P10D9 BMW Possible Causes
- Faulty fuel rail pressure sensor
- Fuel rail pressure sensor wiring harness is open or short-circuited
- Poor electrical connection in the fuel rail pressure sensor circuit
How to Fix BMW P10D9 Code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Illuminated check engine light (or service engine soon warning light)
P10D9 BMW Meaning
The engine control module (ECM) monitors the signal from fuel rail pressure sensor “A”. The ECM sets the OBDII code when the signal from fuel rail pressure sensor “A” is stuck.