OBD fault code library
Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.
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Fault codes
P1152
O2 Sensor Heater Circuit Low Voltage Bank 2 Sensor 1
BMW
Fuel and Air Metering
Medium severity
P1156
O2 Sensor Heater Circuit Low Voltage Bank 2 Sensor 2
BMW
Fuel and Air Metering
Medium severity
P1285
Switching Solenoid for Air Assisted Injection Valves Bank 1 Control Circuit Signal High
BMW
Auxiliary Emissions Control
Medium severity
P1278
Accelerator Pedal Position Sensor 1 Circuit High Voltage
Chevrolet
Vehicle Speed and Idle Control System
Low severity
P1287
Accelerator Pedal Position Sensor 3 Circuit Low Voltage
Chevrolet
Vehicle Speed and Idle Control System
Low severity
P1299
Cylinder Head Temperature Sensor Detected Engine Overheating Condition
Chevrolet
Injector Circuit
High severity
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