GM Service Manual Online
For 1990-2009 cars only
Makes
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Pontiac
🢒
1999
🢒
Firebird
🢒 DTC
Diagnostic Trouble Codes
Diagnostic Trouble Codes
DTC 12 Diagnostic System Check
DTC 21/31 Courtesy Lamps Feed Shorted to Ground
DTC 22/32 Courtesy Lamps Return Shorted to Battery
DTC 23/33 RAP Feed Shorted to Ground or Battery
DTC 24/34 Seatbelt Indicator Shorted to Ground or Battery
DTC 25/35 Security Indicator Status
DTC 41 Last Message Received Valid
DTC 42 Last Message Received Invalid
DTC 43 Last Message Received with Sumcheck Error
DTC 44 Last Message Received with Encryption Error
DTC 45 Receiver Processing in 20 Second Lockout
DTC 55 Begin Configuration Display
DTC B0016 RF/Passenger Frontal Deployment Loop (Single Stage or Stage 1) Resistance Low
DTC B0017 RF/Passenger Frontal Deployment Loop (Single Stage or Stage 1) Open
DTC B0018 RF/Passenger Frontal Deployment Loop (Single Stage or Stage 1) Short to Ground/Voltage Out of Range
DTC B0022 LF/Driver Frontal Deployment Loop (Single Stage or Stage 1) Resistance Low
DTC B0024 LF/Driver Frontal Deployment Loop (Single Stage or Stage 1) Short to Ground/Voltage Out of Range
DTC B0026 LF/Driver Frontal Deployment Loop (Single Stage or Stage 1) Open
DTC B0051 Deployment Commanded
DTC B0053 Deployment Commanded with Loop Malfunctions Present
DTC B0670 Air Bag Indicator/Circuit Malfunction
DTC B1000 ECU Malfunction
DTC B1000 IPC Malfunction
DTC B1001 Option Configuration Error
DTC C0035 LF Wheel Speed Circuit Malfunction
DTC C0036 LF Wheel Speed Circuit Range/Performance
DTC C0040 RF Wheel Speed Circuit Malfunction
DTC C0041 RF Wheel Speed Circuit Range/Performance
DTC C0045 LR Wheel Speed Circuit Malfunction
DTC C0046 LR Wheel Speed Circuit Range/Performance
DTC C0050 RR Wheel Speed Circuit Malfunction
DTC C0051 RR Wheel Speed Circuit Range/Performance
DTC C0055 Rear Wheel Speed Circuit Malfunction
DTC C0056 Rear Wheel Speed CKT Range/Performance
DTC C0060 LF ABS Solenoid #1 Circuit Malfunction
DTC C0065 LF ABS Solenoid #2 Circuit Malfunction
DTC C0070 RF ABS Solenoid #1 Circuit Malfunction
DTC C0075 RF ABS Solenoid #2 Circuit Malfunction
DTC C0080 LR ABS Solenoid #1 Circuit Malfunction
DTC C0085 LR ABS Solenoid #2 Circuit Malfunction
DTC C0090 RR ABS Solenoid #1 Circuit Malfunction
DTC C0095 RR ABS Solenoid #2 Circuit Malfunction
DTC C0100 Rear ABS Solenoid #1 Circuit Malfunction
DTC C0105 Rear ABS Solenoid #2 Circuit Malfunction
DTC C0110 Pump Motor Circuit Malfunction
DTC C0121 Valve Relay Circuit Malfunction
DTC C0161 ABS/TCS Brake Switch Circuit Malfunction
DTC C0166 TCS Priming Line Valve CKT Malfunction
DTC C0171 TCS Pilot Valve Circuit Malfunction
DTC C0181 Throttle Reduction Motor CKT Malfunction
DTC C0182 Throttle Reduction Motor CKT Range Perf
DTC C0236 TCS RPM Signal Circuit Malfunction
DTC C0237 TCS Throttle Position Signal Malfunction
DTC C0238 TCS TP Sensor Comparison Malfunction
DTC C0239 TCS Spark Retard Monitoring Malfunction
DTC C0240 PCM Traction Control Not Allowed
DTC C0241 PCM Indicated Requested Torque Malf
DTC C0244 PWM Delivered Torque Malfunction
DTC C0245 Wheel Speed Sensor Frequency Error
DTC C0266 ADS Controller Malfunction
DTC C0550 ECU Malfunction
DTC C0896 Device Voltage Range/Performance
DTC C0901 Device #2 Voltage Low
DTC P0101 Mass Air Flow (MAF) Sensor Performance
DTC P0101 Mass Air Flow (MAF) Sensor Performance
DTC P0102 Mass Air Flow (MAF) Sensor Circuit Low Frequency
DTC P0102 Mass Air Flow (MAF) Sensor Circuit Low Frequency
DTC P0103 Mass Air Flow (MAF) Sensor Circuit High Frequency
DTC P0103 Mass Air Flow (MAF) Sensor Circuit High Frequency
DTC P0107 Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage
DTC P0107 Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage
DTC P0108 Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage
DTC P0108 Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage
DTC P0112 Intake Air Temperature (IAT) Sensor Circuit Low Voltage
DTC P0112 Intake Air Temperature (IAT) Sensor Circuit Low Voltage
DTC P0113 Intake Air Temperature (IAT) Sensor Circuit High Voltage
DTC P0113 Intake Air Temperature (IAT) Sensor Circuit High Voltage
DTC P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage
DTC P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage
DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage
DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage
DTC P0121 TP Sensor Circuit Insufficient Activity
DTC P0122 Throttle Position (TP) Sensor Circuit Low Voltage
DTC P0123 Throttle Position (TP)Sensor Circuit High Voltage
DTC P0125 Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control
DTC P0125 Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control
DTC P0131 HO2S Circuit Low Voltage Bank 1 Sensor 1
DTC P0131 HO2S Circuit Low Voltage Bank 1 Sensor 1
DTC P0132 HO2S Circuit High Voltage Bank 1 Sensor 1
DTC P0132 HO2S Circuit High Voltage Bank 1 Sensor 1
DTC P0133 HO2S Slow Response Bank 1 Sensor 1
DTC P0133 HO2S Slow Response Bank 1 Sensor 1
DTC P0134 HO2S Circuit Insufficient Activity Bank 1 Sensor 1
DTC P0134 HO2S Circuit Insufficient Activity Bank 1 Sensor 1
DTC P0135 HO2S Heater Performance Bank 1 Sensor 1
DTC P0135 HO2S Heater Performance Bank 1 Sensor 1
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 Heater Performance Bank 1 Sensor 2
DTC P0143 HO2S Circuit Low Voltage Bank 1 Sensor 3
DTC P0144 HO2S Circuit High Voltage Bank 1 Sensor 3
DTC P0146 HO2S Circuit Insufficient Activity Bank 1 Sensor 3
DTC P0147 HO2S Heater Performance Bank 1 Sensor 3
DTC P0151 HO2S Circuit Low Voltage Bank 2 Sensor 1
DTC P0151 HO2S Circuit Low Voltage Bank 2 Sensor 1
DTC P0152 HO2S Circuit High Voltage Bank 2 Sensor 1
DTC P0152 HO2S Circuit High Voltage Bank 2 Sensor 1
DTC P0153 HO2S Slow Response Bank 2 Sensor 1
DTC P0153 HO2S Slow Response Bank 2 Sensor 1
DTC P0154 HO2S Circuit Insufficient Activity Bank 2 Sensor 1
DTC P0154 HO2S Circuit Insufficient Activity Bank 2 Sensor 1
DTC P0155 HO2S Heater Performance Bank 2 Sensor 1
DTC P0155 HO2S Heater Performance Bank 2 Sensor 1
DTC P0157 HO2S Circuit Low Voltage Bank 2 Sensor 2
DTC P0158 HO2S Circuit High Voltage Bank 2 Sensor 2
DTC P0160 HO2S Circuit Insufficient Activity Bank 2 Sensor 2
DTC P0161 HO2S Heater Performance Bank 2 Sensor 2
DTC P0171 Fuel Trim System Lean Bank 1
DTC P0171 Fuel Trim System Lean Bank 1
DTC P0172 Fuel Trim System Rich Bank 1
DTC P0172 Fuel Trim System Rich Bank 1
DTC P0174 Fuel Trim System Lean Bank 2
DTC P0174 Fuel Trim System Lean Bank 2
DTC P0175 Fuel Trim System Rich Bank 2
DTC P0175 Fuel Trim System Rich Bank 2
DTC P0200 Injector Control Circuit
DTC P0201 Injector 1 Control Circuit
DTC P0202 Injector 2 Control Circuit
DTC P0203 Injector 3 Control Circuit
DTC P0204 Injector 4 Control Circuit
DTC P0205 Injector 5 Control Circuit
DTC P0206 Injector 6 Control Circuit
DTC P0218 Transmission Fluid Overtemperature
DTC P0230 Fuel Pump Relay Control Circuit
DTC P0230 Fuel Pump Relay Control Circuit
DTC P0300 Engine Misfire Detected
DTC P0300 Engine Misfire Detected
DTC P0325 Knock Sensor Module Performance
DTC P0325 Knock Sensor Module Performance
DTC P0327 Knock Sensor (KS) 1 Circuit
DTC P0327 Knock Sensor (KS) Circuit
DTC P0332 Knock Sensor (KS) 2 Circuit
DTC P0332 Knock Sensor (KS) 2 Circuit
DTC P0335 Crankshaft Position (CKP) Sensor Circuit
DTC P0336 Crankshaft Position (CKP) Sensor Circuit
DTC P0336 Crankshaft Position (CKP) Sensor Performance
DTC P0341 Camshaft Position (CMP) 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 Ignition Coil 1 Control Circuit
DTC P0352 Ignition Coil 2 Control Circuit
DTC P0353 Ignition Coil 3 Control Circuit
DTC P0354 Ignition Coil 4 Control Circuit
DTC P0355 Ignition Coil 5 Control Circuit
DTC P0356 Ignition Coil 6 Control Circuit
DTC P0357 Ignition Coil 7 Control Circuit
DTC P0358 Ignition Coil 8 Control Circuit
DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient
DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient
DTC P0403 Exhaust Gas Recirculation (EGR) Solenoid Control Circuit
DTC P0404 Exhaust Gas Recirculation (EGR) Open Position Performance
DTC P0404 Exhaust Gas Recirculation (EGR) Open Position Performance
DTC P0405 Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage
DTC P0405 Exhaust Gas Recirculation (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 P0420 Catalyst System Low Efficiency Bank 1
DTC P0430 Catalyst System Low Efficiency Bank 2
DTC P0440 Evaporative Emission (EVAP) System
DTC P0440 Evaporative Emission (EVAP) System
DTC P0442 Evaporative Emission (EVAP) System Small Leak Detected
DTC P0442 Evaporative Emission (EVAP) System Small Leak Detected
DTC P0443 Evaporative Emission (EVAP) Purge Solenoid Control Circuit
DTC P0443 Evaporative Emission (EVAP) Purge Solenoid Control Circuit
DTC P0446 Evaporative Emission (EVAP) Vent System Performance
DTC P0446 Evaporative Emission (EVAP) Vent System Performance
DTC P0449 Evaporative Emission (EVAP) Vent Solenoid Control Circuit
DTC P0449 Evaporative Emission (EVAP) Vent Solenoid Control Circuit
DTC P0452 Fuel Tank Pressure Sensor Circuit Low Voltage
DTC P0452 Fuel Tank Pressure Sensor Circuit Low Voltage
DTC P0453 Fuel Tank Pressure Sensor Circuit High Voltage
DTC P0453 Fuel Tank Pressure Sensor Circuit High Voltage
DTC P0461 Fuel Level Sensor Performance
DTC P0462 Fuel Level Sensor Circuit Low Voltage
DTC P0462 Fuel Level Sensor Circuit Low Voltage
DTC P0463 Fuel Level Sensor Circuit High Voltage
DTC P0463 Fuel Level Sensor Circuit High Voltage
DTC P0480 Cooling Fan Relay 1 Control Circuit
DTC P0480 Cooling Fan Relay 1 Control Circuit
DTC P0481 Cooling Fan Relay 2 and 3 Control Circuit
DTC P0481Cooling Fan Relay 2 Control Circuit
DTC P0500 Vehicle Speed Sensor (VSS) Circuit
DTC P0500 Vehicle Speed Sensor (VSS) Circuit
DTC P0502 Vehicle Speed Sensor (VSS) Circuit Low Input
DTC P0503 Vehicle Speed Sensor (VSS) Circuit Intermittent
DTC P0506 Idle Speed Low
DTC P0506 Idle Speed Low
DTC P0507 Idle Speed High
DTC P0507 Idle Speed High
DTC P0530 Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit
DTC P0530 Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit
DTC P0560 System Voltage
DTC P0562 System Voltage Low
DTC P0563 System Voltage High
DTC P0567 Cruise Control Resume Switch Circuit
DTC P0568 Cruise Control Set Switch Circuit
DTC P0571 Cruise Control Brake Switch Circuit
DTC P0601 Control Module Read Only Memory (ROM)
DTC P0601 Control Module Read Only Memory (ROM)
DTC P0602 Control Module Not Programmed
DTC P0602 Control Module Not Programmed
DTC P0604 Control Module Random Access Memory (RAM)
DTC P0604 Control Module Random Access Memory (RAM)
DTC P0606 Control Module Internal Performance
DTC P0608 Vehicle Speed Output Circuit
DTC P0645 Air Conditioning (A/C) Clutch Relay Control Circuit
DTC P0650 Malfunction Indicator Lamp (MIL) Control Circuit
DTC P0650 Malfunction Indicator Lamp (MIL) Control Circuit
DTC P0704 Clutch Switch Circuit
DTC P0704 Clutch Switch Circuit
DTC P0711 TFT Sensor Circuit Range/Performance
DTC P0712 Transmission Fluid Temperature (TFT) Sensor Circuit Low Input
DTC P0713 Transmission Fluid Temperature (TFT) Sensor Circuit High Input
DTC P0719 Brake Switch Circuit Low Input
DTC P0724 Brake Switch Circuit High Input
DTC P0740 TCC Enable Solenoid Circuit Electrical
DTC P0742 TCC System Stuck On
DTC P0748 Pressure Control Solenoid Circuit Electrical
DTC P0751 1-2 Shift Solenoid Valve Performance
DTC P0753 1-2 Shift Solenoid Circuit Electrical
DTC P0756 2-3 Shift Solenoid Valve Performance
DTC P0758 2-3 Shift Solenoid Circuit Electrical
DTC P0785 3-2 Shift Solenoid Circuit Electrical
DTC P0801 Reverse Inhibit Solenoid Control Circuit
DTC P0803 Skip Shift Solenoid Control 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 P1111 Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage
DTC P1112 Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage
DTC P1112 Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage
DTC P1114 Engine Coolant Temperature (ECT) 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 P1115 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage
DTC P1120 Throttle Position (TP) Sensor 1 Circuit
DTC P1121 Throttle Position (TP) Sensor Circuit Intermittent High Voltage
DTC P1122 Throttle Position (TP) Sensor Circuit Intermittent Low Voltage
DTC P1125 Accelerator Pedal Position (APP) System
DTC P1133 HO2S Insufficient Switching Bank 1 Sensor 1
DTC P1133 HO2S Insufficient Switching Bank 1 Sensor 1
DTC P1134 HO2S Transition Time Ratio Bank 1 Sensor 1
DTC P1134 HO2S Transition Time Ratio Sensor 1
DTC P1153 HO2S Insufficient Switching Bank 2 Sensor 1
DTC P1153 HO2S Insufficient Switching Bank 2 Sensor 1
DTC P1154 HO2S Transition Time Ratio Bank 2 Sensor 1
DTC P1154 HO2S Transition Time Ratio Bank 2 Sensor 1
DTC P1220 Throttle Position (TP) Sensor 2 Circuit
DTC P1221 Throttle Position (TP) Sensor 1- 2 Correlation
DTC P1258 Engine Coolant Overtemperature - Protection Mode Active
DTC P1271 Accelerator Pedal Position (APP) Sensor 1-2 Correlation
DTC P1272 Accelerator Pedal Position (APP) Sensor 2-3 Correlation
DTC P1273 Accelerator Pedal Position (APP) Sensor 1-3 Correlation
DTC P1275 Accelerator Pedal Position (APP) Sensor 1 Circuit
DTC P1276 Accelerator Pedal Position (APP) Sensor 1 Performance
DTC P1280 Accelerator Pedal Position (APP) Sensor 2 Circuit
DTC P1281 Accelerator Pedal Position (APP) Sensor 2 Performance
DTC P1285 Accelerator Pedal Position (APP) Sensor 3 Circuit
DTC P1286 Accelerator Pedal Position (APP) Sensor 3 Performance
DTC P1336 Crankshaft Position (CKP) System Variation Not Learned
DTC P1336 Crankshaft Position (CKP) System Variation Not Learned
DTC P1351 Ignition Coil Control Circuit High Voltage
DTC P1352 Ignition Bypass Circuit High Voltage
DTC P1361 Ignition Control (IC) Circuit Low Voltage
DTC P1362 Ignition Bypass Circuit Low Voltage
DTC P1374 Crankshaft Position (CKP) High to Low Resolution Frequency Correlation
DTC P1380 Misfire Detected - Rough Road Data Not Available
DTC P1380 Misfire Detected - Rough Road Data Not Available
DTC P1381 Misfire Detected - No Communication with Brake Control Module
DTC P1381 Misfire Detected - No Communication with Brake Control Module
DTC P1404 Exhaust Gas Recirculation (EGR) Closed Position Performance
DTC P1404 Exhaust Gas Recirculation (EGR) Closed Position Performance
DTC P1415 Secondary Air Injection (AIR) System Bank 1
DTC P1416 Secondary Air Injection (AIR) System Bank 2
DTC P1441 Evaporative Emission (EVAP) System Flow During Non-Purge
DTC P1441 Evaporative Emission (EVAP) System Flow During Non-Purge
DTC P1514 Throttle Body Performance
DTC P1515 Control Module Throttle Actuator Position Performance
DTC P1516 Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance
DTC P1517 Throttle Actuator Control (TAC) Module Performance
DTC P1518 Throttle Actuator Control (TAC) Module Serial Data Circuit
DTC P1519 Throttle Actuator Control (TAC) Module Internal Circuit
DTC P1523 Throttle Closed Position Performance
DTC P1539 Air Conditioning (A/C) Clutch Feedback Circuit High Voltage
DTC P1546 Air Conditioning (A/C) Clutch Feedback Circuit Low Voltage
DTC P1546 Air Conditioning (A/C) Clutch Relay Control Circuit
DTC P1571 Traction Control Torque Request Circuit
DTC P1574 Stoplamp Switch Circuit
DTC P1626 Theft Deterrent Fuel Enable Signal Lost
DTC P1626 Theft Deterrent Fuel Enable Signal Lost
DTC P1629 Theft Deterrent Fuel Enable Signal Not Received
DTC P1635 5 Volt Reference 1 Circuit
DTC P1635 5 Volt Reference Circuit
DTC P1637 Generator L-Terminal Circuit
DTC P1639 5 Volt Reference 2 Circuit
DTC P1639 5 Volt Reference 2 Circuit
DTC P1689 Traction Control Delivered Torque Output Circuit
DTC P1810 TFP Valve Position Switch Circuit
DTC P1860 TCC PWM Solenoid Circuit Electrical
DTC P1870 Transmission Component Slipping
DTC U1000 Loss of Class 2 Serial Data Fault
DTC U1016 Loss of PCM Class 2 Serial Data Com
DTC U1040 EBCM Class 2 Serial Data SOH Fault
DTC U1088 Loss of SDM Class 2 Serial Data Com
DTC U1096 IPC Class 2 Serial Data SOH Fault
DTC U1300 Class 2 Short to Ground
DTC U1301 Class 2 Short to Battery