BMW P1503: Idle Air Control Valve Circuit Short to Ground
Is your scanner showing BMW P1503?
No worries. We'll show you what it means and how to deal with it.
BMW P1503: Idle Air Control Valve Circuit Short to Ground
OVERVIEWWhat Does The BMW P1503 Code Mean?
Engine running the DME detected that the idle air control valve was intermittent.
What Are The Potential Causes Of The BMW P1503 Code?
- 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
- Fuel Pump (FP) Relay not activated
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
BMW P1503, DTCDECODE.
