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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 P1549:

Citroen/Peugeot:

IMCC Circuit Malfunction, Bank B

Ford:

IMCC Circuit Malfunction, Bank B

Jaguar:

Variable induction system 1 low/high input

Lincoln:

Intake Manifold Temperature Valve Vacuum Actuator Connection

Mercury:

Intake Manifold Temperature Valve Vacuum Actuator Connection

Oldsmobile:

Intake Manifold Temperature Valve Vacuum Actuator Connection

Saab:

Boost Pressure Control, Malfunction

Volkswagen/Audi:

Boost Pressure Contr. Valve Short to Ground

Volvo:

Boost Pressure Contr. Valve Short to Ground

GM:

A/C "Mode" Circuit High