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GM OBD2 codes

GM OBD2 codes

Each manufacturer is allowed to generate its own “manufacturer-specific” P codes. Manufacturer-specific P codes start with P1000. If your trouble GM code starts with P1XXX, find the GM OBD2 codes here.

P1083    Fuel Control Mixture Lean (Bank 1 Sensor 1)
P1111    Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage
P1112    Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage
P1114    Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage
P1115    Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage
P1120    Throttle Position (TP) Sensor 1 Circuit
P1125    Accelerator Pedal Position (APP) System
P1133    or P1153 HO2S Insufficient Switching
P1134    or P1154 HO2S Transition Time Ratio
P1220    Throttle Position (TP) Sensor 2 Circuit
P1221    Throttle Position (TP) Sensor 1- 2 Correlation
P1258    Engine Coolant Overtemperature – Protection Mode Active
P1275    Accelerator Pedal Position (APP) Sensor 1 Circuit
P1276    Accelerator Pedal Position (APP) Sensor 1 Performance
P1280    Accelerator Pedal Position (APP) Sensor 2 Circuit
P1281    Accelerator Pedal Position (APP) Sensor 2 Performance
P1285    Accelerator Pedal Position (APP) Sensor 3 Circuit
P1286    Accelerator Pedal Position (APP) Sensor 3 Performance
P1336    Crankshaft Position (CKP) System Variation Not Learned
P1380    Misfire Detected – Rough Road Data Not Available
P1381    Misfire Detected – No Communication with Brake Control Module
P1415    or P1416 Secondary Air Injection (AIR) System
P1431    Fuel Level Sensor 2 Performance
P1432    Fuel Level Sensor 2 Circuit Low Voltage
P1433    Fuel Level Sensor 2 Circuit High Voltage
P1441    Evaporative Emission (EVAP) System Flow During Non-Purge
P1514    Throttle Body Performance
P1515     Control Module Throttle Actuator Position Performance
P1516    Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance
P1517     Throttle Actuator Control (TAC) Module Performance
P1518    Throttle Actuator Control (TAC) Module Serial Data Circuit
P1539    Air Conditioning (A/C) Clutch Feedback Circuit High Voltage
P1546    Air Conditioning (A/C) Clutch Feedback Circuit Low Voltage
P1574    Stoplamp Switch Circuit
P1575     Extended Travel Brake Switch Circuit
P1626     Theft Deterrent Fuel Enable Signal Lost
P1630    Theft Deterrent Learn Mode Active
P1631    Theft Deterrent Start Enable Signal Not Correct
P1635    5 Volt Reference 1 Circuit
P1637    Generator L-Terminal Circuit
P1638    Generator F-Terminal Circuit
P1639    5 Volt Reference 2 Circuit
P1652    Powertrain Induced Chassis Pitch Output Circuit
P1810    TFP Valve Position Switch Circuit
P1860    TCC PWM Solenoid Circuit Electrical
P1870    Transmission Component Slipping

Posted on by Rick Muscoplat


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