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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 P1506:

BMW

Idle-Speed Control Valve Opening Solenoid Control Circuit Signal High

Citroen/Peugeot

Idle Air Control Overspeed Error

Daewoo

MPS

Ford

Idle Air Control Overspeed Error

Jaguar

Idle Air Control System RPM Lower Than Expected - B Bank

Lincoln

Idle Air Control Over Speed Error

Mazda

Idle Air Control System Overspeed Detected

Mercedes

IAC system overspeed detected during self test

Mercury

Idle Air Control Over Speed Error

Oldsmobile

Idle Air Control Over Speed Error

Volkswagen/Audi

Closed Throttle Pos. Switch Does Not Open / Short to Ground

Volvo

Closed Throttle Pos. Switch Does Not Open / Short to Ground

GM

Starter Relay Circuit Low
If you can not find the error description, please let us know and we will try to help: