Lost Communication With HVAC Control Module on BMW
BMW
Verified1 source
1 source
- Official data (NHTSA)official_feed
What U0164 means
Safe to drive short-term
The vehicle network has lost communication with the HVAC control module.
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General information, not a diagnosis or repair instruction. Always confirm with a qualified mechanic for your specific vehicle.
Common causes
- Lost Communication With HVAC Control Module
What to check first
- Check wiring to the HVAC module
- Scan for related faults
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