OBD-II Code · Body
B2722
HVAC Blend Door Actuator Circuit
low severitySafe to drive$150-$500
Blend door actuator fault.
Common symptoms
- Temp doesn't change
- Clicking noise
Likely causes
- Failed actuator
- Broken door
Where to start
- Try the cheapest cause first. Start by checking: failed actuator.
- Cost & scope. $150-$500
- If the code returns after the fix: escalate to a shop or scanner with live-data and freeze-frame. A code that re-sets means the underlying fault is still there.
Related codes
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