Body
generic / SAE
B0170
HVAC Mode Door Position Sensor
The HVAC control module reports an implausible position signal from the mode (air distribution) door feedback sensor. Without valid feedback the actuator cannot be regulated to the correct position.
SystemBody
Typegeneric / SAE
GroupB0
Range / number1 / 70
Possible causes
- Mode door position sensor failed high
- Wiring or connector fault to actuator medium
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–600 €
- Estimated time: 0.5–4 h
- Component: mode door position sensor
- Component: mode door actuator
- Component: hvac control module
Sources
References
sae:J2012