Diagnostic Code Index
WARNING: This page is about a different car, the 2006 GMC Yukon XL, 2006 Chevrolet Suburban, and 2006 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC P0030, P0036, P0050, or P0056 | HO2S Heater Control Circuit Sensor |
| DTC P0053, P0054, P0059, or P0060 | HO2S Heater Resistance Sensor |
| DTC P0068 | Throttle Body Air Flow Performance |
| DTC P0101 | 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 | 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 P0128 | Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature |
| DTC P0131 or P0151 | HO2S Circuit Low Voltage Sensor |
| DTC P0132 or P0152 | HO2S High Voltage Sensor |
| DTC P0133 or P0153 | HO2S Slow Response Sensor |
| DTC P0134 or P0154 | HO2S Circuit Insufficient Activity Sensor |
| DTC P0135, P0141, P0155, or P0161 | HO2S Heater Performance Sensor |
| DTC P0137 or P0157 | HO2S Circuit Low Voltage Sensor |
| DTC P0138 or P0158 | HO2S Circuit High Voltage Sensor |
| DTC P0140 or P0160 | HO2S Circuit/Insufficient Activity Sensor |
| 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 (KS) Circuit |
| DTC P0327 or P0332 | Knock Sensor (KS) Circuit Low Frequency |
| DTC P0335 | Crankshaft Position (CKP) Sensor Circuit |
| DTC P0336 | Crankshaft Position (CKP) Sensor Circuit |
| 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-P0358 | Ignition Coil 1 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 P0451 | Fuel Tank Pressure (FTP) Sensor Performance |
| DTC P0452 | Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage |
| DTC P0453 | Fuel Tank Pressure (FTP) Sensor Circuit High Voltage |
| DTC P0454 | Fuel Tank Pressure (FTP) Sensor Circuit Intermittent |
| DTC P0455 | Evaporative Emission (EVAP) System Large Leak Detected |
| DTC P0496 | Evaporative Emission (EVAP) System Flow During Non-Purge |
| DTC P0506 or P0507 | Idle Speed High/Low |
| DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 | Control Module |
| DTC P0641 | 5-Volt Reference 1 Circuit |
| DTC P0650 | Malfunction Indicator Lamp (MIL) Control Circuit |
| DTC P0651 | 5-Volt Reference 2 Circuit |
| DTC P1125 | Accelerator Pedal Position (APP) System |
| DTC P1133 or P1153 | HO2S Insufficient Switching Sensor |
| DTC P1134 or P1154 | HO2S Transition Time Ratio Sensor |
| 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 |
| DTC P2138 | Accelerator Pedal Position (APP) Sensor 1-2 Correlation |
| DTC P2636 | Fuel Transfer Pump Flow Insufficient |
| DTC P2A01 or P2A04 | HO2S Circuit Sensor |
| DTC U0107 | Lost Communication with Throttle Actuator Control (TAC) Module |