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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 P1654:

Alfa Romeo:

Intake manifold air control solenoid - circuit malfunction

BMW:

CAN Data Bus Error (Signal Timeout)

Chrysler/Dodge/Jeep:

J1850 Communication Bus Circuit High

Citroen/Peugeot:

Recirculation Override Circuit Malfunction

Fiat:

Control module malfunction

Ford:

Recirculation Override Circuit Malfunction

GM:

Cruise Control Inhibit Output Circuit

Saab:

Fuel Pup Relay Coil Circuit Open / Short To Ground

Toyota:

Idle Up VSV Circuit Malfunction

Volkswagen/Audi:

Please check DTC Memory of control panel ECU

Volvo:

Please check DTC Memory of control panel ECU