P2262 GMC – Turbo Boost Pressure Not Detected-Mechanical
DTC P2263 GMC – T/S Charger Boost System Performance
DTC P2264 GMC – Water in Fuel Sensor Circuit
DTC P2265 GMC – Water in Fuel Sensor Circuit Range/Performance
DTC P2266 GMC – Water in Fuel Sensor Circuit Low
DTC P2267 GMC – Water in Fuel Sensor Circuit High
DTC P2268 GMC – Water in Fuel Sensor Circuit Intermittent
DTC P2269 GMC – Water in Fuel Condition
DTC P2270 GMC – O2 Sensor Signal Stuck Lean Bank1 Sensor 2
DTC P2271 GMC – O2 Sensor Signal Stuck Rich Bank1 Sensor 2
DTC P2272 GMC – O2 Sensor Signal Stuck Lean Bank2 Sensor 2
DTC P2273 GMC – O2 Sensor Signal Stuck Rich Bank2 Sensor 2
DTC P2274 GMC – O2 Sensor Signal Stuck Lean Bank1 Sensor 3
DTC P2275 GMC – O2 Sensor Signal Stuck Rich Bank1 Sensor 3
DTC P2276 GMC – O2 Sensor Signal Stuck Lean Bank2 Sensor 3
DTC P2277 GMC – O2 Sensor Signal Stuck Rich Bank2 Sensor 3
DTC P2278 GMC – O2 Sensor Signals Swapped Bank1 Sensor 3 /Bank2 Sensor 3
DTC P2279 GMC – Intake Air System Leak
DTC P2280 GMC – Air Flow Restriction / Air Leak Between Air Filter and MAF
DTC P2281 GMC – Air Leak Between MAF and Throttle Body
DTC P2282 GMC – Air Leak Between Throttle Body and Intake Valves
DTC P2283 GMC – Injector Control Pressure Sensor Circuit
DTC P2284 GMC – Injector Control Pressure Sensor Circuit Range/Performance
DTC P2285 GMC – Injector Control Pressure Sensor Circuit Low
DTC P2286 GMC – Injector Control Pressure Sensor Circuit High
DTC P2287 GMC – Injector Control Pressure Sensor Circuit Intermittent
DTC P2288 GMC – Injector Control Pressure Too High
DTC P2289 GMC – Injector Control Pressure Too High-Engine Off
DTC P2290 GMC – Injector Control Pressure Too Low
DTC P2291 GMC – Injector Control Pressure Too Low-Engine Cranking
DTC P2292 GMC – Injector Control Pressure Erratic
DTC P2293 GMC – Fuel Pressure Regulator 2 Performance
DTC P2294 GMC – Fuel Pressure Regulator 2 Control Circuit
DTC P2295 GMC – Fuel Pressure Regulator 2 Control Circuit Low
DTC P2296 GMC – Fuel Pressure Regulator 2 Control Circuit High
DTC P2297 GMC – O2 Sensor Out of Range During Deceleration Bank1 Sensor 1
DTC P2298 GMC – O2 Sensor Out of Range During Deceleration Bank2 Sensor 1
DTC P2299 GMC – Brake Pedal Position / Accelerator Pedal Position Incompatible
DTC P2300 GMC – Ignition Coil A Primary Control Circuit Low
DTC P2301 GMC – Ignition Coil A Primary Control Circuit High
DTC P2302 GMC – Ignition Coil A secondary Circuit
DTC P2303 GMC – Ignition Coil B Primary Control Circuit Low
DTC P2304 GMC – Ignition Coil B Primary Control Circuit High
DTC P2305 GMC – Ignition Coil B secondary Circuit
DTC P2306 GMC – Ignition Coil C Primary Control Circuit Low
DTC P2307 GMC – Ignition Coil C Primary Control Circuit High
DTC P2308 GMC – Ignition Coil C secondary Circuit
DTC P2309 GMC – Ignition Coil D Primary Control Circuit Low
DTC P2310 GMC – Ignition Coil D Primary Control Circuit High
DTC P2311 GMC – Ignition Coil D secondary Circuit
DTC P2312 GMC – Ignition Coil E Primary Control Circuit Low
DTC P2313 GMC – Ignition Coil E Primary Control Circuit High
DTC P2314 GMC – Ignition Coil E secondary Circuit
DTC P2315 GMC – Ignition Coil F Primary Control Circuit Low
DTC P2316 GMC – Ignition Coil F Primary Control Circuit High
DTC P2317 GMC – Ignition Coil F secondary Circuit
DTC P2318 GMC – Ignition Coil G Primary Control Circuit Low
DTC P2319 GMC – Ignition Coil G Primary Control Circuit High
DTC P2320 GMC – Ignition Coil G secondary Circuit
DTC P2321 GMC – Ignition Coil H Primary Control Circuit Low
DTC P2322 GMC – Ignition Coil H Primary Control Circuit High
DTC P2323 GMC – Ignition Coil H secondary Circuit
DTC P2324 GMC – Ignition Coil I Primary Control Circuit Low
DTC P2325 GMC – Ignition Coil I Primary Control Circuit High
DTC P2326 GMC – Ignition Coil I secondary Circuit
DTC P2327 GMC – Ignition Coil J Primary Control Circuit Low
DTC P2328 GMC – Ignition Coil J Primary Control Circuit High
DTC P2329 GMC – Ignition Coil J secondary Circuit
DTC P2330 GMC – Ignition Coil K Primary Control Circuit Low
DTC P2331 GMC – Ignition Coil K Primary Control Circuit High
DTC P2332 GMC – Ignition Coil K secondary Circuit
DTC P2333 GMC – Ignition Coil L Primary Control Circuit Low
DTC P2334 GMC – Ignition Coil L Primary Control Circuit High
DTC P2335 GMC – Ignition Coil L secondary Circuit
DTC P2336 GMC – Cylinder #1 Above Knock Threshold
DTC P2337 GMC – Cylinder #2 Above Knock Threshold
DTC P2338 GMC – Cylinder #3 Above Knock Threshold
DTC P2339 GMC – Cylinder #4 Above Knock Threshold
DTC P2340 GMC – Cylinder #5 Above Knock Threshold
DTC P2341 GMC – Cylinder #6 Above Knock Threshold
DTC P2342 GMC – Cylinder #7 Above Knock Threshold
DTC P2343 GMC – Cylinder #8 Above Knock Threshold
DTC P2344 GMC – Cylinder #9 Above Knock Threshold
DTC P2345 GMC – Cylinder #10 Above Knock Threshold
DTC P2346 GMC – Cylinder #11 Above Knock Threshold
DTC P2347 GMC – Cylinder #12 Above Knock Threshold
DTC P2400 GMC – EVAP Leak Detection Pump Control Circuit/Open
DTC P2401 GMC – EVAP Leak Detection Pump Control Circuit Low
DTC P2402 GMC – EVAP Leak Detection Pump Control Circuit High
DTC P2403 GMC – EVAP Leak Detection Pump Sense Circuit/Open
DTC P2404 GMC – EVAP Leak Detection Pump Sense Circuit Range/Performance
DTC P2405 GMC – EVAP Leak Detection Pump Sense Circuit Low
DTC P2406 GMC – EVAP Leak Detection Pump Sense Circuit High
DTC P2407 GMC – EVAP Leak Detection Pump Sense Circuit Intermittent/Erratic
DTC P2408 GMC – Fuel Cap Sensor/Switch Circuit
DTC P2409 GMC – Fuel Cap Sensor/Switch Circuit Range/Performance
DTC P2410 GMC – Fuel Cap Sensor/Switch Circuit Low
DTC P2411 GMC – Fuel Cap Sensor/Switch Circuit High
DTC P2412 GMC – Fuel Cap Sensor/Switch Circuit Intermittent/Erratic
DTC P2413 GMC – Exhaust Gas Recirculation System Performance
DTC P2414 GMC – O2 Sensor Exhaust Sample Error Bank1 Sensor 1
DTC P2415 GMC – O2 Sensor Exhaust Sample Error Bank2 Sensor 1
DTC P2416 GMC – O2 Sensor Signals Swapped Bank1 Sensor 2 /Bank1 Sensor 3
DTC P2417 GMC – O2 Sensor Signals Swapped Bank2 Sensor 2 /Bank2 Sensor 3
DTC P2418 GMC – EVAP Switching Valve Control Circuit /Open
DTC P2419 GMC – EVAP Switching Valve Control Circuit Low
DTC P2420 GMC – EVAP Switching Valve Control Circuit High
DTC P2421 GMC – EVAP Vent Valve Stuck Open
DTC P2422 GMC – EVAP Vent Valve Stuck Closed
DTC P2423 GMC – HC Adsorption Catalyst Efficiency Below Threshold Bank1
DTC P2424 GMC – HC Adsorption Catalyst Efficiency Below Threshold Bank2
DTC P2425 GMC – Exhaust Gas Recirculation Cooling Valve Control Circuit/Open
DTC P2426 GMC – Exhaust Gas Recirculation Cooling Valve Control Circuit Low
DTC P2427 GMC – Exhaust Gas Recirculation Cooling Valve Control Circuit High
DTC P2428 GMC – Exhaust Gas Temperature Too High Bank1
DTC P2429 GMC – Exhaust Gas Temperature Too High Bank2
DTC P2430 GMC – Secondary Air Injection System Air Flow/Pressure Sensor Circuit Bank1
DTC P2431 GMC – Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/Performance Bank1
DTC P2432 GMC – Secondary Air Injection System Air Flow/Pressure Sensor Circuit Low Bank1
DTC P2433 GMC – Secondary Air Injection System Air Flow/Pressure Sensor Circuit High Bank1
DTC P2434 GMC – Secondary Air Injection System Air Flow/Pressure Sensor Circuit Intermittent/Erratic Bank1
DTC P2435 GMC – Secondary Air Injection System Air Flow/Pressure Sensor Circuit Bank2
DTC P2436 GMC – Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/Performance Bank2
DTC P2437 GMC – Secondary Air Injection System Air Flow/Pressure Sensor Circuit Low Bank2
DTC P2438 GMC – Secondary Air Injection System Air Flow/Pressure Sensor Circuit High Bank2
DTC P2439 GMC – Secondary Air Injection System Air Flow/Pressure Sensor Circuit Intermittent/Erratic Bank2
DTC P2440 GMC – Secondary Air Injection System Switching Valve Stuck Open Bank1
DTC P2441 GMC – Secondary Air Injection System Switching Valve Stuck Closed Bank1
DTC P2442 GMC – Secondary Air Injection System Switching Valve Stuck Open Bank2
DTC P2443 GMC – Secondary Air Injection System Switching Valve Stuck Closed Bank2
DTC P2444 GMC – Secondary Air Injection System Pump Stuck On Bank1
DTC P2445 GMC – Secondary Air Injection System Pump Stuck Off Bank1
DTC P2446 GMC – Secondary Air Injection System Pump Stuck On Bank2
DTC P2447 GMC – Secondary Air Injection System Pump Stuck Off Bank2
DTC P2500 GMC – Generator Lamp/L-Terminal Circuit Low
DTC P2501 GMC – Generator Lamp/L-Terminal Circuit High
DTC P2502 GMC – Charging System Voltage
DTC P2503 GMC – Charging System Voltage Low
DTC P2504 GMC – Charging System Voltage High
DTC P2505 GMC – ECM/PCM Power Input Signal
DTC P2506 GMC – ECM/PCM Power Input Signal Range/Performance
DTC P2507 GMC – ECM/PCM Power Input Signal Low
DTC P2508 GMC – ECM/PCM Power Input Signal High
DTC P2509 GMC – ECM/PCM Power Input Signal Intermittent
DTC P2510 GMC – ECM/PCM Power Relay Sense Circuit Range/Performance
DTC P2511 GMC – ECM/PCM Power Relay Sense Circuit Intermittent
DTC P2512 GMC – Event Data Recorder Request Circuit/ Open
DTC P2513 GMC – Event Data Recorder Request Circuit Low
DTC P2514 GMC – Event Data Recorder Request Circuit High
DTC P2515 GMC – A/C Refrigerant Pressure Sensor B Circuit
DTC P2516 GMC – A/C Refrigerant Pressure Sensor B Circuit Range/Performance
DTC P2517 GMC – A/C Refrigerant Pressure Sensor B Circuit Low
DTC P2518 GMC – A/C Refrigerant Pressure Sensor B Circuit High
DTC P2519 GMC – A/C Request A Circuit
DTC P2520 GMC – A/C Request A Circuit Low
DTC P2521 GMC – A/C Request A Circuit High
DTC P2522 GMC – A/C Request B Circuit
DTC P2523 GMC – A/C Request B Circuit Low
DTC P2524 GMC – A/C Request B Circuit High
DTC P2525 GMC – Vacuum Reservoir Pressure Sensor Circuit
DTC P2526 GMC – Vacuum Reservoir Pressure Sensor Circuit Range/Performance
DTC P2527 GMC – Vacuum Reservoir Pressure Sensor Circuit Low
DTC P2528 GMC – Vacuum Reservoir Pressure Sensor Circuit High
DTC P2529 GMC – Vacuum Reservoir Pressure Sensor Circuit Intermittent
DTC P2530 GMC – Ignition Switch Run Position Circuit
DTC P2531 GMC – Ignition Switch Run Position Circuit Low
DTC P2532 GMC – Ignition Switch Run Position Circuit High
DTC P2533 GMC – Ignition Switch Run/Start Position Circuit
DTC P2534 GMC – Ignition Switch Run/Start Position Circuit Low
DTC P2535 GMC – Ignition Switch Run/Start Position Circuit High
DTC P2536 GMC – Ignition Switch Accessory Position Circuit
DTC P2537 GMC – Ignition Switch Accessory Position Circuit Low
DTC P2538 GMC – Ignition Switch Accessory Position Circuit High
DTC P2539 GMC – Low Pressure Fuel System Sensor Circuit
DTC P2540 GMC – Low Pressure Fuel System Sensor Circuit Range/Performance
DTC P2541 GMC – Low Pressure Fuel System Sensor Circuit Low
DTC P2542 GMC – Low Pressure Fuel System Sensor Circuit High
DTC P2543 GMC – Low Pressure Fuel System Sensor Circuit Intermittent
DTC P2544 GMC – Torque Management Request Input Signal A
DTC P2545 GMC – Torque Management Request Input Signal A Range/Performance
DTC P2546 GMC – Torque Management Request Input Signal A Low
DTC P2547 GMC – Torque Management Request Input Signal A High
DTC P2548 GMC – Torque Management Request Input Signal B
DTC P2549 GMC – Torque Management Request Input Signal B Range/Performance
DTC P2550 GMC – Torque Management Request Input Signal B Low
DTC P2551 GMC – Torque Management Request Input Signal B High
DTC P2552 GMC – Throttle/Fuel Inhibit Circuit
DTC P2553 GMC – Throttle/Fuel Inhibit Circuit Range/Performance
DTC P2554 GMC – Throttle/Fuel Inhibit Circuit Low
DTC P2555 GMC – Throttle/Fuel Inhibit Circuit High
DTC P2556 GMC – Engine Coolant Level Sensor/Switch Circuit
DTC P2557 GMC – Engine Coolant Level Sensor/Switch Circuit Range/Performance
DTC P2558 GMC – Engine Coolant Level Sensor/Switch Circuit Low
DTC P2559 GMC – Engine Coolant Level Sensor/Switch Circuit High
DTC P2560 GMC – Engine Coolant Level Low
DTC P2561 GMC – A/C Control Mod Requested MIL Illumination
DTC P2562 GMC – Turbocharger Boost Control Position Sensor Circuit
DTC P2563 GMC – Turbocharger Boost Control Position Sensor Circuit Range/Performance
DTC P2564 GMC – Turbocharger Boost Control Position Sensor Circuit Low
DTC P2565 GMC – Turbocharger Boost Control Position Sensor Circuit High
DTC P2566 GMC – Turbocharger Boost Control Position Sensor Circuit Intermittent
DTC P2567 GMC – Direct Ozone Reduction Catalyst Temperature Sensor Circuit
DTC P2568 GMC – Direct Ozone Reduction Catalyst Temperature Sensor Circuit Range/Performance
DTC P2569 GMC – Direct Ozone Reduction Catalyst Temperature Sensor Circuit Low
DTC P2570 GMC – Direct Ozone Reduction Catalyst Temperature Sensor Circuit High
DTC P2571 GMC – Direct Ozone Reduction Catalyst Temperature Sensor Circuit Intermittent/Erratic
DTC P2572 GMC – Direct Ozone Reduction Catalyst Deterioration Sensor Circuit
DTC P2573 GMC – Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance
DTC P2574 GMC – Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low
DTC P2575 GMC – Direct Ozone Reduction Catalyst Deterioration Sensor Circuit High
DTC P2576 GMC – Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Intermittent/Erratic
DTC P2577 GMC – Direct Ozone Reduction Catalyst Efficiency Below Threshold
DTC P2600 GMC – Coolant Pump Control Circuit/Open
DTC P2601 GMC – Coolant Pump Control Circuit Range/Performance
DTC P2602 GMC – Coolant Pump Control Circuit Low
DTC P2603 GMC – Coolant Pump Control Circuit High
DTC P2604 GMC – Intake Air Heater A Circuit Range/Performance
DTC P2605 GMC – Intake Air Heater A Circuit/Open
DTC P2606 GMC – Intake Air Heater B Circuit Range/Performance
DTC P2607 GMC – Intake Air Heater B Circuit Low
DTC P2608 GMC – Intake Air Heater B Circuit High
DTC P2609 GMC – Intake Air Heater System Performance
DTC P2610 GMC – ECM/PCM Internal Engine Off Timer Performance
DTC P2611 GMC – A/C Refrigerant Distribution Valve Control Circuit/Open
DTC P2612 GMC – A/C Refrigerant Distribution Valve Control Circuit Low
DTC P2613 GMC – A/C Refrigerant Distribution Valve Control Circuit High
DTC P2614 GMC – Camshaft Position Signal Output Circuit/Open
DTC P2615 GMC – Camshaft Position Signal Output Circuit Low
DTC P2616 GMC – Camshaft Position Signal Output Circuit High
DTC P2617 GMC – Crank Position Signal Output Circuit/Open
DTC P2618 GMC – Crank Position Signal Output Circuit Low
DTC P2619 GMC – Crank Position Signal Output Circuit High
DTC P2620 GMC – Throttle Position Output Circuit/Open
DTC P2621 GMC – Throttle Position Output Circuit Low
DTC P2622 GMC – Throttle Position Output Circuit High
DTC P2623 GMC – Injector Control Pressure Regulator Circuit/Open
DTC P2624 GMC – Injector Control Pressure Regulator Circuit Low
DTC P2625 GMC – Injector Control Pressure Regulator Circuit High
DTC P2626 GMC – O2 Sensor Pumping Current Trim Circuit/Open Bank1 Sensor 1
DTC P2627 GMC – O2 Sensor Pumping Current Trim Circuit Low Bank1 Sensor 1
DTC P2628 GMC – O2 Sensor Pumping Current Trim Circuit High Bank1 Sensor 1
DTC P2629 GMC – O2 Sensor Pumping Current Trim Circuit/Open Bank2 Sensor 1
DTC P2630 GMC – O2 Sensor Pumping Current Trim Circuit Low Bank2 Sensor 1
DTC P2631 GMC – O2 Sensor Pumping Current Trim Circuit High Bank2 Sensor 1
DTC P2632 GMC – Fuel Pump B Control Circuit /Open
DTC P2633 GMC – Fuel Pump B Control Circuit Low
DTC P2634 GMC – Fuel Pump B Control Circuit High
DTC P2635 GMC – Fuel Pump A Low Flow / Performance
DTC P2636 GMC – Fuel Pump B Low Flow / Performance
DTC P2637 GMC – Torque Management Feedback Signal A
DTC P2638 GMC – Torque Management Feedback Signal A Range/Performance
DTC P2639 GMC – Torque Management Feedback Signal A Low
DTC P2640 GMC – Torque Management Feedback Signal A High
DTC P2641 GMC – Torque Management Feedback Signal B
DTC P2642 GMC – Torque Management Feedback Signal B Range/Performance
DTC P2643 GMC – Torque Management Feedback Signal B Low
DTC P2644 GMC – Torque Management Feedback Signal B High
DTC P2645 GMC – A Rocker Arm Actuator Control Circuit/Open Bank1
DTC P2646 GMC – A Rocker Arm Actuator System Performance or Stuck Off Bank1
DTC P2647 GMC – A Rocker Arm Actuator System Stuck On Bank1
DTC P2648 GMC – A Rocker Arm Actuator Control Circuit Low Bank1
DTC P2649 GMC – A Rocker Arm Actuator Control Circuit High Bank1
DTC P2650 GMC – B Rocker Arm Actuator Control Circuit/Open Bank1
DTC P2651 GMC – B Rocker Arm Actuator System Performance or Stuck Off Bank1
DTC P2652 GMC – B Rocker Arm Actuator System Stuck On Bank1
DTC P2653 GMC – B Rocker Arm Actuator Control Circuit Low Bank1
DTC P2654 GMC – B Rocker Arm Actuator Control Circuit High Bank1
DTC P2655 GMC – A Rocker Arm Actuator Control Circuit/Open Bank2
DTC P2656 GMC – A Rocker Arm Actuator System Performance or Stuck Off Bank2
DTC P2657 GMC – A Rocker Arm Actuator System Stuck On Bank2
DTC P2658 GMC – A Rocker Arm Actuator Control Circuit Low Bank2
DTC P2659 GMC – A Rocker Arm Actuator Control Circuit High Bank2
DTC P2660 GMC – B Rocker Arm Actuator Control Circuit/Open Bank2
DTC P2661 GMC – B Rocker Arm Actuator System Performance or Stuck Off Bank2
DTC P2662 GMC – B Rocker Arm Actuator System Stuck On Bank2
DTC P2663 GMC – B Rocker Arm Actuator Control Circuit Low Bank2
DTC P2664 GMC – B Rocker Arm Actuator Control Circuit High Bank2
DTC P2665 GMC – Fuel Shutoff Valve B Control Circuit/Open
DTC P2666 GMC – Fuel Shutoff Valve B Control Circuit Low
DTC P2667 GMC – Fuel Shutoff Valve B Control Circuit High
DTC P2668 GMC – Fuel Mode Indicator Lamp Control Circuit
DTC P2669 GMC – Actuator Supply Voltage B Circuit /Open
DTC P2670 GMC – Actuator Supply Voltage B Circuit Low
DTC P2671 GMC – Actuator Supply Voltage B Circuit High
DTC P2700 GMC – Transmission Friction Element A Apply Time Range/Performance
DTC P2701 GMC – Transmission Friction Element B Apply Time Range/Performance
DTC P2702 GMC – Transmission Friction Element C Apply Time Range/Performance
DTC P2703 GMC – Transmission Friction Element D Apply Time Range/Performance
DTC P2704 GMC – Transmission Friction Element E Apply Time Range/Performance
DTC P2705 GMC – Transmission Friction Element F Apply Time Range/Performance
DTC P2706 GMC – Shift Solenoid F
DTC P2707 GMC – Shift Solenoid F Performance or Stuck Off
DTC P2708 GMC – Shift Solenoid F Stuck On
DTC P2709 GMC – Shift Solenoid F Electrical
DTC P2710 GMC – Shift Solenoid F Intermittent
DTC P2711 GMC – Unexpected Mechanical Gear Disengagement
DTC P2712 GMC – Hydraulic Power Unit Leakage
DTC P2713 GMC – Pressure Control Solenoid D
DTC P2714 GMC – Pressure Control Solenoid D Performance or Stuck Off
DTC P2715 GMC – Pressure Control Solenoid D Stuck On
DTC P2716 GMC – Pressure Control Solenoid D Electrical
DTC P2717 GMC – Pressure Control Solenoid D Intermittent
DTC P2718 GMC – Pressure Control Solenoid D Control Circuit / Open
DTC P2719 GMC – Pressure Control Solenoid D Control Circuit Range/Performance
DTC P2720 GMC – Pressure Control Solenoid D Control Circuit Low
DTC P2721 GMC – Pressure Control Solenoid D Control Circuit High
DTC P2722 GMC – Pressure Control Solenoid E
DTC P2723 GMC – Pressure Control Solenoid E Performance or Stuck Off
DTC P2724 GMC – Pressure Control Solenoid E Stuck On
DTC P2725 GMC – Pressure Control Solenoid E Electrical
DTC P2726 GMC – Pressure Control Solenoid E Intermittent
DTC P2727 GMC – Pressure Control Solenoid E Control Circuit / Open
DTC P2728 GMC – Pressure Control Solenoid E Control Circuit Range/Performance
DTC P2729 GMC – Pressure Control Solenoid E Control Circuit Low
DTC P2730 GMC – Pressure Control Solenoid E Control Circuit High
DTC P2731 GMC – Pressure Control Solenoid F
DTC P2732 GMC – Pressure Control Solenoid F Performance or Stuck Off
DTC P2733 GMC – Pressure Control Solenoid F Stuck On
DTC P2734 GMC – Pressure Control Solenoid F Electrical
DTC P2735 GMC – Pressure Control Solenoid F Intermittent
DTC P2736 GMC – Pressure Control Solenoid F Control Circuit/Open
DTC P2737 GMC – Pressure Control Solenoid F Control Circuit Range/Performance
DTC P2738 GMC – Pressure Control Solenoid F Control Circuit Low
DTC P2739 GMC – Pressure Control Solenoid F Control Circuit High
DTC P2740 GMC – Transmission Fluid Temperature Sensor B Circuit
DTC P2741 GMC – Transmission Fluid Temperature Sensor B Circuit Range Performance
DTC P2742 GMC – Transmission Fluid Temperature Sensor B Circuit Low
DTC P2743 GMC – Transmission Fluid Temperature Sensor B Circuit High
DTC P2744 GMC – Transmission Fluid Temperature Sensor B Circuit Intermittent
DTC P2745 GMC – Intermediate Shaft Speed Sensor B Circuit
DTC P2746 GMC – Intermediate Shaft Speed Sensor B Circuit Range/Performance
DTC P2747 GMC – Intermediate Shaft Speed Sensor B Circuit No Signal
DTC P2748 GMC – Intermediate Shaft Speed Sensor B Circuit Intermittent
DTC P2749 GMC – Intermediate Shaft Speed Sensor C Circuit
DTC P2750 GMC – Intermediate Shaft Speed Sensor C Circuit Range/Performance
DTC P2751 GMC – Intermediate Shaft Speed Sensor C Circuit No Signal
DTC P2752 GMC – Intermediate Shaft Speed Sensor C Circuit Intermittent
DTC P2753 GMC – Transmission Fluid Cooler Control Circuit/Open
DTC P2754 GMC – Transmission Fluid Cooler Control Circuit Low
DTC P2755 GMC – Transmission Fluid Cooler Control Circuit High
DTC P2756 GMC – Torque Converter Clutch Pressure Control Solenoid
DTC P2757 GMC – Torque Converter Clutch Pressure Control Solenoid Control Circuit Performance or Stuck Off
DTC P2758 GMC – Torque Converter Clutch Pressure Control Solenoid Control Circuit Stuck On
DTC P2759 GMC – Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical
DTC P2760 GMC – Torque Converter Clutch Pressure Control Solenoid Control Circuit Intermittent
DTC P2761 GMC – Torque Converter Clutch Pressure Control Solenoid Control Circuit/Open
DTC P2762 GMC – Torque Converter Clutch Pressure Control Solenoid Control Circuit Range/Performance
DTC P2763 GMC – Torque Converter Clutch Pressure Control Solenoid Control Circuit High
DTC P2764 GMC – Torque Converter Clutch Pressure Control Solenoid Control Circuit Low
DTC P2765 GMC – Input/Turbine Speed Sensor B Circuit
DTC P2766 GMC – Input/Turbine Speed Sensor B Circuit Range/Performance
DTC P2767 GMC – Input/Turbine Speed Sensor B Circuit No Signal
DTC P2768 GMC – Input/Turbine Speed Sensor B Circuit Intermittent
DTC P2769 GMC – Torque Converter Clutch Circuit Low
DTC P2770 GMC – Torque Converter Clutch Circuit High
DTC P2771 GMC – 4WD Low Switch Circuit
DTC P2772 GMC – 4WD Low Switch Circuit Range/Performance
DTC P2773 GMC – 4WD Low Switch Circuit Low
DTC P2774 GMC – 4WD Low Switch Circuit High
DTC P2775 GMC – Upshift Switch Circuit Range/Performance
DTC P2776 GMC – Upshift Switch Circuit Low
DTC P2777 GMC – Upshift Switch Circuit High
DTC P2778 GMC – Upshift Switch Circuit Intermittent/Erratic
DTC P2779 GMC – Downshift Switch Circuit Range/Performance
DTC P2780 GMC – Downshift Switch Circuit Low
DTC P2781 GMC – Downshift Switch Circuit High
DTC P2782 GMC – Downshift Switch Circuit Intermittent/Erratic
DTC P2783 GMC – Torque Converter Temperature Too High
DTC P2784 GMC – Input/Turbine Speed Sensor A/B Correlation
DTC P2785 GMC – Clutch Actuator Temperature Too High
DTC P2786 GMC – Gear Shift Actuator Temperature Too High
DTC P2787 GMC – Clutch Temperature Too High
DTC P2788 GMC – Auto Shift Manual Adaptive Learning at Limit
DTC P2789 GMC – Clutch Adaptive Learning at Limit
DTC P2790 GMC – Gate Select Direction Circuit
DTC P2791 GMC – Gate Select Direction Circuit Low
DTC P2792 GMC – Gate Select Direction Circuit High
DTC P2793 GMC – Gear Shift Direction Circuit
DTC P2794 GMC – Gear Shift Direction Circuit Low
DTC P2795 GMC – Gear Shift Direction Circuit High
DTC P2A00 GMC – O2 Sensor Circuit Range/Performance Bank1 Sensor 1
DTC P2A01 GMC – O2 Sensor Circuit Range/Performance Bank1 Sensor 2
DTC P2A02 GMC – O2 Sensor Circuit Range/Performance Bank1 Sensor 3
DTC P2A03 GMC – O2 Sensor Circuit Range/Performance Bank2 Sensor 1
DTC P2A04 GMC – O2 Sensor Circuit Range/Performance Bank2 Sensor 2
DTC P2A05 GMC – O2 Sensor Circuit Range/Performance Bank2 Sensor 3
DTC P3400 GMC – Cylinder Deactivation System DTC
DTC P3401 GMC – Cylinder 1 Deactivation/Intake Valve Control Circuit/Open
DTC P3402 GMC – Cylinder 1 Deactivation/Intake Valve Control Performance
DTC P3403 GMC – Cylinder 1 Deactivation/Intake Valve Control Circuit Low
DTC P3404 GMC – Cylinder 1 Deactivation/Intake Valve Control Circuit High
DTC P3405 GMC – Cylinder 1 Exhaust Valve Control Circuit/Open
DTC P3406 GMC – Cylinder 1 Exhaust Valve Control Performance
DTC P3407 GMC – Cylinder 1 Exhaust Valve Control Circuit Low
DTC P3408 GMC – Cylinder 1 Exhaust Valve Control Circuit High
DTC P3409 GMC – Cylinder 2 Deactivation/Intake Valve Control Circuit/Open
DTC P3410 GMC – Cylinder 2 Deactivation/Intake Valve Control Performance
DTC P3411 GMC – Cylinder 2 Deactivation/Intake Valve Control Circuit Low
DTC P3412 GMC – Cylinder 2 Deactivation/Intake Valve Control Circuit High
DTC P3413 GMC – Cylinder 2 Exhaust Valve Control Circuit/Open
DTC P3414 GMC – Cylinder 2 Exhaust Valve Control Performance
DTC P3415 GMC – Cylinder 2 Exhaust Valve Control Circuit Low
DTC P3416 GMC – Cylinder 2 Exhaust Valve Control Circuit High
DTC P3417 GMC – Cylinder 3 Deactivation/Intake Valve Control Circuit/Open
DTC P3418 GMC – Cylinder 3 Deactivation/Intake Valve Control Performance
DTC P3419 GMC – Cylinder 3 Deactivation/Intake Valve Control Circuit Low
DTC P3420 GMC – Cylinder 3 Deactivation/Intake Valve Control Circuit High
DTC P3421 GMC – Cylinder 3 Exhaust Valve Control Circuit/Open
DTC P3422 GMC – Cylinder 3 Exhaust Valve Control Performance
DTC P3423 GMC – Cylinder 3 Exhaust Valve Control Circuit Low
DTC P3424 GMC – Cylinder 3 Exhaust Valve Control Circuit High
DTC P3425 GMC – Cylinder 4 Deactivation/Intake Valve Control Circuit/Open
DTC P3426 GMC – Cylinder 4 Deactivation/Intake Valve Control Performance
DTC P3427 GMC – Cylinder 4 Deactivation/Intake Valve Control Circuit Low
DTC P3428 GMC – Cylinder 4 Deactivation/Intake Valve Control Circuit High
DTC P3429 GMC – Cylinder 4 Exhaust Valve Control Circuit/Open
DTC P3430 GMC – Cylinder 4 Exhaust Valve Control Performance
DTC P3431 GMC – Cylinder 4 Exhaust Valve Control Circuit Low
DTC P3432 GMC – Cylinder 4 Exhaust Valve Control Circuit High
DTC P3433 GMC – Cylinder 5 Deactivation/Intake Valve Control Circuit/Open
DTC P3434 GMC – Cylinder 5 Deactivation/Intake Valve Control Performance
DTC P3435 GMC – Cylinder 5 Deactivation/Intake Valve Control Circuit Low
DTC P3436 GMC – Cylinder 5 Deactivation/Intake Valve Control Circuit High
DTC P3437 GMC – Cylinder 5 Exhaust Valve Control Circuit/Open
DTC P3438 GMC – Cylinder 5 Exhaust Valve Control Performance
DTC P3439 GMC – Cylinder 5 Exhaust Valve Control Circuit Low
DTC P3440 GMC – Cylinder 5 Exhaust Valve Control Circuit High
DTC P3441 GMC – Cylinder 6 Deactivation/Intake Valve Control Circuit/Open
DTC P3442 GMC – Cylinder 6 Deactivation/Intake Valve Control Performance
DTC P3443 GMC – Cylinder 6 Deactivation/Intake Valve Control Circuit Low
DTC P3444 GMC – Cylinder 6 Deactivation/Intake Valve Control Circuit High
DTC P3445 GMC – Cylinder 6 Exhaust Valve Control Circuit/Open
DTC P3446 GMC – Cylinder 6 Exhaust Valve Control Performance
DTC P3447 GMC – Cylinder 6 Exhaust Valve Control Circuit Low
DTC P3448 GMC – Cylinder 6 Exhaust Valve Control Circuit High
DTC P3449 GMC – Cylinder 7 Deactivation/Intake Valve Control Circuit/Open
DTC P3450 GMC – Cylinder 7 Deactivation/Intake Valve Control Performance
DTC P3451 GMC – Cylinder 7 Deactivation/Intake Valve Control Circuit Low
DTC P3452 GMC – Cylinder 7 Deactivation/Intake Valve Control Circuit High
DTC P3453 GMC – Cylinder 7 Exhaust Valve Control Circuit/Open
DTC P3454 GMC – Cylinder 7 Exhaust Valve Control Performance
DTC P3455 GMC – Cylinder 7 Exhaust Valve Control Circuit Low
DTC P3456 GMC – Cylinder 7 Exhaust Valve Control Circuit High
DTC P3457 GMC – Cylinder 8 Deactivation/Intake Valve Control Circuit/Open
DTC P3458 GMC – Cylinder 8 Deactivation/Intake Valve Control Performance
DTC P3459 GMC – Cylinder 8 Deactivation/Intake Valve Control Circuit Low
DTC P3460 GMC – Cylinder 8 Deactivation/Intake Valve Control Circuit High
DTC P3461 GMC – Cylinder 8 Exhaust Valve Control Circuit/Open
DTC P3462 GMC – Cylinder 8 Exhaust Valve Control Performance
DTC P3463 GMC – Cylinder 8 Exhaust Valve Control Circuit Low
DTC P3464 GMC – Cylinder 8 Exhaust Valve Control Circuit High
DTC P3465 GMC – Cylinder 9 Deactivation/Intake Valve Control Circuit/Open
DTC P3466 GMC – Cylinder 9 Deactivation/Intake Valve Control Performance
DTC P3467 GMC – Cylinder 9 Deactivation/Intake Valve Control Circuit Low
DTC P3468 GMC – Cylinder 9 Deactivation/Intake Valve Control Circuit High
DTC P3469 GMC – Cylinder 9 Exhaust Valve Control Circuit/Open
DTC P3470 GMC – Cylinder 9 Exhaust Valve Control Performance
DTC P3471 GMC – Cylinder 9 Exhaust Valve Control Circuit Low
DTC P3472 GMC – Cylinder 9 Exhaust Valve Control Circuit High
DTC P3473 GMC – Cylinder 10 Deactivation/Intake Valve Control Circuit/Open
DTC P3474 GMC – Cylinder 10 Deactivation/Intake Valve Control Performance
DTC P3475 GMC – Cylinder 10 Deactivation/Intake Valve Control Circuit Low
DTC P3476 GMC – Cylinder 10 Deactivation/Intake Valve Control Circuit High
DTC P3477 GMC – Cylinder 10 Exhaust Valve Control Circuit/Open
DTC P3478 GMC – Cylinder 10 Exhaust Valve Control Performance
DTC P3479 GMC – Cylinder 10 Exhaust Valve Control Circuit Low
DTC P3480 GMC – Cylinder 10 Exhaust Valve Control Circuit High
DTC P3481 GMC – Cylinder 11 Deactivation/Intake Valve Control Circuit/Open
DTC P3482 GMC – Cylinder 11 Deactivation/Intake Valve Control Performance
DTC P3483 GMC – Cylinder 11 Deactivation/Intake Valve Control Circuit Low
DTC P3484 GMC – Cylinder 11 Deactivation/Intake Valve Control Circuit High
DTC P3485 GMC – Cylinder 11 Exhaust Valve Control Circuit/Open
DTC P3486 GMC – Cylinder 11 Exhaust Valve Control Performance
DTC P3487 GMC – Cylinder 11 Exhaust Valve Control Circuit Low
DTC P3488 GMC – Cylinder 11 Exhaust Valve Control Circuit High
DTC P3489 GMC – Cylinder 12 Deactivation/Intake Valve Control Circuit/Open
DTC P3490 GMC – Cylinder 12 Deactivation/Intake Valve Control Performance
DTC P3491 GMC – Cylinder 12 Deactivation/Intake Valve Control Circuit Low
DTC P3492 GMC – Cylinder 12 Deactivation/Intake Valve Control Circuit High
DTC P3493 GMC – Cylinder 12 Exhaust Valve Control Circuit/Open
OBD2 Chassis/ABS Diagnostic Trouble Codes List:
DTC C1211 GMC – ABS Indicator Lamp Circuit Malfunction
DTC C1214 GMC – System Relay Contact or Coil Circuit Open
DTC C1217 GMC – Pump Motor Shorted to Ground
DTC C1218 GMC – Pump Motor Circuit Shorted to Voltage or Motor Ground Open
DTC C1221 GMC – Left Front Wheel Speed Sensor Input Signal is 0
DTC C1222 GMC – Right Front Wheel Speed Sensor Input Signal is 0
DTC C1223 GMC – Left Rear Wheel Speed Sensor Input Signal is 0
DTC C1224 GMC – Right Rear Wheel Speed Sensor Input Signal is 0
DTC C1225 GMC – Left Front Excessive Wheel Speed Variation
DTC C1226 GMC – Right Front Excessive Wheel Speed Variation
DTC C1227 GMC – Left Rear Excessive Wheel Speed Variation
DTC C1228 GMC – Right Rear Excessive Wheel Speed Variation
DTC C1232 GMC – Left Front Wheel Speed Circuit Open or Shorted
DTC C1233 GMC – Right Front Wheel Speed Circuit Open or Shorted
DTC C1234 GMC – Left Rear Wheel Speed Circuit Open or Shorted
DTC C1235 GMC – Right Rear Wheel Speed Circuit Open or Shorted
DTC C1236 GMC – Low System Supply Voltage
DTC C1237 GMC – High System Supply Voltage
DTC C1238 GMC – Brake Thermal Model Exceeded
DTC C1241 GMC – Variable Effort Steering Circuit Malfunction
DTC C1242 GMC – Pump Motor Circuit Open
DTC C1243 GMC – BPMV Pump Motor Stalled
DTC C1244 GMC – Powertrain Indicated Engine Drag Control Malfunction
DTC C1246 GMC – Brake Lining Wear Circuit Open
DTC C1248 GMC – EBCM Turned the Red Brake Warning Indicator On
DTC C1251 GMC – RSS Indicated Malfunction
DTC C1252 GMC – Left Front Normal Force Malfunction
DTC C1253 GMC – Right Front Normal Force Malfunction
DTC C1254 GMC – Abnormal Shutdown Detected
DTC C1255 GMC – EBCM Internal Malfunction
DTC C1256 GMC – EBCM Internal Malfunction
DTC C1261 GMC – Left Front Inlet Valve Solenoid Malfunction
DTC C1262 GMC – Left Front Outlet Valve Solenoid Malfunction
DTC C1263 GMC – Right Front Inlet Valve Solenoid Malfunction
DTC C1264 GMC – Right Front Outlet Valve Solenoid Malfunction
DTC C1265 GMC – Left Rear Inlet Valve Solenoid Malfunction
DTC C1266 GMC – Left Rear Outlet Valve Solenoid Malfunction
DTC C1267 GMC – Right Rear Inlet Valve Solenoid Malfunction
DTC C1268 GMC – Right Rear Outlet Valve Solenoid Malfunction
DTC C1271 GMC – Left Front TCS Master Cylinder Isolation Valve Malfunction
DTC C1272 GMC – Left Front TCS Prime Valve Malfunction
DTC C1273 GMC – Right Front TCS Master Cylinder Isolation Valve Malfunction
DTC C1274 GMC – Right Front TCS Prime Valve Malfunction
DTC C1276 GMC – Delivered Torque Signal Circuit Malfunction
DTC C1277 GMC – Requested Torque Signal Circuit Malfunction
DTC C1278 GMC – TCS Temporarily Inhibited By PCM
DTC C1281 GMC – VSES Sensors Uncorrelated
DTC C1282 GMC – Yaw Rate Sensor Bias Circuit Malfunction
DTC C1283 GMC – Excessive Time to Center Steering
DTC C1284 GMC – Lateral Accelerometer Sensor Bias Malfunction
DTC C1285 GMC – Lateral Accelerometer Sensor Circuit Malfunction
DTC C1286 GMC – Steering Sensor Bias Malfunction
DTC C1287 GMC – Steering Sensor Rate Malfunction
DTC C1288 GMC – Steering Sensor Circuit Malfunction
DTC C1291 GMC – Open Brake Lamp Switch Contacts During Deceleration
DTC C1292 GMC – Brake Fluid Pressure Sensor Circuit
DTC C1294 GMC – Brake Lamp Switch Circuit Always Active
DTC C1295 GMC – Brake Lamp Switch Circuit Open
DTC C1296 GMC – Brake Fluid Pressure Sensor Circuit
DTC C1297 GMC – PCM Indicated Brake Extended Travel Switch Failure
DTC C1298 GMC – PCM Class 2 Serial Data Link Malfunction
DTC C1326 GMC – Battery Out of Range
DTC C1650 GMC – RSS Control Module Fault
DTC C1658 GMC – RSS Control Module Calibration Fault
DTC C1710 GMC – Left Front Damper Actuator Short Circuit to Battery
DTC C1711 GMC – Left Front Damper Actuator Short Circuit to Ground
DTC C1712 GMC – Left Front Damper Actuator Open Circuit
DTC C1715 GMC – Right Front Damper Actuator Short Circuit to Battery
DTC C1716 GMC – Right Front Damper Actuator Short Circuit to Ground
DTC C1717 GMC – Right Front Damper Actuator Open Circuit
DTC C1720 GMC – Left Rear Damper Actuator Short Circuit to Battery
DTC C1721 GMC – Left Rear Damper Actuator Short Circuit to Ground
DTC C1722 GMC – Left Rear Damper Actuator Open Circuit
DTC C1725 GMC – Right Rear Damper Actuator Short Circuit to Battery
DTC C1726 GMC – Right Rear Damper Actuator Short Circuit to Ground
DTC C1727 GMC – Right Rear Damper Actuator Open Circuit
DTC C1735 GMC – Compressor Relay Short to Battery
DTC C1736 GMC – Compressor Relay Short to GND/Open Circuit
DTC C1737 GMC – Exhaust Solenoid Valve Short to Battery
DTC C1738 GMC – Exhaust Solenoid Valve Short to GND
DTC C1743 GMC – Speed Signal Fault
DTC C1744 GMC – Lift/Dive Signal Discrete Fault
DTC C1760 GMC – Left Front Position Sensor Input Fault
DTC C1761 GMC – Right Front Position Sensor Input Fault
DTC C1762 GMC – Left Rear Position Sensor Input Fault
DTC C1763 GMC – Right Rear Position Sensor Input Fault
DTC C1768 GMC – Position Sensor Supply Fault
DTC C1780 GMC – Loss of Steering Position Signal
DTC C1782 GMC – ICCS2 DL Left Output Short Circuit to Bat
DTC C1783 GMC – ICCS2 DL Left Output Short Circuit to GND
DTC C1784 GMC – ICCS2 DL Right Output Short Circuit to Bat
DTC C1785 GMC – ICCS2 DL Right Output Short Circuit to GND
DTC C1786 GMC – Damper Control Relay Fault
DTC C1787 GMC – Damper Control Relay Short to GND
DTC C1788 GMC – Damper Control Relay Short to Bat
Taking note that the list is continually evolving, with ongoing expansions to encompass a broader spectrum of OBD2 trouble codes.
In summary, this guide serves as a valuable resource for novice and experienced technicians, as well as automotive enthusiasts, by offering an extensive list of GMC OBD2 trouble codes.
Stay tuned for more informative content on maintaining and enhancing your automotive experience.