Navigating the intricacies of Jeep 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 Jeep automobiles. Whether you’re a seasoned professional or an enthusiastic Jeep owner eager to decipher your vehicle’s language, this compilation is crafted to be a valuable resource. Join me as we unravel the codes that unveil crucial information about your Jeep’s health, providing insights into potential issues and guiding you toward effective diagnostic and repair solutions. Let’s delve into the realm of Jeep Diagnostic Trouble Codes together, empowering ourselves with the knowledge to keep these automotive marvels performing at their best!
Powertrain Diagnostic Trouble Codes List:
DTC P1000 Ignition Circuit Low
DTC P1001 Ignition Circuit High
DTC P1004 ECU Battery Feed & Power Grounds
DTC P1005 System Ground Circuit
DTC P1006 EGR/EVAP Solenoid Circuit Low
DTC P1007 EGR/EVAP Solenoid Circuit High
DTC P1008 Power Steering Circuit Low
DTC P1009 Power Steering Circuit High
DTC P1012 MPA Circuit Low
DTC P1013 MPA Circuit High
DTC P1014 Fuel Pump Circuit Low
DTC P1015 Fuel Pump Circuit High
DTC P1016 Charge Air Temp Circuit Low
DTC P1017 Charge Air Temp Circuit High
DTC P1018 Serial Data Circuit
DTC P1019 Power Latch Not Set
DTC P1021 Engine Failed To Start Due To Mechanical, Fuel or Ignition Conditions
DTC P1022 Starter Relay Circuit Low
DTC P1024 ECU Start Circuit Low
DTC P1025 Wide Open Throttle Circuit Low
DTC P1026 Wide Open Throttle Circuit High
DTC P1027 ECU Sees Wide Open Throttle
DTC P1028 ECU Does Not See Wide Open Throttle
DTC P1029 ISA Closed Throttle Circuit Low
DTC P1030 ISA Closed Throttle Circuit High
DTC P1031 ECU Sees Closed Throttle
DTC P1032 ECU Does Not See Closed Throttle
DTC P1033 ISA Circuits
DTC P1037 TP Sensor Circuit Reads Low
DTC P1038 Park/Neutral Line High
DTC P1039 Park/Neutral Line Low
DTC P1040 Latched B+ Line Low
DTC P1041 Latched B+ Line High
DTC P1042 No Latched B+ 1/2 Volt Drop
DTC P1043 Shift Lamp CircuitGrounded
DTC P1044 D2–1 Circuit Low (A/T) or
DTC P1044 Upshift Lamp Circuit(M/T) or
DTC P1044 Shift Lamp Circuit High
DTC P1045 Shift Lamp CircuitOpen
DTC P1047 Wrong ECU
DTC P1048 M/T Vehicle Configuration
DTC P1049 A/T Vehicle Configuration
DTC P1050 Idle RPM Low
DTC P1051 Idle RPM High
DTC P1052 MAP Sensor Out Of Limits
DTC P1053 Change In MAP Reading Out Of Limits
DTC P1054 Coolant Sensor & 5V Supply for TP Sensor/MAP Circuits Low
DTC P1055 Coolant Sensor Circuit Hi
DTC P1056 Inactive Coolant Temp Sens
DTC P1059 A/C Request Circuit Low
DTC P1060 A/C Request Circuit High
DTC P1061 A/C Select Circuit Low
DTC P1062 A/C Select Circuit High
DTC P1063 A/C Clutch Circuit Low
DTC P1064 A/C Clutch Circuit High & Power Steering Input
DTC P1068 Latch Relay Circuit High
DTC P1074 ECU Does Not See Speed Sensor
DTC P1105 Barometric Pressure Read Solenoid Circuit malfunction
DTC P1106 MAP Sensor Circuit Interm High Voltage
DTC P1107 MAP Sensor Circuit Interm Low Voltage
DTC P1110 Decreased Engine Performance Due To High Intake Air Temperature
DTC P1111 IAT Sensor Circuit Interm High Voltage
DTC P1112 IAT Sensor Circuit Interm Low Voltage
DTC P1114 ECT Sensor Circuit Interm Low Voltage
DTC P1115 ECT Sensor Circuit Interm High Voltage
DTC P1121 TPS Circuit Interm High Voltage
DTC P1122 TPS Circuit Interm Low Voltage
DTC P1125 Accelerator Pedal Position System
DTC P1133 HO2S Insufficient Switching Bank 1 Sensor 1
DTC P1134 HO2S Insufficient Transition Time Ratio Bank 1 Sensor 1
DTC P1153 HO2S Insufficient Switching Bank 2 Sensor 1
DTC P1154 HO2S Insufficient Transition Time Ratio Bank 2 Sensor 1
DTC P1180 Decreased Engine Performance Due To High Injection Pump Fuel Temperature
DTC P1191 Intake Air Duct Leak
DTC P1192 Inlet Air Temperature Circuit Low
DTC P1193 Inlet Air Temperature Circuit High
DTC P1194 Incorrect or Irrational Performance Has Been Detected For The PWM
DTC P1195 Catalytic monitor slow upstream O2 sensor
DTC P1196 O2 Sensor 2/1 (Bank 2, Sensor 1) Slow During Catalyst Monitor
DTC P1197 O2 Sensor 1/2 (Bank 1, Sensor 2) Slow During Catalyst Monitor
DTC P1198 Radiator Temperature Sensor Voltage Too High
DTC P1199 Radiator Temperature Sensor Voltage Too Low
DTC P1216 Fuel Solenoid Response Time Too Short
DTC P1217 Fuel Solenoid Response Time Too Long
DTC P1218 Injection Pump Calibration Circuit
DTC P1243 Turbocharger Surge Valve Solenoid Control malfunction
DTC P1271 Accelerator Pedal Position Sensor 1-2 Correlation
DTC P1272 Accelerator Pedal Position Sensor 2-3 Correlation
DTC P1273 Accelerator Pedal Position Sensor 1-3 Correlation
DTC P1275 Accelerator Pedal Position Sensor 1 Circuit
DTC P1277 Accelerator Pedal Position Sensor 1 Low Voltage
DTC P1278 Accelerator Pedal Position Sensor 1 High Voltage
DTC P1280 Fuel System Relay Control Circuit malfunction
DTC P1281 Engine Operating Temperature Below Acceptable Range
DTC P1282 Fuel Pump Relay Control Circuit malfunction
DTC P1283 Idle Select Signal Invalid
DTC P1284 Fuel Injection Pump Battery Voltage Out Of Range
DTC P1285 Fuel Injection Pump Controller Always On
DTC P1286 Accelerator Pedal Position Sensor Supply Voltage Too High
DTC P1287 Fuel Injection Pump Controller Supply Voltage Low
DTC P1288 Intake Manifold Short Runner Solenoid Circuit malfunction
DTC P1289 Manifold Tune Valve Solenoid Circuit malfunction
DTC P1290 CNG Fuel Pressure Too High
DTC P1291 No Temperature Rise Seen From Fuel Heaters
DTC P1292 CNG Pressure Sensor Voltage Too High
DTC P1293 CNG Pressure Sensor Voltage Too Low
DTC P1294 Target Idle Not Reached
DTC P1295 Loss Of 5 Volts To TP Sensor
DTC P1296 Loss Of 5 Volts To MAP Sensor
DTC P1297 No Change In MAP From Start To Run
DTC P1298 Lean Operation At Wide Open Throttle
DTC P1299 Vacuum Leak Found (IAC Fully Seated)
DTC P1300 Ignition timing adjustment circuit failure
DTC P1388 Auto Shutdown (ASD) Relay Control Circuit malfunction
DTC P1389 No Auto Shutdown (ASD) Relay Output Voltage At PCM
DTC P1390 Timing Belt Skipped One Tooth Or More
DTC P1391 Intermittent Loss of CMP Or CKP
DTC P1398 PCM Is Unable To Learn The Crankshaft Position Sensor’s Signal
DTC P1399 Wait To Start Lamp Circuit malfunction
DTC P1403 Loss Of 5 Volts To EGR Sensor
DTC P1404 EGR Valve Closed Pintle Position
DTC P1406 EGR Valve Position
DTC P1409 EGR Valve System leak
DTC P1415 AIR System Bank 1
DTC P1416 AIR System Bank 1
DTC P1441 Evap Emissions Flow During Non-Purge
DTC P1475 Auxiliary 5 Volt Output Too High
DTC P1476 Too Little Secondary Air
DTC P1477 Too Much Secondary Air
DTC P1478 Battery Temp Sensor Voltage Out Of Limit
DTC P1479 Transmission Fan Relay Circuit malfunction
DTC P1480 PCV Solenoid Valve malfunction
DTC P1480 Positive Crankcase Ventilation (PCV) malfunction
DTC P1481 EATX RPM pulse generator signal for misfire detection
DTC P1482 Catalyst Temperature Sensor Circuit Shorted Low
DTC P1483 Catalyst Temperature Sensor Circuit Shorted High
DTC P1484 Catalytic Converter Overheat Detected
DTC P1485 Air Injection Solenoid Circuit malfunction
DTC P1486 Evap Leak Monitor Pinched Hose
DTC P1487 High Speed Rad Fan CTRL Relay Circuit malfunction
DTC P1488 Auxiliary 5 Volt Supply Output Too Low
DTC P1489 High Speed Fan CTRL Relay Circuit malfunction
DTC P1490 Low Speed Fan CTRL Relay Circuit malfunction
DTC P1491 Radiator Fan Control Relay Circuit malfunction
DTC P1492 Battery Temperature Sensor Voltage Too High
DTC P1493 Battery Temperature Sensor Voltage Too Low
DTC P1494 Leak Detection Pump Switch or Mechanical Fault
DTC P1495 Leak Detection Pump Solenoid Circuit malfunction
DTC P1496 5 Volt Supply Output Too Low
DTC P1498 High speed Rad Fan Ground CTRL Rly Circuit
DTC P1499 Hydraulic Cooling Fan Solenoid Control malfunction
DTC P1500 General Alternator “FR” terminal circuit fault
DTC P1508 IAC System Low RPM
DTC P1509 IAC System Hi RPM
DTC P1594 Charging System Voltage Too High
DTC P1595 Speed Control Solenoid Circuit malfunction
DTC P1596 Speed Control Switch Always High
DTC P1597 Speed Control Switch Always Low
DTC P1598 A/C Pressure Sensor Voltage Too High
DTC P1599 A/C Pressure Sensor Voltage Too Low
DTC P1602 PCM Not Programmed
DTC P1621 PCM Memory Performance or Write
DTC P1626 Vehicle Theft System Control Loss of Data
DTC P1627 A/D Performance
DTC P1630 Vehicle Theft System PCM in Learn Mode
DTC P1631 Vehicle Theft System Improper Password
DTC P1635 5V Ref Circuit
DTC P1639 5V Ref Circuit
DTC P1641 MIL Control Circuit
DTC P1643 Wait To Start Lamp Control Circuit
DTC P1646 5V Ref Circuit
DTC P1652 J1850 Communications Bus
DTC P1653 EGR Vent Solenoid Control Circuit
DTC P1654 Service Throttle Soon Lamp Control Circuit
DTC P1655 EGR Solenoid Control Circuit
DTC P1656 Wastegate Solenoid Control Circuit
DTC P1680 Clutch Released Switch Circuit malfunction
DTC P1681 No Instrument Panel Cluster CCD/J1850 Messages Received
DTC P1682 Charging System Voltage Too Low
DTC P1683 Speed Control Power Relay Or Speed Control 12 Volt Driver Circuit malfunction
DTC P1684 Battery Disconnected Within Last 50 Starts
DTC P1685 Skim Invalid Key
DTC P1686 No SKIM Bus Message Received
DTC P1687 No Cluster Bus Message
DTC P1688 Internal Fuel Injection Pump Controller Failure
DTC P1689 No Communication Between ECM & Injection Pump Module
DTC P1690 Fuel injection pump crank sensor does not agree with ECM crank sensor
DTC P1691 Fuel Injection Pump Controller Calibration Failure
DTC P1692 Fault in companion engine control module
DTC P1693 A companion DTC code was set in both ECM and PCM
DTC P1694 No CCD Messages Received From ECM
DTC P1695 No CCD/J185O Message From Body Control Module (BCM)
DTC P1696 PCM Failure EEPROM Write Denied
DTC P1697 PCM Failure SRI Mile Not Stored
DTC P1698 No CCD message from transaxle to PCM (check harness)
DTC P1699 No CCD/J1850 Messages Received From The Climate Control Module (CCM)
DTC P1719 Skip Shift Solenoid Circuit malfunction
DTC P1740 TCC Solenoid or Overdrive Solenoid performance
DTC P1756 Governor Pressure Not Equal To Target At 15-20 PSI
DTC P1757 Governor presdure is above 3 psi when 0 psi is requested
DTC P1762 Governor Pressure Sensor Offset Improper Voltage
DTC P1763 Governor Pressure Sensor Voltage Too High
DTC P1764 Governor Pressure Sensor Voltage Too Low
DTC P1765 Transmissin 12 volt supply relay control circuit malfunction
DTC P1800 Automated-M/T Fail(Relay OFF)
DTC P1830 Clutch Pedal Switch Over-Ride Relay Control malfunction
DTC P1899 Park/Neutral Position Switch Stuck In Park or In Gear
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 Jeep OBD2 trouble codes.
Stay tuned for more informative content on maintaining and enhancing your automotive experience.