Felkodsregister · high
U0164
Lost communication with HVAC control module
Lost communication with HVAC control module
Applies to: All X-TYPE variants, 2001-2009 (saloon & estate) · Confidence: Platform code set + documented X-TYPE failures
Common causes
- Climate module unpowered
- CAN/bus wiring fault
Quick checks
- Scan access: Generic scan tool (U0xxx) / WDS-IDS (U1xxx, U2xxx)
Typical fixes
- Check climate module fuses and connector
- Check bus wiring