HVAC Air Temperature Internal Sensor Circuit
The HVAC controller has detected a fault in the internal cabin air temperature sensor circuit, used to regulate climate control output.
Affected components
- Cabin air temperature sensor
- Hvac control module
Common causes
- High likelihood: Sensor element failure
- Medium likelihood: Aspirator/blower fan dirty
- Medium likelihood: Open wiring to sensor
Possible symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.