Body
generic / SAE
B0255
HVAC Air Temperature External Sensor Circuit
A fault has been detected in the external (ambient) temperature sensor circuit used by the HVAC and instrument cluster.
SystemBody
Typegeneric / SAE
GroupB0
Range / number2 / 55
Possible causes
- Ambient sensor failure (often behind front grille) high
- Water in connector medium
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 30–150 €
- Estimated time: 0.2–1 h
- Component: ambient temperature sensor
- Component: hvac control module
Sources
References
sae:J2012