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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 P1662:

Alfa Romeo:

Cruise control indicator lamp -malfunction

Citroen/Peugeot:

IDM_EN Circuit Failure

Ford:

IDM_EN Circuit Failure

GM:

Cruise Lamp Control Circuit

Lincoln:

IDM_EN Circuit Failure

Mercury:

IDM_EN Circuit Failure

Oldsmobile:

IDM_EN Circuit Failure

Saab:

Charge Air Bypass Valve Circuit Open / Short To Ground

Scion:

EGR by-pass Valve Control Circuit.

Toyota:

EGR By - Pass Valve Control Circuit Malfunction

Volkswagen/Audi:

Engine coolant blower motor,speed 2 - short to earth