Diagnostic Code Index
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC P0016 | P0016: Crankshaft Position (CKP) Camshaft Position (CMP) Correlation |
| DTC P0030, P0036, P0053, P0054, P0135, or P0141 | P0030: HO2S Heater Control Circuit Sensor 1 P0036: HO2S Heater Control Circuit Sensor 2 P0053: HO2S Heater Resistance Sensor 1 P0054: HO2S Heater Resistance Sensor 2 P0135: HO2S Heater Performance Sensor 1 P0141: HO2S Heater Performance Sensor 2 |
| DTC P0068 | P0068: Throttle Body Airflow Performance |
| DTC P0101 | P0101: Mass Air Flow (MAF) Sensor Performance |
| DTC P0102 or P0103 | P0102: Mass Air Flow (MAF) Sensor Circuit Low Frequency P0103: Mass Air Flow (MAF) Sensor Circuit High Frequency |
| DTC P0106 | P0106: Manifold Absolute Pressure (MAP) Sensor Performance |
| DTC P0107 or P0108 | P0107: Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage P0108: Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage |
| DTC P0112, P0113, P1111, or P1112 | P0112: Intake Air Temperature (IAT) Sensor Circuit Low Voltage P0113: Intake Air Temperature (IAT) Sensor Circuit High Voltage P1111: Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage P1112: Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage |
| DTC P0116 | P0116: Engine Coolant Temperature (ECT) Sensor Performance |
| DTC P0117, P0118, P1114, or P1115 | P0117: Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage P0118: Engine Coolant Temperature (ECT) Sensor Circuit High Voltage P1114: Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage P1115: Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage |
| DTC P0120, P0220, or P2135 | P0120: Throttle Position (TP) Sensor 1 Circuit P0220: Throttle Position (TP) Sensor 2 Circuit P2135: Throttle Position (TP) Sensor 1-2 Correlation |
| DTC P0128 | P0128: Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature |
| DTC P0131, P0132, P0137, or P0138 | P0131: HO2S Circuit Low Voltage Sensor 1 P0132: HO2S Circuit High Voltage Sensor 1 P0137: HO2S Circuit Low Voltage Sensor 2 P0138: HO2S Circuit High Voltage Sensor 2 |
| DTC P0133, P0134, P0140, P1133, P1134, P2270, P2271, or P2A00 | P0133: HO2S Slow Response Sensor 1 P0134: HO2S Circuit Insufficient Activity Sensor 1 P0140: HO2S Circuit Insufficient Activity Sensor 2 P1133: HO2S Insufficient Switching Sensor 1 P1134: HO2S Transition Time Ratio Bank 1 Sensor 1 P2270: HO2S Signal Stuck Lean Sensor 2 P2271: HO2S Signal Stuck Rich Sensor 2 P2A00: HO2S Circuit Closed Loop (CL) Performance Sensor 1 |
| DTC P0171 or P0172 | P0171: Fuel Trim System Lean Bank 1 P0172: Fuel Trim System Rich Bank 1 |
| DTC P0201, P0202, P0203, P0204, P0205, or P0206 | P0201: Injector 1 Control Circuit P0202: Injector 2 Control Circuit P0203: Injector 3 Control Circuit P0204: Injector 4 Control Circuit P0205: Injector 5 Control Circuit P0206: Injector 6 Control Circuit |
| DTC P0230 | P0230: Fuel Pump Relay Control Circuit |
| DTC P0300-P0306 | P0300: Engine Misfire Detected P0301: Cylinder 1 Misfire Detected P0302: Cylinder 2 Misfire Detected P0303: Cylinder 3 Misfire Detected P0304: Cylinder 4 Misfire Detected P0305: Cylinder 5 Misfire Detected P0306: Cylinder 6 Misfire Detected |
| DTC P0315 | P0315: Crankshaft Position (CKP) System Variation Not Learned |
| DTC P0325, P0327, or P0332 | P0325: Knock Sensor (KS) Module Performance P0327: Knock Sensor (KS) Circuit Bank 1 P0332: Knock Sensor (KS) Circuit Bank 2 |
| DTC P0335 | P0335: Crankshaft Position (CKP) Sensor A Circuit |
| DTC P0336 | P0336: Crankshaft Position (CKP) Sensor A Performance |
| DTC P0340 | P0340: Camshaft Position (CMP) Sensor Circuit |
| DTC P0341 | P0341: Camshaft Position (CMP) Sensor Performance |
| DTC P0350 | P0350: Ignition Coil Control Circuit |
| DTC P0385 | P0385: Crankshaft Position (CKP) Sensor B Circuit |
| DTC P0386 | P0386: Crankshaft Position (CKP) Sensor Performance |
| DTC P0401 | P0401: Exhaust Gas Recirculation (EGR) Flow Insufficient |
| DTC P0403, P0404, P0405, P0406, or P042E | P0403: Exhaust Gas Recirculation (EGR) Solenoid Control Circuit P0404: Exhaust Gas Recirculation (EGR) Open Position Performance P0405: Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage P0406: Exhaust Gas Recirculation (EGR) Position Sensor Circuit High Voltage P042E: Exhaust Gas Recirculation (EGR) Closed Position Performance |
| DTC P0411 | P0411: Secondary Air Injection (AIR) System Incorrect Air Flow Detected |
| DTC P0412 or P0418 | P0412: Secondary Air Injection (AIR) Solenoid Relay Control Circuit P0418: Secondary Air Injection (AIR) Pump Control Circuit |
| DTC P0420 | P0420: Catalyst System Low Efficiency Bank 1 |
| DTC P0442 | P0442: Evaporative Emissions (EVAP) System Small Leak Detected |
| DTC P0443 or P0449 | P0443: Evaporative Emission (EVAP) Purge Solenoid Control Circuit P0449: Evaporative Emission (EVAP) Vent Solenoid Control Circuit |
| DTC P0446 | P0446: Evaporative Emissions (EVAP) Vent System Performance |
| DTC P0451, P0452, P0453, or P0454 | P0451: Fuel Tank Pressure (FTP) Sensor Performance P0452: Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage P0453: Fuel Tank Pressure (FTP) Sensor Circuit High Voltage P0454: Fuel Tank Pressure (FTP) Sensor Intermittent |
| DTC P0455 | P0455: Evaporative Emission (EVAP) System Large Leak |
| DTC P0496 | P0496: Evaporative Emission System Flow During Non-Purge |
| DTC P0506 or P0507 | P0506: Idle Speed Low P0507: Idle Speed High |
| DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 | P0601: Control Module Read Only Memory (ROM) P0602: Control Module Not Programmed P0604: Control Module Random Access Memory (RAM) P0606: Control Module Internal Performance P2610: Control Module Ignition Off Timer Performance |
| DTC P0641 or P0651 | P0641: 5-Volt Reference 1 Circuit P0651: 5-Volt Reference 2 Circuit |
| DTC P0650 | P0650: Malfunction Indicator Lamp (MIL) Control Circuit |
| DTC P0685 | P0685: Engine Controls Ignition Relay Control Circuit |
| DTC P1125, P2120, P2125, or P2138 | P1125: Accelerator Pedal Position (APP) System P2120: Accelerator Pedal Position (APP) Sensor 1 Circuit P2125: Accelerator Pedal Position (APP) Sensor 2 Circuit P2138: Accelerator Pedal Position (APP) Sensor 1-2 Correlation |
| DTC P1350 | P1350: Ignition Bypass Circuit |
| DTC P1400 | P1400: Cold Start Emission Reduction Control System |
| DTC P1516 | P1516: Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance |
| DTC P1640, P1650, or P1660 | P1640: Control Module Output A Circuit P1650: Control Module Output B Circuit P1660: Control Module Output C Circuit |
| DTC P2101 | P2101: Control Module Throttle Actuator Position Performance |
| DTC P2107 or P2108 | P2107: Throttle Actuator Control (TAC) Module Internal Circuit P2108: Throttle Actuator Control (TAC) Module Performance |
| DTC P2119 | P2119: Throttle Closed Position Performance |
| DTC P2430, P2431, P2432, or P2433 | P2430: Secondary Air Injection (AIR) System Pressure Sensor Stuck in Range P2431: Secondary Air Injection (AIR) System Pressure Sensor Performance P2432: Secondary Air Injection (AIR) System Pressure Sensor Circuit Low Voltage P2433: Secondary Air Injection (AIR) System Pressure Sensor Circuit High Voltage |
| DTC P2440 | P2440: Secondary Air Injection (AIR) Valve Stuck Open |
| DTC P2444 | P2444: Secondary Air Injection (AIR) System Pump Stuck On |
| DTC U0107 | U0107: Throttle Actuator Control (TAC) Module Serial Data Circuit |