DIAGNOSTIC TROUBLE CODE IDENTIFICATION
| DTC | Description |
|---|---|
| P0101 | Mass Or Volume Airflow Circuit Range/Performance Malfunction |
| P0102 | Mass Or Volume Airflow Sensor Circuit Low Input |
| P0103 | Mass Or Volume Airflow Sensor Circuit High Input |
| P0106 | Manifold Absolute Pressure Sensor (EGR System Open/Short) |
| P0107 | Manifold Absolute Pressure Sensor (EGR System Mode 3) |
| P0108 | Manifold Absolute Pressure Sensor (EGR System Mode 2) |
| P0112 | Intake Air Temperature Circuit Low Input |
| P0113 | Intake Air Temperature Circuit High Input |
| P0116 | Engine Coolant Temperature Circuit Range/Performance Malfunction |
| P0117 | Engine Coolant Temperature Circuit Low Input |
| P0118 | Engine Coolant Temperature Circuit High Input |
| P0121 | Throttle Position Sensor Circuit Range/Performance Malfunction |
| P0122 | Throttle Position Sensor Circuit Low Input |
| P0123 | Throttle Position Sensor Circuit High Input |
| P0125 | Insufficient Coolant Temperature For Closed Loop Fuel Control |
| P0128 | Coolant Thermostat Stuck |
| P0130 | Front Heated Oxygen Sensor Circuit Open |
| P0131 | Front Heated Oxygen Sensor Circuit Short To Ground |
| P0132 | Front Heated Oxygen Sensor Circuit Short To 5V |
| P0133 | Front Heated Oxygen Sensor Circuit Slow Response |
| P0134 | Front Heated Oxygen Sensor Circuit No activity Detected |
| P0135 | Front Heated Oxygen Sensor Heater Circuit Malfunction |
| P0136 | Rear Heated Oxygen Sensor Circuit Open |
| P0137 | Rear Heated Oxygen Sensor Circuit Short To Ground |
| P0138 | Rear Heated Oxygen Sensor Circuit Short To 5V |
| P0139 | Rear Heated Oxygen Sensor Circuit Malfuntion |
| P0140 | Rear Heated Oxygen Sensor Circuit-Stick |
| P0141 | Rear Heated Oxygen Sensor Heater Circuit Malfunction |
| P0171 | Fuel System Too Lean |
| P0172 | Fuel System Too Rich |
| P0181 | Difference Of Fuel Temperature and Engine Coolant Temperature At Start Is Too Large |
| P0182 | Fuel Temperature Circuit Low Input |
| P0183 | Fuel Temperature Circuit High Input |
| P0201 | Fuel Injector No. 1 Circuit Malfunction |
| P0202 | Fuel Injector No. 2 Circuit Malfunction |
| P0203 | Fuel Injector No. 3 Circuit Malfunction |
| P0204 | Fuel Injector No. 4 Circuit Malfunction |
| P0300 | Random Misfire Detected |
| P0301 | Cylinder No. 1 Misfire Detected |
| P0302 | Cylinder No. 2 Misfire Detected |
| P0303 | Cylinder No. 3 Misfire Detected |
| P0304 | Cylinder No. 4 Misfire Detected |
| P0320 | Ignition Failure System Circuit Malfunction |
| P0325 | Knock Sensor Circuit Malfunction |
| P0335 | Crankshaft Position Sensor Circuit Malfunction |
| P0340 | Camshaft Position Sensor Circuit Malfunction |
| P0350 | Ignition Coil Primary/Secondary Circuit Malfunction |
| P0401 | EGR System Malfunction |
| P0403 | EGR System Solenoid Valve Circuit Malfunction |
| P0421 | Main Catalyst Efficiency Deterioration |
| P0441 | EVAP Emission Control System Purge Control Valve Stuck Open |
| P0442 | EVAP Emission Control System Small Leak Detected (1.0mm) |
| P0443 | EVAP Emission Control System Purge Control Solenoid Valve Circuit Malfunction |
| P0446 | EVAP Emission Control System Vent Circuit Malfunction |
| P0451 | EVAP Emission Control System Pressure Sensor Range/Performance Malfunction |
| P0452 | EVAP Emission Control System Pressure Sensor Low Input |
| P0453 | EVAP System Emission Control Pressure Sensor High Input |
| P0455 | EVAP Emission Control System Large Leak Detected |
| P0456 | EVAP Emission Control System Small Leak Detected (0.5mm) |
| P0460 | Fuel Lever Sensor Circuit Malfunction |
| P0462 | Fuel Level Sensor Low-Stick |
| P0463 | Fuel Level Sensor High-Stick |
| P0500 | Vehicle Speed Sensor Circuit Malfunction |
| P0506 | Idle Control System RPM Lower than Expected |
| P0507 | Idle Control System RPM Higher than Expected |
| P0551 | Power Steering Pressure Switch Malfunction |
| P0560 | Battery Backup Line Malfunction |
| P1330 | Spark Timing Adjustment |
DIAGNOSTIC TROUBLE CODE INDEX
ECM OR E/TCM LOCATION & CONNECTORS IDENTIFICATION
Note. Control Module is referred to as Engine/Transaxle Control Module (E/TCM) for Optima & Magentis (Canadian) with automatic transaxle (A/T). and Engine Control Module (ECM) for Optima & Magentis (Canadian) with manual transaxle (M/T).
E/TCM or ECM is located forward of center console, under dash. (Scheme 22)
