DTC Definitions
- The DTCs indicate failure of a specific sensor and/or circuit. Sensor/circuit diagnosis may indicate replacement of PCM.
- If PCM is replaced at any point during diagnostic testing and if condition is still not corrected after replacing PCM, the following may be the cause:
- An incorrect PCM may cause a malfunction, which may or may not set a DTC.
- The PCM connector may be the problem. Connector terminals may have to be removed from connector to be properly checked.
- Replacement PCM may be faulty.
- Intermittent problem. Make a careful physical inspection of affected sensor/circuit.
- A shorted solenoid, coil relay, or harness may be the cause of PCM failure. Use Short Circuit Tester (J-34636) to check for short circuits.
DTC IDENTIFICATION
| DTC | Description | Type |
|---|---|---|
| P0101 | Mass Airflow (MAF) Sensor System Performance | B |
| P0102 | Mass Airflow (MAF) Sensor Circuit Low Frequency | A |
| P0103 | Mass Airflow (MAF) Sensor Circuit High Frequency | A |
| P0111 | Intake Air Temperature (IAT) Sensor Performance | B |
| P0112 | Intake Air Temperature (IAT) Sensor Circuit Low Voltage | A |
| P0113 | Intake Air Temperature (IAT) Sensor Circuit High Voltage | A |
| P0116 | Engine Coolant Temperature (ECT) Sensor Performance | B |
| P0117 | Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage | A |
| P0118 | Engine Coolant Temperature (ECT) Sensor Circuit High Voltage | A |
| P0121 | Throttle Position (TP) Sensor Performance | B |
| P0122 | Throttle Position (TP) Sensor Circuit Low Voltage | A |
| P0123 | Throttle Position (TP) Sensor Circuit High Voltage | A |
| P0125 | Engine Coolant Temperature (ECT) Excessive Time To Enter Closed Loop Fuel Control | B |
| P0131 | Heated Oxygen Sensor (HO2S) Circuit Low Voltage (Sensor 1) | B |
| P0132 | Heated Oxygen Sensor (HO2S) Circuit High Voltage (Sensor 1) | B |
| P0133 | Heated Oxygen Sensor (HO2S) Slow Response (Sensor 1) | B |
| P0134 | Heated Oxygen Sensor (HO2S) Circuit Insufficient Activity (Sensor 1) | B |
| P0135 | Heated Oxygen Sensor (HO2S) Heater Circuit (Sensor 1) | B |
| P0136 | Heated Oxygen Sensor (HO2S) Circuit (Sensor 2) | B |
| P0141 | Heated Oxygen Sensor (HO2S) Heater Circuit (Sensor 2) | B |
| P0171 | Fuel Trim System Lean | B |
| P0172 | Fuel Trim System Rich | B |
| P0300 | Engine Misfire Detected | B |
| P0301 | Cylinder No. 1 Misfire Detected | B |
| P0302 | Cylinder No. 2 Misfire Detected | B |
| P0303 | Cylinder No. 3 Misfire Detected | B |
| P0304 | Cylinder No. 4 Misfire Detected | B |
| P0335 | Crankshaft Position (CKP) Sensor Circuit | A |
| P0340 | Camshaft Position (CMP) Sensor Circuit | A |
| P0400 | Exhaust Gas Recirculation (EGR) Flow Malfunction (2.0L Only) | B |
| P0403 | Exhaust Gas Recirculation (EGR) Solenoid Control Circuit | A |
| P0420 | Three-Way Catalyst (TWC) System Low Efficiency | B |
| P0440 | Evaporative (EVAP) Emission System | B |
| P0443 | Evaporative (EVAP) Emission System Incorrect Purge Flow | B |
| P0450 | Evaporative (EVAP) Emission System Pressure Sensor Circuit | B |
| P0451 | Evaporative (EVAP) Emission System Pressure Sensor Performance | B |
| P0455 | Evaporative (EVAP) Emission System Leak Detected | A |
| P0461 | Fuel Level Sensor Circuit Performance | B |
| P0463 | Fuel Level Sensor Circuit High Voltage | B |
| P0500 | Vehicle Speed Sensor (VSS) Circuit | B |
| P0505 | Idle Control System | B |
| P0601 | Powertrain Control Module (PCM) Memory | A |
| P1408 | Manifold Absolute Pressure (MAP) Sensor Circuit | B |
| P1410 | Fuel Tank Pressure System | B |
| P1450 | Barometric Pressure Sensor Circuit | A |
| P1451 | Barometric Pressure Sensor Performance | B |
| P1500 | Starter Signal Circuit | B |
| P1510 | Powertrain Control Module (PCM) Back Up Power Supply | A |