Diagnostic Trouble Code Definitions
WARNING: This page is about a different car, the 2002 Subaru Outback and 2002 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE DEFINITIONS
| Code No. | Circuit Affected | ||
|---|---|---|---|
| P0031 | Bank No. 1 (Right), No. 1 HO2S (Front) Heater Circuit Low Input | ||
| P0032 | Bank No. 1 (Right), No. 1 HO2S (Front) Heater Circuit High Input | ||
| P0037 | Bank No. 1 (Right), No. 2 HO2S (Rear) Heater Circuit Low Input | ||
| P0038 | Bank No. 1 (Right), No. 2 HO2S (Rear) Heater Circuit High Input | ||
| P0051 | Bank No. 2 (Left), No. 1 HO2S (Front) Heater Circuit Low Input | ||
| P0052 | Bank No. 2 (Left), No. 1 HO2S (Front) Heater Circuit High Input | ||
| P0106 | Intake Manifold Pressure Sensor Circuit Range/Performance Problem | ||
| P0107 | Intake Manifold Pressure Sensor Circuit Low Input | ||
| P0108 | Intake Manifold 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 | ||
| P0131 | Bank No. 1 (Right), No. 1 HO2S (Front) Circuit Malfunction (Open Circuit) | ||
| P0132 | Bank No. 1 (Right), No. 1 HO2S (Front) Circuit Malfunction (Short Circuit) | ||
| P0133 | Bank No. 1 (Right), No. 1 HO2S (Front) Circuit Slow Response | ||
| P0137 | Bank No. 1 (Right), No. 2 HO2S (Rear) Circuit Low Input | ||
| P0138 | Bank No. 1 (Right), No. 2 HO2S (Rear) Circuit High Input | ||
| P0139 | Bank No. 1 (Right), No. 2 HO2S (Rear) Circuit Slow Response | ||
| P0151 | Bank No. 2 (Left), No. 1 HO2S (Front) Circuit Malfunction (Open Circuit) | ||
| P0152 | Bank No. 2 (Left), No. 1 HO2S (Front) Circuit Malfunction (Short Circuit) | ||
| P0153 | Bank No. 2 (Left), No. 1 HO2S (Front) Circuit Slow Response | ||
| P0171 | Fuel Trim No. 1 (Right Bank), Malfunction (HO2S Too Lean) | ||
| P0172 | Fuel Trim No. 1 (Right Bank), Malfunction (HO2S Too Rich) | ||
| P0174 | Fuel Trim No. 2 (Left Bank), Malfunction (HO2S Too Lean) | ||
| P0175 | Fuel Trim No. 2 (Left Bank), Malfunction (HO2S 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 | ||
| P0301 | Cylinder No. 1 Misfire Detected | ||
| P0302 | Cylinder No. 2 Misfire Detected | ||
| P0303 | Cylinder No. 3 Misfire Detected | ||
| P0304 | Cylinder No. 4 Misfire Detected | ||
| P0305 | Cylinder No. 5 Misfire Detected | ||
| P0306 | Cylinder No. 6 Misfire Detected | ||
| P0327 | Knock Sensor (KS) No. 1 (Right Bank), Circuit Low Input | ||
| P0328 | Knock Sensor (KS) No. 1 (Right Bank), Circuit High Input | ||
| P0332 | Knock Sensor (KS) No. 2 (Left Bank), Circuit Low Input | ||
| P0333 | Knock Sensor (KS) No. 2 (Left Bank), 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 | ||
| P0400 | EGR System Malfunction | ||
| P0420 | Catalyst System Efficiency Below Threshold | ||
| P0442 | Evaporative Emission Control System Malfunction | ||
| P0447 | Evaporative Emission Control System Vent Control Low Input | ||
| P0448 | Evaporative Emission Control System Vent Control High Input | ||
| P0451 | Evaporative Emission Control System Pressure Sensor Range/Performance Problem | ||
| P0452 | Evaporative Emission Control System Pressure Sensor Low Input | ||
| P0453 | Evaporative Emission Control System Pressure Sensor High Input | ||
| P0457 | Evaporative Emission Control System Malfunction | ||
| P0458 | Evaporative Emission Control Purge Control Valve Circuit Low Input | ||
| P0459 | Evaporative Emission Control Purge Control Valve Circuit high Input | ||
| P0461 | Fuel Level Sensor Circuit Range/Performance Problem | ||
| P0462 | Fuel Level Sensor Circuit Low Input | ||
| P0463 | Fuel Level Sensor Circuit High Input | ||
| P0464 | Fuel Level Sensor Intermittent Input | ||
| P0483 | Cooling Fan Function Problem | ||
| P0500 | Vehicle Speed Sensor (VSS) Malfunction | ||
| P0506 | Idle Control System RPM Lower Than Expected | ||
| P0507 | Idle Control System RPM Higher Than Expected | ||
| P0508 | Idle Control System Circuit Low Input | ||
| P0509 | Idle Control System Circuit High Input | ||
| P0512 | Starter Switch Circuit High Input | ||
| P0604 | Internal Control Module Memory Check Sum Error | ||
| P0661 | Induction Valve Control Solenoid Circuit Low Input | ||
| P0662 | Induction Valve Control Solenoid Circuit High Input | ||
| P0691 | Cooling Fan Relay No. 1 Circuit Low Input | ||
| P0692 | Cooling Fan Relay No. 1 Circuit High Input | ||
| P0703 (1) | Brake Switch Input Malfunction | ||
| P0731 (1) | Gear 1 Incorrect Ratio | ||
| P0732 (1) | Gear 2 Incorrect Ratio | ||
| P0733 (1) | Gear 3 Incorrect Ratio | ||
| P0734 (1) | Gear 4 Incorrect Ratio | ||
| P0741 (1) | Torque Converter Clutch System Malfunction (A/T) | ||
| P0851 (1) | Neutral Position Switch Circuit Low Input | ||
| P0852 (1) | Neutral Position Switch Circuit High Input | ||
| P0864 (1) | Automatic Transmission Diagnosis Input Signal Circuit Malfunction | ||
| P0865 (1) | Automatic Transmission Diagnosis Input Signal Circuit Low Input | ||
| P0866 (1) | Automatic Transmission Diagnosis Input Signal Circuit High Input | ||
| P1110 | Atmospheric Pressure Sensor Low Input | ||
| P1111 | Atmospheric Pressure Sensor High Input | ||
| P1112 | Atmospheric Pressure Sensor Range/Performance Problem | ||
| P1134 | Front HO2S Micro-Computer Problem | ||
| P1139 | Bank No. 1 (Right), No. 1 HO2S (Front) Heater Circuit Range/Performance Problem | ||
| P1140 | Bank No. 2 (Left), No. 1 HO2S (Front) Heater Circuit Range/Performance Problem | ||
| P1142 | Throttle Position (TP) Sensor Circuit Range/Performance Problem (Low Input) | ||
| P1146 | Pressure Sensor Circuit Range/Performance Problem (High Input) | ||
| P1152 | Bank No. 1 (Right), No. 1 HO2S (Front) Circuit Range/Performance Problem (Low Input) | ||
| P1153 | Bank No. 1 (Right), No. 1 HO2S (Front) Circuit Range/Performance Problem (High Input) | ||
| P1154 | Bank No. 2 (Left), No. 1 HO2S (Front) Circuit Range/Performance Problem (Low Input) | ||
| P1155 | Bank No. 2 (Left), No. 1 HO2S (Front) 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 | ||
| P1443 | Evaporative Emission Control System Vent Control Function Problem | ||
| P1507 | Idle Control System Malfunction (Fail-Safe) | ||
| P1518 | Starter Switch Circuit Low Input | ||
| P1560 | Back-Up Voltage Circuit Malfunction | ||
| P1698 (1) | Engine Torque Control Cut Signal Circuit Low Input | ||
| P1699 (1) | Engine Torque Control Cut Signal Circuit High Input | ||
| P1700 (1) | Throttle Position (TP) Sensor Circuit Malfunction (A/T) | ||
| P1701 (1) | Cruise Control Set Signal Circuit Malfunction (A/T) | ||
| P1703 (1) | Low Clutch Timing Control Solenoid Valve Circuit Malfunction (A/T) | ||
| P1711 (1) | Engine Torque Control Signal No. 1 Circuit Malfunction | ||
| P1712 (1) | Engine Torque Control Signal No. 2 Circuit Malfunction | ||
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