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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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P0156O2 Sensor Circuit Malfunction (Bank 2 Sensor 2)P0157O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2)P0158O2 Sensor Circuit High Voltage (Bank 2 Sensor 2)P0159O2 Sensor Circuit Slow Response (Bank 2 Sensor 2)P0160O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)P0161O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)P0162O2 Sensor Circuit Malfunction (Bank 2 Sensor 3)P0163O2 Sensor Circuit Low Voltage (Bank 2 Sensor 3)P0164O2 Sensor Circuit High Voltage (Bank 2 Sensor 3)P0165O2 Sensor Circuit Slow Response (Bank 2 Sensor 3)P0166O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 3)P0167O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 3)P0170Fuel Trim Malfunction (Bank 1)P0171System Too Lean (Bank 1)P0172System Too Rich (Bank 1)P0173Fuel Trim Malfunction (Bank 2)P0174System Too Lean (Bank 2)P0175System Too Rich (Bank 2)P0176Fuel Composition Sensor Circuit MalfunctionP0177Fuel Composition Sensor Circuit Range/PerformanceP0178Fuel Composition Sensor Circuit Low InputP0179Fuel Composition Sensor Circuit High InputP0180Fuel Temperature Sensor A Circuit MalfunctionP0181Fuel Temperature Sensor A Circuit PerformanceP0182Fuel Temperature Sensor A Circuit low InputP0183Fuel Temperature Sensor A Circuit High InputP0184Fuel Temperature Sensor A Circuit IntermittentP0185Fuel Temperature Sensor B Circuit MalfunctionP0186Fuel Temperature Sensor B Circuit Range/PerformanceP0187Fuel Temperature Sensor U Circuit Low InputP0188Fuel Temperature Sensor B Circuit High InputP0189Fuel Temperature Sensor B Circuit IntermittentP0190Fuel Rail Pressure Sensor Circuit MalfunctionP0191Fuel Rail Pressure Sensor Circuit Range/PerformanceP0192Fuel Rail Pressure Sensor Circuit Low InputP0193Fuel Rail Pressure Sensor Circuit High InputP0194Fuel Rail Pressure Sensor Circuit IntermittentP0195Engine Oil Temperature Sensor MalfunctionP0196Engine Oil Temperature Sensor Range/PerformanceP0197Engine Oil Temperature Sensor LowP0198Engine Oil Temperature Sensor HighP0199Engine Oil Temperature Sensor IntermittentP0200Injector Circuit MalfunctionP0201Injector Circuit Malfunction – Cylinder 1P0202Injector Circuit Malfunction – Cylinder 2P0203Injector Circuit Malfunction – Cylinder 3P0204Injector Circuit Malfunction – Cylinder 4P0205Injector Circuit Malfunction – Cylinder 5P0206Injector Circuit Malfunction – Cylinder 6P0207Injector Circuit Malfunction – Cylinder 7

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