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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 P1156:

BMW:

O2 Sensor Heater Circuit Low Voltage (Bank 2 Sensor 2)

Citroen/Peugeot:

Fuel Select Switch Malfunction

Ford:

Fuel Select Switch Malfunction

GM:

Heated Oxygen Sensor (HO2S) Rich Mean Bank 2 Sensor 1

Toyota:

A/F Sensor Circuit Malfunction (Bank 2 Sensor 2)

Volkswagen/Audi:

Manifold Abs. Pressure Sensor Circ. Open / Short to Ground

Volvo:

Manifold Abs. Pressure Sensor Circ. Open / Short to Ground