Index des codes défaut · medium
P1001
Engine running system self-test not complete
Engine running system self-test not complete
Applies to: All X-TYPE variants, 2001-2009 (saloon & estate) · Confidence: Manufacturer code list + field-verified causes
Common causes
- Self-test aborted or not run to completion
- Engine not at operating temperature during test
Quick checks
- Scan access: Jaguar-specific: WDS/IDS or a Jaguar-capable scan tool
- Prefer official/field-verified path before guessing sensors
Typical fixes
- Repeat the KOER self-test with the engine fully warm and all accessories off