Arıza kodu dizini · high
U0121
Lost communication with ABS control module
Lost communication with ABS control module
Applies to: All X-TYPE variants, 2001-2009 (saloon & estate) · Confidence: Platform code set + documented X-TYPE failures
Common causes
- ABS module unpowered
- CAN wiring open
- ABS module internal failure
Quick checks
- Scan access: Generic scan tool (U0xxx) / WDS-IDS (U1xxx, U2xxx)
Typical fixes
- Check ABS module power and grounds
- Check CAN wiring
- An internally failed ABS module (solder fatigue) commonly drops off the bus on X-TYPE