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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 P1511:

Alfa Romeo:

Idle speed control (ISC) actuator / idle speed control (ISC) actuator position sensor - circuit malfunction

BMW:

DISA (Differentiated Intake Manifold) Control Circuit Electrical

Chrysler/Dodge/Jeep:

Battery Sense Line 1

Citroen/Peugeot:

Idle Switch (Electric Control Throttle) Circuit Malfunction

Daewoo:

IDLE CHARGE ACTUATOR(ELEC)

Fiat:

Battery voltage below sensing

Ford:

Idle Switch (Electric Control Throttle) Circuit Malfunction

GM:

Throttle Control System - Backup System Performance

Hyundai:

Idle Control Valve Command Signal Shorted (Coil 2)

Mercedes:

Idle Switch (Electric Control Throttle) Circuit

Saturn:

Throttle Control System

Scion:

Boost Pressure Low.

Toyota:

Boost Pressure Low Malfunction

Volkswagen/Audi:

Intake Manifold Changeover Valve circuit electrical malfunction

Volvo:

Intake Manifold Changeover Valve circuit electrical malfunction

Subaru:

Idle Air Control Solenoid Signal 1 Circuit High Input