Section 6 (Engine Control System - Self-Diagnostics - 3.8L)
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2000 Pontiac Grand Prix, 2000 Pontiac Firebird, 2000 Pontiac Bonneville, 2000 Chevrolet Monte Carlo, and 2000 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
- Model Identification
- Introduction
- Self-Diagnostic System
- Description
- Scan Tool Display
- Diagnostic Procedure
- Retrieving Diagnostic Trouble Codes
- On-Board Diagnostic (OBD) System Check
- Mil Inoperative
- DLC Diagnosis Or No Scan Tool Data
- Diagnostic Trouble Code Definitions
- Hard Or Intermittent Trouble Code Determination
- Clearing Diagnostic Trouble Codes
- Pcm Location
- Diagnostic Materials
- Special Tools (Diagnostic)
- Scan Tool Usage
- Summary
- Diagnostic Tests
- Notes
- DTC P0101: MAF SYSTEM PERFORMANCE (BONNEVILLE, CAMARO, FIREBIRD, GRAND PRIX, LeSABRE & REGAL)
- DTC P0101: MAF System Performance (Impala, Monte CARLO & Park Avenue)
- DTC P0102: MAF Sensor Circuit - Low Frequency
- DTC P0103: MAF Sensor Circuit - High Frequency
- DTC P0107: Map Sensor Circuit - Low Voltage
- DTC P0108: Map Sensor Circuit - High Voltage (Except Park Avenue)
- DTC P0108: Map Sensor Circuit - High Voltage (Park Avenue)
- 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
- DTC P0128: ECT Less Than Thermostat Regulating Temperature
- DTC P0131: Ho2S Circuit Low Voltage - Bank 1, Sensor 1
- DTC P0132: Ho2S Circuit High Voltage - Bank 1, Sensor 1
- DTC P0133: HO2S SLOW RESPONSE - BANK 1, SENSOR 1 (EXCEPT BONNEVILLE, CAMARO, FIREBIRD & LeSABRE)
- DTC P0133: HO2S SLOW RESPONSE - BANK 1, SENSOR 1 (BONNEVILLE, CAMARO, FIREBIRD & LeSABRE)
- DTC P0134: HO2S CIRCUIT INSUFFICIENT ACTIVITY - BANK 1, SENSOR 1 (EXCEPT BONNEVILLE, CAMARO, FIREBIRD & LeSABRE)
- DTC P0134: HO2S CIRCUIT INSUFFICIENT ACTIVITY - BANK 1, SENSOR 1 (BONNEVILLE, CAMARO, FIREBIRD & LeSABRE)
- DTC P0135: HO2S HEATER PERFORMANCE - BANK 1, SENSOR 1 (EXCEPT BONNEVILLE, CAMARO, FIREBIRD & LeSABRE)
- DTC P0135: HO2S HEATER PERFORMANCE - BANK 1, SENSOR 1 (BONNEVILLE, CAMARO, FIREBIRD & LeSABRE)
- DTC P0137: Ho2S Circuit Low Voltage - Bank 1, Sensor 2
- DTC P0138: Ho2S Circuit High Voltage - Bank 1, Sensor 2
- DTC P0140: Ho2S Circuit Insufficient Activity - Bank 1, Sensor 2
- DTC P0141: Ho2S 2 Heater Performance - Bank 1, Sensor 2
- DTC P0151: Ho2S Circuit Low Voltage - Bank 2, Sensor 1 (CAMARO & Firebird)
- DTC P0152: Ho2S Circuit High Voltage - Bank 2, Sensor 1 (CAMARO & Firebird)
- DTC P0153: Ho2S Circuit Slow Response - Bank 2, Sensor 1 (CAMARO & Firebird)
- DTC P0154: Ho2S Circuit Insufficient Activity - Bank 2, Sensor 1 (CAMARO & Firebird)
- DTC P0155: Ho2S Heater Performance - Bank 2, Sensor 1 (CAMARO & Firebird)
- DTC P0171: Fuel Trim System Lean - Bank 1 (Except BONNEVILLE, CAMARO, Firebird & Park Avenue)
- DTC P0171: Fuel Trim System Lean - Bank 1 (BONNEVILLE, CAMARO, Firebird & Park Avenue)
- DTC P0172: Fuel Trim System Rich - Bank 1 (Except BONNEVILLE, CAMARO, Firebird & Park Avenue)
- DTC P0172: Fuel Trim System Rich - Bank 1 (BONNEVILLE, CAMARO, Firebird & Park Avenue)
- DTC P0174: Fuel Trim System Lean - Bank 2 (CAMARO & Firebird)
- DTC P0175: Fuel Trim System Rich - Bank 2 (CAMARO & Firebird)
- DTC P0201: Injector No. 1 Control Circuit (Except CAMARO & Firebird)
- DTC P0201: Injector No. 1 Control Circuit (CAMARO & Firebird)
- DTC P0202: Injector No. 2 Control Circuit (Except CAMARO & Firebird)
- DTC P0202: Injector No. 2 Control Circuit (CAMARO & Firebird)
- DTC P0203: Injector No. 3 Control Circuit (Except CAMARO & Firebird)
- DTC P0203: Injector No. 3 Control Circuit (CAMARO & Firebird)
- DTC P0204: Injector No. 4 Control Circuit (Except CAMARO & Firebird)
- DTC P0204: Injector No. 4 Control Circuit (CAMARO & Firebird)
- DTC P0205: Injector No. 5 Control Circuit (Except CAMARO & Firebird)
- DTC P0205: Injector No. 5 Control Circuit (CAMARO & Firebird)
- DTC P0206: Injector No. 6 Control Circuit (Except CAMARO & Firebird)
- DTC P0206: Injector No. 6 Control Circuit (CAMARO & Firebird)
- DTC P0230: Fuel Pump Control Circuit
- DTC P0243: Supercharger Boost Solenoid Control Circuit (BONNEVILLE, Grand PRIX, Park Avenue & Regal - VIN 1)
- DTC P0300-P0306: Engine Misfire Detected
- DTC P0325: Knock Sensor Module Circuit
- DTC P0327: Knock Sensor Circuit - Bank 1 (Except CAMARO & Firebird)
- DTC P0327: Knock Sensor Circuit - Bank 1 (CAMARO & Firebird)
- DTC P0332: KNOCK SENSOR CIRCUIT - BANK 2 (BONNEVILLE, LeSABRE & PARK AVENUE)
- DTC P0332: Knock Sensor Circuit - Bank 2 (CAMARO & Firebird)
- DTC P0332: Knock Sensor Circuit - Bank 2 (Grand PRIX, Impala, Monte CARLO & Regal)
- DTC P0336: Crankshaft Position (CKP) Sensor Circuit
- DTC P0341: Camshaft Position (CMP) Sensor Performance
- DTC P0401: EGR System Insufficient Flow
- DTC P0403: EGR Solenoid Control Circuit
- DTC P0404: EGR Open Position Performance
- DTC P0405: EGR Position Sensor Circuit - Low Voltage
- DTC P0410: Secondary Air Injection (Air) System (Except CAMARO & Firebird)
- DTC P0412: Secondary Air Injection (Air) Solenoid Relay Control Circuit (Except CAMARO & Firebird)
- DTC P0413: Secondary Air Injection (Air) Pump Relay Control Circuit (Except CAMARO & Firebird)
- DTC P0420: Catalyst System Low Efficiency
- DTC P0440: EVAP System
- DTC P0442: EVAP System Small Leak Detected
- DTC P0443: EVAP Purge Solenoid Control Circuit
- DTC P0446: EVAP Vent System Performance
- DTC P0449: EVAP Canister Vent Solenoid Valve Control Circuit
- DTC P0452: Fuel Tank Pressure Sensor Circuit - Low Voltage (Except Grand PRIX, Impala, Monte CARLO & Regal)
- DTC P0452: Fuel Tank Pressure Sensor Circuit - Low Voltage (Grand PRIX, Impala, Monte CARLO & Regal)
- DTC P0453: Fuel Tank Pressure Sensor Circuit - High Voltage (Except Grand PRIX, Impala, Monte CARLO & Regal)
- DTC P0453: Fuel Tank Pressure Sensor Circuit - High Voltage (Grand PRIX, Impala, Monte CARLO & Regal)
- DTC P0462: FUEL LEVEL SENSOR CIRCUIT - LOW VOLTAGE (BONNEVILLE & LeSABRE)
- DTC P0462: Fuel Level Sensor Circuit - Low Voltage (CAMARO, Firebird & Park Avenue)
- DTC P0462: Fuel Level Sensor Circuit - Low Voltage (Impala, Grand PRIX, Monte CARLO & Regal)
- DTC P0463: FUEL LEVEL SENSOR CIRCUIT - HIGH VOLTAGE (BONNEVILLE & LeSABRE)
- DTC P0463: Fuel Level Sensor Circuit - High Voltage (CAMARO & Firebird)
- DTC P0463: Fuel Level Sensor Circuit - High Voltage (Grand PRIX, Impala, Monte CARLO & Regal)
- DTC P0480: Cooling Fan Relay No. 1 Control Circuit
- DTC P0481: Cooling Fan Relay No. 2 & 3 Control Circuit
- DTC P0500: Vehicle Speed Sensor (VSS) Circuit (CAMARO & Firebird)
- DTC P0506: Idle Speed Rpm Low (CAMARO & Firebird)
- DTC P0507: IAC System Rpm High (Except CAMARO & Firebird)
- DTC P0507: IAC System Rpm High (CAMARO & Firebird)
- DTC P0522: ENGINE OIL PRESSURE SENSOR CIRCUIT - LOW VOLTAGE (BONNEVILLE, LeSABRE & PARK AVENUE)
- DTC P0523: ENGINE OIL PRESSURE SENSOR CIRCUIT - HIGH VOLTAGE (BONNEVILLE, LeSABRE & PARK AVENUE)
- DTC P0530: A/C Refrigerant Pressure Sensor Circuit
- DTC P0560: System Voltage
- DTC P0567: Cruise Control Resume Switch Circuit (CAMARO & Firebird)
- DTC P0568: Cruise Control Set Switch Circuit (CAMARO & Firebird)
- DTC P0571: Cruise Control Brake Switch Circuit (CAMARO & Firebird)
- DTC P0601: Control Module Read Only Memory (ROM)
- DTC P0602: Control Module Not Programmed
- DTC P0604: Control Module Random Access Memory (Ram)
- DTC P0606: Control Module Internal Performance
- DTC P0620: Generator Performance (Except CAMARO, Firebird & Regal)
- DTC P0620: Generator Performance (CAMARO, Firebird & Regal)
- DTC P0650: MALFUNCTION INDICATOR LIGHT (MIL) CONTROL CIRCUIT (BONNEVILLE, GRAND PRIX & LeSABRE)
- DTC P0650: Malfunction Indicator Light (Mil) Control Circuit (CAMARO, Firebird & Park Avenue)
- DTC P0650: Malfunction Indicator Light (Mil) Control Circuit (Impala, Monte CARLO & Regal)
- DTC P0654: ENGINE SPEED OUTPUT CIRCUIT (LeSABRE)
- DTC P0656: Fuel Level Output Circuit (Grand PRIX)
- DTC P0704: Clutch Switch Circuit (CAMARO & Firebird)
- 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 P1120: TP Sensor No. 1 Circuit (CAMARO & Firebird)
- DTC P1121: TP Sensor Circuit Intermittent High Voltage (Except CAMARO & Firebird)
- DTC P1122: TP Sensor Circuit Intermittent Low Voltage (Except CAMARO & Firebird)
- DTC P1125: Accelerator Pedal Position (App) System (CAMARO & Firebird)
- DTC P1133: Ho2S Insufficient Switching - Bank 1, Sensor 1 (Except CAMARO & Firebird)
- DTC P1133: Ho2S Insufficient Switching - Bank 1, Sensor 1 (CAMARO & Firebird)
- DTC P1134: Ho2S Transition Time Ratio - Bank 1, Sensor 1 (Except CAMARO & Firebird)
- DTC P1134: Ho2S Transition Time Ratio - Bank 1, Sensor 1 (CAMARO & Firebird)
- DTC P1153: Ho2S Insufficient Switching - Bank 2, Sensor 1 (CAMARO & Firebird)
- DTC P1154: Ho2S Transition Time Ratio - Bank 2, Sensor 1 (CAMARO & Firebird)
- DTC P1189: Engine Oil Pressure (EOP) Switch Performance (Impala & Monte CARLO)
- DTC P1220: Throttle Position Sensor No. 2 Circuit (CAMARO & Firebird)
- DTC P1221: TP Sensor No. 1 & 2 Correlation (CAMARO & Firebird)
- DTC P1260: Fuel Pump Speed Relay Control Circuit (Park Avenue)
- DTC P1260: Fuel Pump Speed Relay Control Circuit (Grand PRIX & Regal)
- DTC P1271: App Sensors No. 1 & 2 Correlation (CAMARO & Firebird)
- DTC P1272: App Sensors No. 2 & 3 Correlation (CAMARO & Firebird)
- DTC P1273: App Sensors No. 1 & 3 Correlation (CAMARO & Firebird)
- DTC P1275: App Sensor No. 1 Circuit (CAMARO & Firebird)
- DTC P1276: App Sensor No. 1 Performance (CAMARO & Firebird)
- DTC P1280: App Sensor No. 2 Circuit (CAMARO & Firebird)
- DTC P1281: App Sensor No. 2 Performance (CAMARO & Firebird)
- DTC P1285: App Sensor No. 3 Circuit (CAMARO & Firebird)
- DTC P1286: App Sensor No. 3 Performance (CAMARO & Firebird)
- 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 P1515: Control Module Throttle Actuator Position Performance (CAMARO & Firebird)
- DTC P1516: Throttle Actuator Control (TAC) Module - Throttle Actuator Position Performance (CAMARO & Firebird)
- DTC P1517: Throttle Actuator Control (TAC) Module Performance (CAMARO & Firebird)
- DTC P1518: Throttle Actuator Control (TAC) Module Serial Data Circuit (CAMARO & Firebird)
- DTC P1519: Throttle Actuator Control (TAC) Module Internal Circuit (CAMARO & Firebird)
- DTC P1523: Throttle Closed Position Performance (CAMARO & Firebird)
- DTC P1546: A/C Clutch Relay Control Circuit (CAMARO & Firebird)
- DTC P1554: Cruise Control Feedback Circuit
- DTC P1571: Traction Control System (TCS) Torque Request Circuit (Except CAMARO & Firebird)
- DTC P1573: Lost Communications With Brake/Traction Control (EBTCM) System (Grand PRIX & Regal)
- DTC P1574: Stoplight Switch Circuit (CAMARO & Firebird)
- DTC P1575: EXTENDED TRAVEL BRAKE SWITCH CIRCUIT (BONNEVILLE & LeSABRE)
- DTC P1585: Cruise Control Inhibit Output Circuit (Except CAMARO & Firebird)
- DTC P1586: Cruise Control Brake Switch No. 2 Circuit (CAMARO & Firebird)
- DTC P1602: LOST COMMUNICATIONS WITH BRAKE/TRACTION CONTROL (EBTCM) SYSTEM (BONNEVILLE, LeSABRE & REGAL)
- DTC P1602: Lost Communications With Brake/Traction Control (EBTCM) System (Impala & Monte CARLO)
- DTC P1604: LOSS OF INSTRUMENT PANEL CLUSTER (IPC) SERIAL DATA (LeSABRE)
- DTC P1610: Lost Communications With Body Control Module (Impala & Monte CARLO)
- DTC P1626: THEFT DETERRENT FUEL ENABLE SIGNAL LOST (IMPALA, LeSABRE, MONTE CARLO, PARK AVENUE & REGAL)
- DTC P1626: Theft Deterrent Fuel Enable Signal Lost (BONNEVILLE, CAMARO, Firebird & Grand PRIX)
- DTC P1629: Theft Deterrent Fuel Enable Signal Not Received (CAMARO, Firebird & Grand PRIX)
- DTC P1630: THEFT DETERRENT LEARN MODE (BONNEVILLE, IMPALA, LeSABRE, MONTE CARLO, PARK AVENUE & REGAL)
- DTC P1631: THEFT DETERRENT START ENABLE SIGNAL INCORRECT (BONNEVILLE, IMPALA, LeSABRE, MONTE CARLO, PARK AVENUE & REGAL)
- DTC P1635: 5-VOLT REFERENCE NO. 1 CIRCUIT (BONNEVILLE, LeSABRE & PARK AVENUE)
- DTC P1635: 5-Volt Reference No. 1 Circuit (CAMARO & Firebird)
- DTC P1635: 5-Volt Reference No. 1 Circuit (Grand PRIX, Impala, Monte CARLO & Regal)
- DTC P1637: Charging System Light Control Circuit (Grand PRIX)
- DTC P1639: 5-Volt Reference No. 2 Circuit (BONNEVILLE)
- DTC P1639: 5-Volt Reference "B" Circuit (CAMARO & Firebird)
- DTC P1639: 5-Volt Reference "B" Circuit (Grand PRIX, Impala, Monte CARLO & Regal)
- DTC P1639: 5-VOLT REFERENCE "B" CIRCUIT (LeSABRE & PARK AVENUE)
- DTC P1653: Low Engine Oil Level Light Control Circuit (Grand PRIX & Regal)
- DTC P1673: Engine Coolant Temperature Light Control Circuit (Grand PRIX)
- DTC P1689: Traction Control Delivered Torque Output Circuit