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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 P1890:

Citroen/Peugeot:

Transmission 4WD Mode Select Return Input Circuit Failure

Ford:

Transmission 4WD Mode Select Return Input Circuit Failure

GM:

ECM Data Input Circuit

GM:

Throttle Position Signal Input

Honda:

Shift Control System

Opel:

Throttle position (TP) sensor - circuit malfunction / CAN data bus,ECMITCM communication - malfunction detected

Toyota:

SLC Circuit Malfunction