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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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Definition of check engine code P1891:

Citroen/Peugeot:

Transmission Transfer Case Contact Plate Ground Return Open Circuit

Ford:

Transmission Transfer Case Contact Plate Ground Return Open Circuit

GM:

Throttle Position Sensor PWM Signal Low

Honda:

Problem in Start Clutch System

Lincoln:

Transmission Transfer Case Contact Plate Ground Return Open Circuit

Mercury:

Transmission Transfer Case Contact Plate Ground Return Open Circuit

Oldsmobile:

Transmission Transfer Case Contact Plate Ground Return Open Circuit

Toyota:

SLC Circuit Malfunction