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OBDII/EOBD diagnostics trouble codes definition

If your car supports OBD II or EOBD, then you can already use almost 5000 generic OBDII codes. These codes are from PowerTrain series (P0XXX, P2XXX, P34XX), Body Series (B0XXX), Chassis series (C0XXX), Network series (U0XXX, U2XXX, U3XXX).

Also there is a list of more than 13500 additional manufacturer specific codes.

Supported manufacturers with specific OBD2 codes:


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Definition of check engine code P1285:

BMW:

Switching Solenoid for Air Assisted Injection Valves Bank 1 Control Circuit Signal High

Chrysler/Dodge/Jeep:

Fuel Injection pump controller always on

Citroen/Peugeot:

Cylinder head over temp sensed

Ford:

Cylinder head over temp sensed

GM:

Accelerator Pedal Position Sensor 3 Circuit

Lincoln:

Cylinder head over temp sensed

Mercury:

Cylinder head over temp sensed

Oldsmobile:

Cylinder head over temp sensed

Plymouth:

Fuel Injection Pump Controller Always On

Volkswagen/Audi:

Fuel Inj. Air Contr. Valve Circ. Short to Ground

Volvo:

Fuel Inj. Air Contr. Valve Circ. Short to Ground