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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 B0057:

Generic (Common for all car manufacturers):

Third Row Center Seatbelt Sensor (Subfault)

GM:

RF/Passenger Pretensioner Deployment Loop Resistance Low