Index storingcodes · medium
C1A00
Control module internal fault
Control module internal fault
Applies to: All X-TYPE variants, 2001-2009 (saloon & estate) · Warning: ABS and/or DSC warning lamp · Default action: DSC/traction control disabled; ABS may be disabled (base brakes retained) · Confidence: Platform code set + documented X-TYPE failures
Common causes
- ABS/DSC module internal failure (commonly solder fatigue)
Quick checks
- Scan access: Jaguar-specific: WDS/IDS or an ABS-capable scan tool
Typical fixes
- Have the module remanufactured or fit a replacement and code it to the vehicle with WDS/IDS