P10C9 BMW Possible Causes
- Faulty intake air temperature sensor
- Intake air temperature sensor harness is open or shorted
- Poor electrical connection in the intake air temperature sensor circuit
How to Repair BMW P10C9 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
Check engine light illuminated (or service engine soon warning light)
P10C9 BMW Meaning
The engine control module (ECM) monitors the intake air temperature sensor. The ECM sets the OBDII code when the intake air temperature sensor does not meet factory specifications.