Engine Controls Self-Diagnostics - 3.1L & 3.4L
- Model Identification
- Introduction
- Self-Diagnostic System
- Diagnostic Tests
- Notes
- DTC P0101: MAF System Performance (Except MALIBU)
- DTC P0102: MAF Sensor Circuit - Low Frequency
- DTC P0103: MAF Sensor Circuit - High Frequency
- DTC P0107: Map Sensor Circuit - Low Voltage (Except Impala)
- DTC P0108: Map Sensor Circuit - High Voltage
- DTC P0112: IAT Sensor Circuit - Low Voltage
- DTC P0113: IAT Sensor Circuit - High Voltage
- DTC P0117: ECT Sensor Circuit - Low Voltage
- DTC P0118: ECT Sensor Circuit - High Voltage
- DTC P0121: TP Sensor Performance
- DTC P0122: TP Sensor Circuit - Low Voltage
- DTC P0123: TP Sensor Circuit - High Voltage
- DTC P0125: ECT Excessive Time To Enter Closed Loop Fuel Control (Except MALIBU)
- DTC P0125: ECT Excessive Time To Enter Closed Loop Fuel Control (MALIBU)
- DTC P0131: Ho2S Circuit Low Voltage - Sensor 1
- DTC P0132: Ho2S Circuit High Voltage - Sensor 1
- DTC P0133: Ho2S Circuit Slow Response - Sensor 1 (Century, Grand PRIX, Impala & Monte CARLO)
- DTC P0133: Ho2S Circuit Slow Response - Sensor 1 (ALERO, Grand Am & MALIBU)
- DTC P0134: Ho2S Circuit Insufficient Activity - Sensor 1 (ALERO, Grand Am & MALIBU)
- DTC P0134: Ho2S Circuit Insufficient Activity - Sensor 1 (Century, Grand PRIX, Impala & Monte CARLO)
- DTC P0135: Ho2S Heater Performance - Sensor 1 (Except ALERO & Grand Am)
- DTC P0135: Ho2S Heater Performance - Sensor 1 (ALERO & Grand Am)
- DTC P0137: Ho2S Circuit Low Voltage - Sensor 2
- DTC P0138: Ho2S Circuit High Voltage - Sensor 2
- DTC P0140: Ho2S Circuit Insufficient Activity - Sensor 2
- DTC P0141: Ho2S Heater Circuit - Sensor 2
- DTC P0171: Fuel Trim System Lean
- DTC P0172: Fuel Trim System Rich
- DTC P0201: Injector No. 1 Control Circuit
- DTC P0202: Injector No. 2 Control Circuit
- DTC P0203: Injector No. 3 Control Circuit
- DTC P0204: Injector No. 4 Control Circuit
- DTC P0205: Injector No. 5 Control Circuit
- DTC P0206: Injector No. 6 Control Circuit
- DTC P0230: Fuel Pump Control Circuit (Except Impala)
- DTC P0300-P0306: Engine Misfire Detected
- DTC P0325: Knock Sensor Module Circuit
- DTC P0327: Knock Sensor Circuit - Low Voltage
- DTC P0336: 24X Reference Signal Circuit
- DTC P0341: Camshaft Position (CMP) Sensor Circuit
- DTC P0401: EGR System - Insufficient Flow
- DTC P0403: EGR Solenoid Control Circuit
- DTC P0404: EGR System Performance
- DTC P0405: EGR Position Sensor Circuit - Low Voltage
- DTC P0410: Secondary Air Injection (Air) System
- DTC P0412: Secondary Air Injection (Air) Solenoid Relay Control Circuit
- DTC P0418: Secondary Air Injection (Air) Pump Relay Control Circuit
- DTC P0420: Catalyst System Low Efficiency
- DTC P0440: EVAP System
- DTC P0442: EVAP Control System - Small Leak Detected
- DTC P0443: EVAP Purge Solenoid Valve Control Circuit
- DTC P0446: EVAP Canister Vent Blocked
- DTC P0449: EVAP Vent Solenoid Valve Control Circuit
- DTC P0452: Fuel Tank Pressure Sensor Circuit - Low Voltage
- DTC P0453: Fuel Tank Pressure Sensor Circuit - High Voltage
- DTC P0462: Fuel Level Sensor Circuit - Low Voltage
- DTC P0463: Fuel Level Sensor Circuit - High Voltage
- DTC P0480: Cooling Fan Relay No. 1 Control Circuit
- DTC P0481: Cooling Fan Relay No. 2 Control Circuit
- DTC P0506: Idle Speed - Low
- DTC P0507: Idle Speed - High
- DTC P0530: A/C Refrigerant Pressure Sensor Circuit
- DTC P0560: System Voltage
- DTC P0601: Pcm Read Only Memory (ROM)
- DTC P0602: Pcm Not Programmed
- DTC P0620: Generator Performance
- DTC P0650: Malfunction Indicator Light (Mil) Control Circuit
- DTC P0656: Fuel Level Output Circuit (Grand PRIX & Lumina)
- DTC P1106: Map Sensor Circuit Intermittent High Voltage
- DTC P1107: Map Sensor Circuit Intermittent Low Voltage
- DTC P1111: IAT Sensor Circuit Intermittent High Voltage
- DTC P1112: IAT Sensor Circuit Intermittent Low Voltage
- DTC P1114: ECT Sensor Circuit Intermittent Low Voltage
- DTC P1115: ECT Sensor Circuit Intermittent High Voltage
- DTC P1121: TP Sensor Circuit Intermittent High Voltage
- DTC P1122: TP Sensor Circuit Intermittent Low Voltage
- DTC P1133: Ho2S Insufficient Switching - Sensor 1 (Except Impala & Monte CARLO)
- DTC P1133: Ho2S Insufficient Switching - Sensor 1 (Impala & Monte CARLO)
- DTC P1134: Ho2S Transition Time Ratio - Sensor 1 (ALERO, Grand Am & MALIBU)
- DTC P1134: Ho2S Transition Time Ratio - Sensor 1 (Century, Grand PRIX, Impala & Monte CARLO)
- DTC P1189: Engine Oil Pressure (EOP) Switch Circuit (ALERO, Grand Am & MALIBU)
- DTC P1336: CKP System Variation Not Learned
- DTC P1351: Ignition Control (Ic) Circuit High Voltage
- DTC P1352: Ignition By-Pass Circuit High Voltage
- DTC P1361: Ignition Control (Ic) Circuit Low Voltage
- DTC P1362: Ignition By-Pass Circuit Low Voltage
- DTC P1374: Crankshaft Position (CKP) High-To-Low Resolution Frequency Correlation
- DTC P1380: Misfire Detected - Rough Road Data Not Available
- DTC P1381: Misfire Detected - No Communication With Brake Control Module
- DTC P1404: EGR Closed Position Performance
- DTC P1441: EVAP System Flow During Non-Purge
- DTC P1483: Engine Cooling System Performance (Century & Grand PRIX)
- DTC P1546: A/C Clutch Relay Control Circuit
- DTC P1554: Cruise Control Feedback Circuit
- DTC P1573: Lost Communications With Brake/Traction Control (EBTCM) System (Lumina)
- DTC P1585: Cruise Control Inhibit Output Circuit
- DTC P1602: Lost Communications With Brake/Traction Control (EBTCM) System (Impala & Monte CARLO)
- DTC P1604: Lost Communications With Driver Information & Display Control (IPC) System (Impala & Monte CARLO)
- DTC P1605: Lost Communications With HVAC Control System (Impala & Monte CARLO)
- DTC P1610: Lost Communications With Body Control Module (BCM) System (Impala & Monte CARLO)
- DTC P1626: Theft Deterrent System Fuel Enable Signal Lost (ALERO, Century, Impala, Lumina, MALIBU & Monte CARLO)
- DTC P1626: Theft Deterrent System Fuel Enable Signal Lost (Grand Am)
- DTC P1626: Theft Deterrent System Fuel Enable Signal Lost (Grand PRIX)
- DTC P1629: Theft Deterrent Fuel Enable Signal Not Received (Century, Grand PRIX & Lumina)
- DTC P1630: Theft Deterrent Learn Mode Active (ALERO & Grand Am)
- DTC P1630: Theft Deterrent Learn Mode Active (Century, Impala, MALIBU & Monte CARLO)
- DTC P1631: Theft Deterrent Start Enable Signal Incorrect (ALERO & Grand PRIX)
- DTC P1631: Theft Deterrent Start Enable Signal Incorrect (Century, Impala, MALIBU & Monte CARLO)
- DTC P1635: 5-Volt Reference "A" Circuit
- DTC P1637: Charging System Light Control Circuit (Grand PRIX)
- DTC P1637: Charging System Light Control Circuit (Lumina)
- DTC P1639: 5-Volt Reference "B" Circuit (Except Impala)
- DTC P1653: Low Engine Oil Level Light Control Circuit (Grand PRIX)
- DTC P1653: Low Engine Oil Level Light Control Circuit (Lumina)
- DTC P1663: Change Oil Light Control Circuit (Lumina)
- DTC P1673: Engine Coolant Temperature Light Control Circuit (Grand PRIX)