P1509

Manufacturer-specific fault code

This code has different meanings depending on the manufacturer. Select your vehicle make below to view specific diagnosis and solutions:

Code breakdown

P — System

Powertrain (engine, transmission, fuel & emissions)

1 — Type

Manufacturer-specific

5 — Subsystem

Vehicle speed control, idle control and auxiliary inputs

Fiat
Elettrovalvola regolazione aria del minimo circuito aperto o circuito chiuso
Buick Cadillac Chevrolet Chrysler GM GMC Oldsmobile Saturn
IAC System High RPM
Jaguar Mazda
Idle Air Control Circuit Shorted
BMW
Idle Speed Control Valve Opening Solenoid Control Circuit Electrical
Volkswagen
Idle Air Control Circuit Electrical Malfunction