Engine Performance - 4.8L & 5.3L 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 - 4.8L & 5.3L DIAGNOSTIC TROUBLE CODE (DTC) LIST
| Diagnostic Procedure | Definition |
|---|---|
| DTC P0068 | Throttle Body Airflow Performance |
| DTC P0101 (With Throttle Actuator Control) | Mass Air Flow (MAF) Sensor Performance |
| DTC P0102 | Mass Air Flow (MAF) Sensor Circuit Low Frequency |
| DTC P0103 | Mass Air Flow (MAF) Sensor Circuit High Frequency |
| DTC P0106 (With Throttle Actuator Control) | 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 P0116 | Engine Coolant Temperature (ECT) Sensor Performance |
| 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 P0125 | Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control |
| DTC P0128 | Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature |
| DTC P0131 or P0151 | HO2S Circuit Low Voltage |
| DTC P0132 or P0152 | HO2S Circuit High Voltage |
| DTC P0133 or P0153 | HO2S Slow Response |
| DTC P0134 or P0154 | HO2S Circuit Insufficient Activity |
| DTC P0135, P0141, P0155, or P0161 | HO2S Heater Performance |
| DTC P0136 or P0156 | HO2S Circuit |
| DTC P0137 or P0157 | HO2S Circuit Low Voltage |
| DTC P0138 or P0158 | HO2S Circuit High Voltage |
| DTC P0140 or P0160 | HO2S Circuit Insufficient Activity |
| DTC P0171 or P0174 | Fuel Trim System Lean |
| DTC P0172 or P0175 | Fuel Trim System Rich |
| DTC P0200 | Injector Control Circuit |
| DTC P0220 | Throttle Position (TP) Sensor 2 Circuit |
| DTC P0230 | Fuel Pump Relay Control Circuit |
| DTC P0300 | Engine Misfire Detected |
| DTC P0315 | Crankshaft Position (CKP) System Variation Not Learned |
| DTC P0325 | Knock Sensor Module Performance |
| DTC P0327 or P0332 | Knock Sensor Circuit |
| DTC P0335 | Crankshaft Position (CKP) Sensor Circuit |
| DTC P0336 | Crankshaft Position (CKP) Sensor Performance |
| DTC P0341 | Camshaft Position (CMP) Sensor Performance |
| DTC P0342 | Camshaft Position (CMP) Sensor Circuit Low Voltage |
| DTC P0343 | Camshaft Position (CMP) Sensor Circuit High Voltage |
| DTC P0351, P0352, P0353, P0354, P0355, P0356, P0357, P0358 | Ignition Coil Control Circuit |
| DTC P0420 or P0430 | Catalyst System Low Efficiency |
| DTC P0442 | Evaporative Emission (EVAP) System Small Leak Detected |
| DTC P0443 | Evaporative Emission (EVAP) Purge Solenoid Control Circuit |
| DTC P0446 | Evaporative Emission (EVAP) Vent System Performance |
| DTC P0449 | Evaporative Emission (EVAP) Vent Solenoid Control Circuit |
| 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 (w/ Electronic Throttle Control) | Idle Speed Low |
| DTC P0507 (w/ Electronic Throttle Control) | Idle Speed High |
| DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 | ECU Malfunction |
| DTC P0641 | 5 Volt Reference 1 Circuit |
| DTC P0650 | Malfunction Indicator Lamp (MIL) Control Circuit |
| DTC P0651 | Volt Reference 2 Circuit |
| DTC P1106 | Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage |
| DTC P1107 | Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage |
| DTC P1111 | Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage |
| DTC P1112 | Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage |
| DTC P1114 | Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage |
| DTC P1115 | Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage |
| DTC P1125 | Accelerator Pedal Position (APP) System |
| DTC P1133 or P1153 | HO2S Insufficient Switching |
| DTC P1134 or P1154 | Oxygen Sensor Circuit - Transition Switch Time Ratio |
| 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 P2101 | Control Module Throttle Actuator Position Performance |
| DTC P2108 | Throttle Actuator Control (TAC) Module Performance |
| DTC P2120 | Accelerator Pedal Position (APP) Sensor 1 Circuit |
| DTC P2121 | Accelerator Pedal Position (APP) Sensor 1 Performance |
| DTC P2125 | Accelerator Pedal Position (APP) Sensor 2 Circuit |
| DTC P2135 | Throttle Position (TP) Sensor 1-2 Correlation |