P1508 — Cadillac
P1508 — Cadillac: IAC System Low RPM
Code breakdown
P — System
Powertrain (engine, transmission, fuel & emissions)
1 — Type
Manufacturer-specific
5 — Subsystem
Vehicle speed control, idle control and auxiliary inputs
Manufacturer-specific meanings (Cadillac)
- Elettrovalvola regolazione aria del minimo circuito aperto o circuito chiuso
- IAC System Low RPM
- IAC Valve Circuit Failure
- Idle Air Control Circuit Open
- Idle Speed Control Valve Opening Solenoid Control Open Circuit
- Idle Air Control Valve Closing Coil Voltage High
- Idle System Learned Value Upper Limit Attained