P1161 Possible Causes
- Faulty intake air temperature sensor
- Intake air temperature sensor harness is shorted
- Poor electrical connection in the intake air temperature sensor circuit
How to Fix Code P1161?
Start by checking the “possible causes” listed above. Visually inspect the corresponding cable harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine light on (or service engine soon warning light)
P1161 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.