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CarOBDCodes

The code is a starting point

Look up an OBD-II trouble code.

Search 3,195 reference definitions. Check the code description first, then confirm it applies to your vehicle before following a diagnostic procedure.

P

Powertrain

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B

Body

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C

Chassis

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U

Network

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Manufacturer-specific descriptions can vary with model, engine and year. This directory preserves the supplied reference data; it is not a substitute for vehicle-specific service information. Detailed guides identify their sources and reviewer.

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P1126Throttle Position (Narrow Range) Sensor Circuit MalfunctionP1127Exhaust Not Warm, Downstream O2 SensorP1128Upstream Heated O2 Sensors SwappedP1129Downstream Heated O2 Sensors SwappedP1130Lack Of HO2S Switch – Adaptive Fuel At LimitP1131Lack Of HO2S Switch – Sensor Indicates LeanP1132Lack Of HO2S Switch – Sensor Indicates RichP1133HO2S Insufficient Switching Sensor 1P1134HO2S Transition Time Ratio Sensor 1P1135Pedal Position Sensor A Circuit IntermittentP1136Fan Control Circuit MalfunctionP1137Lack Of HO2S Switch – Sensor Indicates LeanP1138Lack Of HO2S12 Switch – Sensor Indicates RichP1139Water In Fuel Indicator Circuit MalfunctionP1140Water In Fuel ConditionP1141Fuel Restriction Indicator Circuit MalfunctionP1142Fuel Restriction ConditionP1143Air Assist Control Valve Range/PerformanceP1144Air Assist Control Valve Circuit MalfunctionP1150Lack Of HO2S21 Switch – Adaptive Fuel At LimitP1151Lack Of HO2S21 Switch – Sensor Indicates LeanP1152Lack Of HO2S21 Switch – Sensor Indicates RichP1153Bank 2 Fuel Control Shifted LeanP1154Bank 2 Fuel Control Shifted RichP1155Alternative Fuel ControllerP1156Fuel Select Switch MalfunctionP1157Lack Of HO2S22 Switch – Sensor Indicates LeanP1158Lack Of HO2S22 Switch – Sensor Indicates RichP1159Fuel Stepper Motor MalfunctionP1167Invalid Test,throttle not depressedP1168Fuel Rail Sensor In-Range Low FailureP1169Fuel Rail Sensor In-Range High FailureP1170ESO – Engine Shut Off Solenoid FaultP1171Rotor Sensor FaultP1172Rotor Control FaultP1173Rotor Calibration FaultP1174Cam Sensor FaultP1175Cam Control FaultP1176Cam Calibration FaultP1177Synchronization FaultP1178( open )P1180Fuel Delivery System Malfunction – LowP1181Fuel Delivery System Malfunction – HighP1182Fuel Shut Off Solenoid MalfunctionP1183Engine Oil Temperature Circuit MalfunctionP1184Engine Oil Temperature Out Of Self Test RangeP1185FTS High – Fuel Pump Temperature Sensor HighP1186FTS Low – Fuel Pump Temperature Sensor LowP1187Variant SelectionP1188Calibration Memory Fault

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