Engine Performance - 4.2L DTCS
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE PERFORMANCE - 4.2L DIAGNOSTIC TROUBLE CODE (DTC) LIST
| Diagnostic Procedure | Description |
|---|---|
| DTC P0013 | Exhaust Camshaft Position (CMP) Actuator Solenoid Control Circuit |
| DTC P0014 | Exhaust Camshaft Position (CMP) System Performance |
| DTC P0016 | Crankshaft Position (CKP)-Camshaft Position (CMP) Correlation |
| DTC P0068 | Throttle Body Airflow Performance |
| DTC P0106 | Manifold Absolute Pressure (MAP) Sensor Performance |
| DTC P0107 | Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage |
| DTC P0108 | Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage |
| DTC P0112 | Intake Air Temperature (IAT) Sensor Circuit Low Voltage |
| DTC P0113 | Intake Air Temperature (IAT) Sensor Circuit High Voltage |
| DTC P0117 | Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage |
| DTC P0118 | Engine Coolant Temperature (ECT) Sensor Circuit High Voltage |
| DTC P0120 | Throttle Position (TP) Sensor 1 Circuit |
| DTC P0122 | Throttle Position (TP) Sensor Circuit Low Voltage |
| DTC P0123 | Throttle Position (TP) Sensor Circuit High Voltage |
| DTC P0125 | Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control |
| DTC P0128 | Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature |
| DTC P0130 | HO2S Circuit Closed Loop (CL) Performance Sensor 1 |
| DTC P0131 | HO2S Circuit Low Voltage Sensor 1 (4.2L) |
| DTC P0132 | HO2S Circuit High Voltage Sensor 1 (4.2L) |
| DTC P0133 | HO2S Slow Response Sensor 1 (4.2L) |
| DTC P0134 | HO2S Circuit Insufficient Activity Sensor 1 (4.2L) |
| DTC P0135 or P0141 | HO2S Heater Performance |
| DTC P0136 | HO2S Circuit Sensor 2 (4.2L) |
| DTC P0137 | HO2S Circuit Low Voltage Sensor 2 (4.2L) |
| DTC P0138 | HO2S Circuit High Voltage Sensor 2 (4.2L) |
| DTC P0140 | HO2S Circuit Insufficient Activity Sensor 2 (4.2L) |
| DTC P0171 | Fuel Trim System Lean (4.2L) |
| DTC P0172 | Fuel Trim System Rich (4.2L) |
| DTC P0201, P0202, P0203, P0204, P0205, P0206 | Injector Control Circuit |
| DTC P0220 | Throttle Position (TP) Sensor 2 Circuit |
| DTC P0222 | Throttle Position (TP) Sensor 2 Circuit Low Voltage |
| DTC P0223 | Throttle Position (TP) Sensor 2 Circuit High Voltage |
| DTC P0300 | Engine Misfire Detected |
| DTC P0301, P0302, P0303, P0304, P0305, P0306 | Misfire Detected |
| DTC P0315 | Crankshaft Position (CKP) System Variation Not Learned |
| DTC P0326 | Knock Sensor (KS) Performance |
| DTC P0327 or P0332 | Knock Sensor Circuit |
| DTC P0335 | Crankshaft Position (CKP) Sensor Circuit |
| DTC P0336 | Crankshaft Position (CKP) Sensor Performance |
| DTC P0340 | Camshaft Position (CMP) Sensor Circuit |
| DTC P0341 | Camshaft Position (CMP) Sensor Performance |
| DTC P0410 | Secondary Air Injection (AIR) System |
| DTC P0420 | Catalyst System Low Efficiency |
| DTC P0442 | Evaporative Emission (EVAP) System Small Leak Detected |
| DTC P0446 | Evaporative Emission (EVAP) Vent System Performance |
| DTC P0452 | Fuel Tank Pressure Sensor Circuit Low Voltage |
| DTC P0453 | Fuel Tank Pressure Sensor Circuit High Voltage |
| DTC P0455 | Evaporative Emission (EVAP) System Large Leak Detected |
| DTC P0496 | Evaporative Emission (EVAP) System Flow During Non-Purge |
| DTC P0506 | Idle Speed Low |
| DTC P0507 | Idle Speed High |
| DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1681, or P2610 | ECU Malfunction |
| DTC P0641 | 5 Volt Reference 1 Circuit |
| DTC P0651 | 5 Volt Reference 2 Circuit |
| DTC P1133 | HO2S Insufficient Switching Sensor 1 |
| DTC P1137 | HO2S Circuit Low Voltage During Power Enrichment Sensor 2 |
| DTC P1138 | HO2S Circuit High Voltage During Decel Fuel Cut-Off (DFCO) Sensor 2 |
| DTC P1171 | Fuel System Lean During Acceleration |
| DTC P1380 | Misfire Detected - Rough Road Data Not Available |
| DTC P1381 | Misfire Detected - No Communication with Brake Control Module |
| DTC P1516 | Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance |
| DTC P1680 | ECM Malfunction |
| DTC P1682 | Ignition 1 Switch Circuit 2 |
| DTC P2101 | Control Module Throttle Actuator Position Performance |
| DTC P2119 | Throttle Closed Position Performance |
| DTC P2120 | Accelerator Pedal Position (APP) Sensor 1 Circuit |
| DTC P2122 | Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage |
| DTC P2123 | Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage |
| DTC P2125 | Accelerator Pedal Position (APP) Sensor 2 Circuit |
| DTC P2127 | Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage |
| DTC P2128 | Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage |
| DTC P2135 | Throttle Position (TP) Sensor 1-2 Correlation |
| DTC P2138 | Accelerator Pedal Position (APP) Sensor 1-2 Correlation |
| DTC P2176 | Minimum Throttle Position Not Learned |