DTC P1503 BMW
Idle Air Control Valve Circuit Short to Ground
Idle Air Control Valve Circuit Short to Ground
Description
Engine running the DME detected that the idle air control valve was intermittent.
Cause and Solution
Fuel delivery unit connector is loose or not attached
Fuse 18 cause a short to the transfer fuel pump or the O2S
Fuel pump has failed
Fuel pump relay circuit is shorted to ground, B+ or is open
Video Guide
Diagnostic Info
- DTC Code: P1503
- Brand: BMW