Navigating the intricacies of Subaru 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 Subaru automobiles.
OBD2 Powertrain Diagnostic Trouble Codes List:
- DTC P1086 Subaru Tumble generator valve #2 (LH) position sensor circuit low input
- DTC P1087 Subaru Tumble generator valve #2 (LH) position sensor circuit high input
- DTC P1088 Subaru Tumble generator valve #1 (RH) position sensor circuit low input
- DTC P1089 Subaru Tumble generator valve #1 (RH) position sensor circuit high input
- DTC P1090 Subaru Tumble generator valve #1 (RH) malfunction (stuck open)
- DTC P1091 Subaru Tumble generator valve #1 (RH) malfunction (stuck close)
- DTC P1092 Subaru Tumble generator valve #2 (LH) malfunction (stuck open)
- DTC P1093 Subaru Tumble generator valve #2 (LH) malfunction (stuck close)
- DTC P1094 Subaru Tumble generator valve circuit #1 (open circuit)
- DTC P1095 Subaru Tumble generator valve circuit #1 (over current)
- DTC P1096 Subaru Tumble generator valve circuit #2 (open circuit)
- DTC P1097 Subaru Tumble generator valve circuit #2 (over current)
- DTC P1100 Subaru Starter Switch Circuit Malfunction
- DTC P1101 Subaru Neutral Position Switch Circuit High Input (A/T)
- DTC P1101 Subaru Neutral Position Switch Circuit Malfunction (M/T)
- DTC P1102 Subaru Pressure Sources Solenoid Valve Circuit Malfunction
- DTC P1103 Subaru Pressure Sources Switching Solenoid Valve Circuit
- DTC P1104 Subaru Engine Torque Control Signal Circuit Malfunction
- DTC P1106 Subaru Engine Torque Control Signal 2 Circuit Malfunction
- DTC P1110 Subaru Atmospheric pressure sensor low input
- DTC P1111 Subaru Atmospheric pressure sensor high input
- DTC P1112 Subaru Atmospheric pressure sensor range/performance problem
- DTC P1115 Subaru Engine Torque Control Cut Signal Circuit High Input
- DTC P1116 Subaru Engine Torque Control Cut Signal Circuit Low Input
- DTC P1120 Subaru Starter Switch High Input
- DTC P1121 Subaru Neutral Position Switch Circuit High Input [MT Vehicles]
- DTC P1121 Subaru Neutral Position Switch Circuit Low Input [AT Vehicles]
- DTC P1122 Subaru Pressure Sources Switching Valve Circuit High Input
- DTC P1124 Subaru TCS Signal Circuit High Input
- DTC P1130 Subaru Front oxygen sensor circuit malfunction (open circuit)
- DTC P1131 Subaru Front oxygen sensor circuit malfunction (short circuit)
- DTC P1134 Subaru Front oxygen (A/F) sensor microcomputer problem
- DTC P1137 Subaru Front oxygen (A/F) sensor circuit range/performance problem
- DTC P1139 Subaru Front oxygen (A/F) sensor #1 heater circuit performance/range problem
- DTC P1141 Subaru Mass Air Flow Sensor Circuit High Input
- DTC P1142 Subaru Mass Air Flow Sensor Circuit Low Input
- DTC P1143 Subaru Pressure Sensor Circuit Low Input
- DTC P1144 Subaru Pressure Sensor Circuit High Input
- DTC P1146 Subaru Pressure sensor circuit range/performance problem (high input)
- DTC P1150 Subaru Front Oxygen Sensor Heater Circuit High Input
- DTC P1151 Subaru Rear Oxygen Sensor Heater Circuit High Input
- DTC P1230 Subaru Fuel pump control unit malfunction
- DTC P1244 Subaru Wastegate control solenoid valve malfunction (low input)
- DTC P1245 Subaru Wastegate control solenoid valve malfunction (fail-safe)
- DTC P1301 Subaru Fire due to increased exhaust temperature
- DTC P1312 Subaru Exhaust temperature sensor malfunction
- DTC P1325 Subaru Knock Sensor Circuit Low Input
- DTC P1400 Subaru Fuel Tank Pressure Control Solenoid Low Input
- DTC P1420 Subaru Fuel Tank Pressure Control Solenoid High Input
- DTC P1421 Subaru Subaru Exhaust Gas Recirculation Circuit High Input
- DTC P1422 Subaru EVAP Purge Control Valve Circuit High Input
- DTC P1423 Subaru EVAP Vent Control High Input
- DTC P1440 Subaru Fuel Tank Pressure Control System Low Input
- DTC P1441 Subaru Fuel Tank Pressure Control System High Input
- DTC P1442 Subaru Fuel Level Sensor Circuit Range/Perf
- DTC P1443 Subaru EVAP Control System Vent Control Function Problem
- DTC P1480 Subaru Cooling fan relay 1 circuit high input
- DTC P1500 Subaru Radiator Fan Relay 1 Circuit Malfunction
- DTC P1501 Subaru Idle Control System Malfunction (Fail Safe)
- DTC P1502 Subaru Radiator Fan Function Problem
- DTC P1507 Subaru Idle Control System Malfunction (Fail Safe)
- DTC P1510 Subaru Idle Air Control Solenoid Signal 1 Circuit Low Input
- DTC P1511 Subaru Idle Air Control Solenoid Signal 1 Circuit High Input
- DTC P1512 Subaru Idle Air Control Solenoid Signal 2 Circuit Low Input
- DTC P1513 Subaru Idle Air Control Solenoid Signal 2 Circuit High Input
- DTC P1514 Subaru Idle Air Control Solenoid Signal 3 Circuit Low Input
- DTC P1515 Subaru Idle Air Control Solenoid Signal 3 Circuit High Input
- DTC P1516 Subaru Idle Air Control Solenoid Signal 4 Circuit Low Input
- DTC P1517 Subaru Idle Air Control Solenoid Signal 4 Circuit High Input
- DTC P1518 Subaru Starter switch circuit low input
- DTC P1520 Subaru Radiator Fan Relay 1 Circuit High Input
- DTC P1540 Subaru Vehicle Speed Sensor Malfunction
- DTC P1544 Subaru High exhaust temperature detected
- DTC P1560 Subaru Back-Up Voltage Circuit Malfunction
- DTC P1590 Subaru Neutral position switch circuit high input
- DTC P1591 Subaru Neutral position switch circuit low input
- DTC P1592 Subaru Neutral position switch circuit (MT model)
- DTC P1594 Subaru Automatic transmission diagnosis input signal circuit malfunction
- DTC P1595 Subaru Automatic transmission diagnosis input signal circuit low input
- DTC P1596 Subaru Automatic transmission diagnosis input signal circuit high input
- DTC P1698 Subaru Engine torque control cut signal circuit low input
- DTC P1699 Subaru Engine torque control cut signal circuit high input
- DTC P1700 Subaru Throttle Position Sensor Circuit Malfunction (A/T)
- DTC P1703 Subaru Low clutch timing control solenoid valve circuit malfunction
- DTC P1704 Subaru 2-4 Brake Timing Solenoid Valve Circuit Malfunction
- DTC P1705 Subaru 2-4 Brake Pressure Solenoid Valve (Solenoid D) Circuit
- DTC P1711 Subaru Engine torque control signal 1 circuit malfunction
- DTC P1712 Subaru Engine torque control signal 2 circuit malfunction
- DTC P1722 Subaru Auto Trans Diagnosis Input Signal High Input
- DTC P1742 Subaru Auto Trans Diagnosis Input Signal Malfunction
- DTC P2000 Subaru Diesel Particulate Filter (DPF) failure
- DTC P2006 Subaru Intake manifold runner control actuator failure
- DTC P2101 Subaru Accelerator Pedal Position (APP) assembly failure
- DTC P2181 Subaru Engine coolant heater failure
- DTC P2210 Subaru NOx sensor failure
- DTC P2213 Subaru NOx sensor failure
- DTC P2237 Subaru Exhaust leakOxygen sensor failure
- DTC P2302 Subaru Ignition coil failure
- DTC P2401 Subaru Evap leak detection pump failure
- DTC P2422 Subaru EVAP vent valve failure
- DTC P2431 Subaru Air control solenoid failure
- DTC P2500 Subaru Alternator failure
- DTC P2501 Subaru Alternator failure,
- DTC P250C Subaru Oil level sensor failure
- DTC P2601 Subaru Coolant Heat Storage (CHS) water pump failure
- DTC P2607 Subaru Intake air heater
- DTC P2706 Subaru Transmission Control Module (TCM) failure
- DTC P2711 Subaru Internal transmission failure
- DTC P2714 Subaru Transmission Control Module (TCM) failure
- DTC P2A00 Subaru Oxygen sensor failure
- DTC P2BA8 Subaru Faulty NOx Sensors
- DTC P3000 Subaru Fuel level is too low
- DTC P3100 Subaru High voltage powertrain control module failure
- DTC P3400 Subaru Faulty Cylinder Deactivation System
- DTC P3401 Subaru Engine oil level is too low
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 Subaru OBD2 trouble codes.
Stay tuned for more informative content on maintaining and enhancing your automotive experience.