Body
generic / SAE
B0168
HVAC Air Mix Door Performance
The HVAC control module has detected that the air mix (blend) door does not reach the commanded position within the expected time. The blend door regulates the ratio of air through the heater core versus around it.
SystemBody
Typegeneric / SAE
GroupB0
Range / number1 / 68
Possible causes
- Blend door actuator motor failed high
- Blend door mechanically binding or broken medium
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–800 €
- Estimated time: 0.5–6 h
- Component: air mix door actuator
- Component: hvac control module
- Component: blend door linkage
Sources
References
sae:J2012