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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 P1223:

Alfa Romeo:

HO2S Regulator Inner Adjuster Reaches Minimum Or Maximum Value of Correction

BMW:

Pedal Position Sensor 2 High Input

Citroen/Peugeot:

Pedal Demand Sensor B Circuit High Input

Ford:

Pedal Demand Sensor B Circuit High Input

Jaguar:

Pedal demand sensor B circuit high input

Lincoln:

Pedal Demand Sensor B Circuit High Input

Mercedes:

Fuel rack position sensor (Y23/1/1)

Mercury:

Pedal Demand Sensor B Circuit High Input

Mini:

Accelerator pedal position (APP) sensor 2 - high input

Nissan:

Throttle Position Sensor 2

Oldsmobile:

Pedal Demand Sensor B Circuit High Input

Volkswagen/Audi:

Cylinder shut - off exhaust valves Open circuit

Volvo:

Cylinder shut - off exhaust valves Open circuit