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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 P1766:

Chrysler/Dodge/Jeep:

Transmission Relay Stuck Off

Daewoo:

TORQUE REDUC. SIG. CT MAL

Lincoln:

Shift Solenoid D Performance

Mercury:

Shift Solenoid D Performance

Oldsmobile:

Shift Solenoid D Performance

Volkswagen/Audi:

Throttle Angle Signal Stuck Off

Volvo:

Throttle Angle Signal Stuck Off

Ford:

SHIFT SOLENOID "D" PERFORMANCE