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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 P1490:

Chrysler/Dodge/Jeep:

Low speed fan control relay circuit

Citroen/Peugeot:

Secondary Air Relief Solenoid Circuit Malfunction

Ford:

Secondary Air Relief Solenoid Circuit Malfunction

Infinity:

Vacuum Cut Valve Bypass Valve (Circuit)

Mercedes:

Secondary Air Relief Solenoid Circuit

Mitsubishi:

Low speed fan control relay fault

Nissan:

VC/V BypasS/V

Plymouth:

Low Speed Fan CTRL Relay Circuit Open Or Shorted