OBDCar OBD Codes

Powertrain OBD-II Codes (Pxxxx)

1246 diagnostic trouble codes

Powertrain codes cover the engine, transmission, fuel system, emissions controls, and ignition system. These are the most common OBD-II codes, triggered when the engine control module (ECM) or transmission control module (TCM) detects a malfunction.

P1126Throttle Position (Narrow Range) Sensor Circuit MalfunctionManufacturer-specificP1127Exhaust Not Warm, Downstream O2 SensorManufacturer-specificP1128Upstream Heated O2 Sensors SwappedManufacturer-specificP1129Downstream Heated O2 Sensors SwappedManufacturer-specificP1130Lack Of HO2S Switch – Adaptive Fuel At LimitManufacturer-specificP1131Lack Of HO2S Switch – Sensor Indicates LeanManufacturer-specificP1132Lack Of HO2S Switch – Sensor Indicates RichManufacturer-specificP1133HO2S Insufficient Switching Sensor 1Manufacturer-specificP1134HO2S Transition Time Ratio Sensor 1Manufacturer-specificP1135Pedal Position Sensor A Circuit IntermittentManufacturer-specificP1136Fan Control Circuit MalfunctionManufacturer-specificP1137Lack Of HO2S Switch – Sensor Indicates LeanManufacturer-specificP1138Lack Of HO2S12 Switch – Sensor Indicates RichManufacturer-specificP1139Water In Fuel Indicator Circuit MalfunctionManufacturer-specificP1140Water In Fuel ConditionManufacturer-specificP1141Fuel Restriction Indicator Circuit MalfunctionManufacturer-specificP1142Fuel Restriction ConditionManufacturer-specificP1143Air Assist Control Valve Range/PerformanceManufacturer-specificP1144Air Assist Control Valve Circuit MalfunctionManufacturer-specificP1150Lack Of HO2S21 Switch – Adaptive Fuel At LimitManufacturer-specificP1151Lack Of HO2S21 Switch – Sensor Indicates LeanManufacturer-specificP1152Lack Of HO2S21 Switch – Sensor Indicates RichManufacturer-specificP1153Bank 2 Fuel Control Shifted LeanManufacturer-specificP1154Bank 2 Fuel Control Shifted RichManufacturer-specificP1155Alternative Fuel ControllerManufacturer-specificP1156Fuel Select Switch MalfunctionManufacturer-specificP1157Lack Of HO2S22 Switch – Sensor Indicates LeanManufacturer-specificP1158Lack Of HO2S22 Switch – Sensor Indicates RichManufacturer-specificP1159Fuel Stepper Motor MalfunctionManufacturer-specificP1167Invalid Test,throttle not depressedManufacturer-specificP1168Fuel Rail Sensor In-Range Low FailureManufacturer-specificP1169Fuel Rail Sensor In-Range High FailureManufacturer-specificP1170ESO – Engine Shut Off Solenoid FaultManufacturer-specificP1171Rotor Sensor FaultManufacturer-specificP1172Rotor Control FaultManufacturer-specificP1173Rotor Calibration FaultManufacturer-specificP1174Cam Sensor FaultManufacturer-specificP1175Cam Control FaultManufacturer-specificP1176Cam Calibration FaultManufacturer-specificP1177Synchronization FaultManufacturer-specificP1178( open )Manufacturer-specificP1180Fuel Delivery System Malfunction – LowManufacturer-specificP1181Fuel Delivery System Malfunction – HighManufacturer-specificP1182Fuel Shut Off Solenoid MalfunctionManufacturer-specificP1183Engine Oil Temperature Circuit MalfunctionManufacturer-specificP1184Engine Oil Temperature Out Of Self Test RangeManufacturer-specificP1185FTS High – Fuel Pump Temperature Sensor HighManufacturer-specificP1186FTS Low – Fuel Pump Temperature Sensor LowManufacturer-specificP1187Variant SelectionManufacturer-specificP1188Calibration Memory FaultManufacturer-specific
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