P0112 – Intake Air Temperature Sensor Low Input
Description
The intake air temperature sensor is reporting a low signal.
Need More Than Just the Fault Code?
A diagnostic scanner with live data, freeze-frame information and the right system access can help you investigate the actual cause before replacing parts.
Compare Diagnostic ScannersSymptoms
- Rough idle
- Hesitation
- Poor acceleration
- Hard starting
- Check engine light
Causes
- Faulty IAT sensor
- Damaged wiring
- Unplugged sensor
- Air intake leak
- ECU issue
Diagnosis
- Inspect IAT wiring
- Check sensor connector
- Test IAT resistance
- Inspect intake system
- Scan live data
Repair
- Replace IAT sensor
- Repair wiring
- Fix intake leaks
- Reconnect sensor
- Update ECU if needed
