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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 P1738:

Acura:

TCM A/T Controller Circuit

BMW:

Pressure Control Solenoid "C" Electrical

Chrysler/Dodge/Jeep:

High Temperature Operation Activated (trans overheat)

Citroen/Peugeot:

Shift Time Error

Daewoo:

SHIFT SYSTEM FAULT

Ford:

Shift Time Error

Honda:

Problem in 2nd Clutch Pressure Switch Circuit

Mercedes:

Shift Time Error