P11C2 Possible Causes
- Faulty intake air humidity sensor
- Intake air humidity sensor harness is open or shorted
- Poor electrical connection in the intake air humidity sensor circuit
How is P11C2 Code Repaired?
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.
Technical Notes
The intake air humidity sensor is part of the mass air flow, humidity, BARO, and intake air temperature 1 and 2 sensors with 8 pins.
Possible Symptoms
- Engine light on (or service engine soon warning light)
P11C2 Meaning
The Powertrain Control Module (PCM) monitors the signal from the intake air humidity sensor. The PCM sets the OBDII code when the intake air humidity sensor does not meet factory specifications.