P10C9 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 Fix Code P10C9?
Start by checking the “possible causes” listed above. Visually inspect the corresponding cable 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 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.