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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 P1446:

BMW:

Diagnostic Module Tank Leakage (DM-TL) Pump Control Circuit Signal High

Citroen/Peugeot:

Evaporative Vac Solenoid Circuit Malfunction

Fiat:

Additive

Ford:

Evaporative Vac Solenoid Circuit Malfunction

Infinity:

EVAP Canister Vent Control Valve (Close)

Mazda:

EVAP Purge Flow Sensor Circuit High Voltage

Mercedes:

Evaporative Vacuum Solenoid Circuit

Nissan:

Vent Control Valve

Volkswagen/Audi:

Catalyst Temp. Circ Short to Ground

Volvo:

Catalyst Temp. Circ Short to Ground

Subaru:

FUEL TANK SENSOR CONTROL VALVE CIRCUIT LOW