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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 P1284:

BMW

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

Citroen/Peugeot

Aborted KOER - ICP Failure

Ford

Aborted KOER - ICP Failure

Lincoln

Aborted KOER - ICP Failure

Mercury

Aborted KOER - ICP Failure

Oldsmobile

Aborted KOER - ICP Failure

Plymouth

Fuel Injection Pump Battery Voltage Out Of Range

Volkswagen/Audi

Fuel Inj. Air Contr. Valve Circ. Open

Volvo

Fuel Inj. Air Contr. Valve Circ. Open

GM

Accelerator Pedal Position Sensor 2 Circuit Intermittent
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