Engine DTCS
NOTE:
Retrieval of some diagnostic codes may require the use of special OEM tester or flash method using instrument cluster indicator. For procedures/testing of codes not shown below, refer to appropriate system article.
ENGINE PERFORMANCE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (2.5L)
| DTC | Description |
|---|---|
| P0031 | Front Oxygen Sensor (A/F) Heater Circuit Low Input |
| P0032 | Front Oxygen Sensor (A/F) Heater Circuit High Input |
| P0037 | Rear Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction |
| P0037 | Rear Heated Oxygen Sensor (HO2S) Heater Circuit Low Input |
| P0038 | Rear Heated Oxygen Sensor (HO2S) Heater Circuit High Input |
| P0065 | Air Assist Injector Solenoid Valve Malfunction |
| P0066 | Air Assist Injector Solenoid Valve Circuit Low Input |
| P0067 | Air Assist Injector Solenoid Valve Circuit High Input |
| P0106 | Pressure Sensor Circuit Range/Performance Problem (Low Input) |
| P0107 | Pressure Sensor Circuit Low Input |
| P0108 | Pressure Sensor Circuit High Input |
| P0111 | Intake Air Temperature (IAT) Sensor Circuit Range/Performance Problem |
| P0112 | Intake Air Temperature (IAT) Sensor Circuit Low Input |
| P0113 | Intake Air Temperature (IAT) Sensor Circuit High Input |
| P0117 | Engine Coolant Temperature (ECT) Sensor Circuit Low Input |
| P0118 | Engine Coolant Temperature (ECT) Sensor Circuit High Input |
| P0121 | Throttle Position (TP) Sensor Circuit Range/Performance Problem (High Input) |
| P0122 | Throttle Position (TP) Sensor Circuit Low Input |
| P0123 | Throttle Position (TP) Sensor Circuit High Input |
| P0125 | Insufficient Coolant Temperature For Closed Loop Fuel Control |
| P0128 | Thermostat Malfunction |
| P0130 | Front Oxygen Sensor (A/F) Circuit Range/Performance Problem (Lean) |
| P0131 | Front Oxygen Sensor (A/F) Circuit Malfunction (Open Circuit) |
| P0132 | Front Oxygen Sensor (A/F) Circuit Malfunction (Short Circuit) |
| P0133 | Front Oxygen Sensor (A/F) Circuit Slow Response |
| P0136 | Rear Heated Oxygen Sensor (HO2S) Circuit Malfunction |
| P0137 | Rear Heated Oxygen Sensor (HO2S) Circuit Low Input |
| P0138 | Rear Heated Oxygen Sensor (HO2S) Circuit High Input |
| P0139 | Rear Heated Oxygen Sensor (HO2S) Circuit Slow Response |
| P0171 | Fuel Trim Malfunction (A/F Too Lean) |
| P0172 | Fuel Trim Malfunction (A/F Too Rich) |
| P0181 | Fuel Temperature Sensor "A" Circuit Range/Performance Problem |
| P0182 | Fuel Temperature Sensor "A" Circuit Low Input |
| P0183 | Fuel Temperature Sensor "A" Circuit High Input |
| P0183 | Fuel Temperature Sensor "A" Circuit High Input |
| P0301 | Cylinder No. 1 Misfire Detected |
| P0302 | Cylinder No. 2 Misfire Detected |
| P0303 | Cylinder No. 3 Misfire Detected |
| P0304 | Cylinder No. 4 Misfire Detected |
| P0327 | Knock Sensor (KS) Circuit Low Input |
| P0328 | Knock Sensor (KS) Circuit High Input |
| P0335 | Crankshaft Position (CKP) Sensor Circuit Malfunction |
| P0336 | Crankshaft Position (CKP) Sensor Circuit Range/Performance Problem |
| P0340 | Camshaft Position (CMP) Sensor Circuit Malfunction |
| P0341 | Camshaft Position (CMP) Sensor Circuit Range/Performance Problem |
| P0420 | Catalyst System Efficiency Below Threshold (Legacy & Outback |
| P0442 | EVAP System Malfunction |
| P0444 | EVAP System Purge Control Valve Circuit Low Input |
| P0445 | EVAP System Purge Control Valve Circuit High Input |
| P0447 | EVAP System Vent Control Circuit Low Input |
| P0448 | EVAP System Vent Control Circuit High Input |
| P0451 | EVAP System Pressure Sensor Range/Performance Problem |
| P0452 | EVAP System Pressure Sensor Low Input (Legacy & Outback) |
| P0453 | EVAP System Pressure Sensor High Input (Legacy & Outback) |
| P0456 | EVAP System Malfunction |
| P0457 | EVAP System Malfunction |
| P0458 | EVAP System Purge Control Valve Circuit Low Input |
| P0459 | EVAP System Purge Control Solenoid Valve Circuit High Input |
| P0461 | Fuel Level Sensor Circuit Range/Performance Problem |
| P0462 | Fuel Level Sensor Circuit Low Input |
| P0462 | Fuel Level Sensor Circuit Low Input |
| P0463 | Fuel Level Sensor Circuit High Input |
| P0463 | Fuel Level Sensor Circuit High Input |
| P0464 | Fuel Level Sensor Circuit Intermittent Input |
| P0464 | Fuel Level Sensor Circuit Intermittent Input |
| P0480 | Cooling Fan Relay No. 1 Circuit Low Input |
| P0483 | Cooling Fan Function Problem |
| P0500 | Vehicle Speed Sensor (VSS) Malfunction (Legacy & Outback) |
| P0506 | Idle Control System RPM Lower Than Expected |
| P0507 | Idle Control System RPM Higher Than Expected |
| P0512 | Starter Switch Circuit High Input |
| P0604 | Internal Control Module Memory Check Sum Error |
| P0691 | Cooling Fan Relay No. 1 Circuit Low Input |
| P0692 | Cooling Fan Relay No. 1 Circuit High Input |
| P0703 | Brake Switch Input Malfunction (A/T) |
| P0731 | Gear 1 Incorrect Ratio (A/T) |
| P0732 | Gear 2 Incorrect Ratio (A/T) |
| P0733 | Gear 3 Incorrect Ratio (A/T) |
| P0734 | Gear 4 Incorrect Ratio (A/T) |
| P0741 | Torque Converter Clutch System Malfunction (A/T) |
| P0851 | Inhibitor Switch Circuit Low Input (A/T) (Legacy & Outback) |
| P0851 | Neutral Position Switch Circuit Low Input (M/T) (Legacy & Outback) |
| P0852 | Inhibitor Switch Circuit High Input (A/T) (Legacy & Outback) |
| P0852 | Neutral Position Switch Circuit High Input (M/T) (Legacy & Outback) |
| P0864 | A/T Diagnosis Input Signal Circuit Malfunction |
| P0865 | A/T Diagnosis Input Signal Circuit Low Input |
| P0866 | A/T Diagnosis Input Signal Circuit High Input |
| P1110 | Atmospheric Pressure Sensor Circuit Low Input (Legacy & Outback) |
| P1111 | Atmospheric Pressure Sensor Circuit High Input (Legacy & Outback) |
| P1112 | Atmospheric Pressure Sensor Circuit Range/Performance Problem (Legacy & Outback) |
| P1137 | Front Oxygen Sensor (A/F) Circuit Range/Performance Problem |
| P1142 | Throttle Position (TP) Sensor Circuit Range/Performance Problem (Low Input) |
| P1146 | Pressure Sensor Circuit Range/Performance Problem (High Input) |
| P1400 | Fuel Tank Pressure Control Solenoid Valve Circuit Low Input |
| P1420 | Fuel Tank Pressure Control Solenoid Valve Circuit High Input |
| P1442 | Fuel Level Sensor Circuit Range/Performance Problem 2 |
| P1443 | EVAP System Vent Control Function Problem |
| P1446 | EVAP System Atmospheric Pressure Solenoid Valve Circuit Low Input |
| P1447 | EVAP System Atmospheric Pressure Solenoid Valve Circuit High Input |
| P1448 | EVAP System Atmospheric Pressure Solenoid Valve Circuit Range/Performance Problem |
| P1480 | Cooling Fan Relay No. 1 Circuit High Input |
| P1507 | Idle Control System Malfunction (Fail-Safe) |
| P1510 | Idle Air Control (IAC) Solenoid Valve Signal No. 1 Circuit Low Input |
| P1511 | Idle Air Control (IAC) Solenoid Valve Signal No. 1 Circuit High Input |
| P1512 | Idle Air Control (IAC) Solenoid Valve Signal No. 2 Circuit Low Input |
| P1513 | Idle Air Control (IAC) Solenoid Valve Signal No. 2 Circuit High Input |
| P1514 | Idle Air Control (IAC) Solenoid Valve Signal No. 3 Circuit Low Input |
| P1515 | Idle Air Control (IAC) Solenoid Valve Signal No. 3 Circuit High Input |
| P1516 | Idle Air Control (IAC) Solenoid Valve Signal No. 4 Circuit Low Input |
| P1517 | Idle Air Control (IAC) Solenoid Valve Signal No. 4 Circuit High Input |
| P1518 | Starter Switch Circuit Low Input |
| P1540 | Vehicle Speed Sensor (VSS) Malfunction 2 |
| P1560 | Back-Up Voltage Circuit Malfunction |
| P1590 | Inhibitor Switch Circuit High Input (A/T) |
| P1591 | Inhibitor Switch Circuit Low Input (A/T) |
| P1592 | Neutral Position Switch Circuit Malfunction (M/T) |
| P1594 | A/T Diagnosis Input Signal Circuit Malfunction |
| P1595 | A/T Diagnosis Input Signal Circuit Low Input |
| P1596 | A/T Diagnosis Input Signal Circuit High Input |
| P1698 | Engine Torque Control Cut Signal Circuit Low Input (A/T) |
| P1699 | Engine Torque Control Cut Signal Circuit High Input (A/T) |
| P1701 | Cruise Control Set Signal Circuit Malfunction (A/T) |
| P1711 | Engine Torque Control Signal No. 1 Circuit Malfunction (A/T) |
| P1712 | Engine Torque Control Signal No. 2 Circuit Malfunction (A/T) |