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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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Definition of check engine code P1551:

GM:

Throttle Valve Rest Position Not Reached During Learn

Opel:

Electronic throttle system (ETS),engine torque monitoring continuously above limit

Porsche:

Idle Air Control Valve

Saab:

Idle Air Control Valve, Close Function, Control Module Output, Open Circuit

Volkswagen/Audi:

Barometric Pressure Sensor Circ. Short to B +

Volvo:

Barometric Pressure Sensor Circ. Short to B +

Ford:

CYLINDER 1 INJECTOR CIRCUIT RANGE / PERFORMANCE