P1509

Set by the manufacturer, so it means different things on different makes. 18 makes in the table below.

More codes than this one? Paste your whole scan

What P1509 means, by make 18 makes

Acura IAC Valve Circuit Failure
Audi Valve for idle speed-N71 Electrical fault in circuit 45FD 17917
BMW Idle-Speed Control Valve Opening Solenoid Control Circuit Electrical
Chevrolet Idle Speed High - Idle Air Control (IAC) System Not Responding
Citroen Idle Control System Circuit Shorted
Ford Idle Control System Circuit Shorted
Honda Idle Air Control Valve (IACV) Circuit Failure
Isuzu IAC System RPM High
Jaguar Idle Air Control Circuit Shorted
Kia Idle Air Control Circuit Shorted
Land Rover Idle Speed Control Short Circuit Fault
Mazda Bypass Air Solenoid 2 Circuit
Mercedes-Benz Bypass air solenoid 2 circuit fault
Opel Idle air control (IAC) valve - circuit malfunction
Peugeot Idle Control System Circuit Shorted
Saturn IAC Stuck Open
Volkswagen Valve for idle speed-N71 Electrical fault in circuit 45FD 17917
Volvo Idle Air Control Circ. Electrical Malfunction

Each line is that manufacturer's own meaning for P1509. They are genuinely different faults, not rewordings of one, so a meaning listed against one make says nothing about the others. If your make is not listed, we do not hold it - your manufacturer's service information is the authority.

Code structure P1509

Powertrain

engine, transmission and emissions

Manufacturer-specific

Defined by the vehicle manufacturer, so the meaning varies between makes.

Fault index

identifies the specific fault

Powertrain Manufacturer-specific

Nearby codes in the P1 range

Manufacturer code meanings from kierandrewett/obd (b56a07a), used under the MIT licence. Copyright (c) Kieran Drewett. SpareRadar is not affiliated with the dataset's authors.