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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 P1780:

BMW:

CAN Torque Reduction

Chrysler/Dodge/Jeep:

Pressure switch circuit: ALL

Citroen/Peugeot:

Trans Control Switch (O/D Cancel) Out of Self Test Range

Daewoo:

ENG TORQUE SIG ERR(CAN COMM)

Ford:

Trans Control Switch (O/D Cancel) Out of Self Test Range

GM:

Park/Neutral Position PNP Switch Circuit

Lexus:

PNP Switch Malfunction

Lincoln:

Transmission Control Switch Circuit is Out of Self-Test Range

Mazda:

Transmission Control Switch Circuit

Mercedes:

Modulating pressure switchover valve (AT/CC) (Y3/4) - or - Upshift delay switchover valve (AT/CC) (Y3/5)

Mercury:

Transmission Control Switch Circuit is Out of Self-Test Range

Nissan:

Shift Change Signal

Oldsmobile:

Transmission Control Switch Circuit is Out of Self-Test Range

Opel:

Throttle position (TP) sensor,traction control - circuit malfunction

Saturn:

MIL

Scion:

Park/Neutral Position Switch Malfunction (Only For A/T)

Toyota:

PNP Switch Malfunction

Volvo:

Engine Intervention Unreadable. Also check for loose ECM power relay.