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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:


Enter code:
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P
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0
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Definition of check engine code P1904:

Citroen/Peugeot:

Pressure Control Solenoid -C- Open Circuit

Ford:

Pressure Control Solenoid "C" Open Circuit

Lincoln:

Kickdown Solenoid Circuit High Voltage

Mercury:

Kickdown Solenoid Circuit High Voltage

Oldsmobile:

Kickdown Solenoid Circuit High Voltage

Volkswagen/Audi:

Engine coolant hydraulic blower motor solenoid - open circuit / short to earth