2004 Jaguar XJ8 problems & reliability
54 owner complaints filed with NHTSA for the 2004 Jaguar XJ8. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
2 complaints report injuries (6 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Suspension → | 17 | 31% |
| Vehicle Speed Control → | 12 | 22% |
| Power Train | 8 | 15% |
| Service Brakes, Hydraulic | 7 | 13% |
| Electrical System | 5 | 9% |
| Engine | 5 | 9% |
| Engine and Engine Cooling | 4 | 7% |
| Structure | 4 | 7% |
| Visibility | 3 | 6% |
| Air Bags | 2 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 52,000 miles (middle 50% between 18,000 and 78,000 miles), based on 41 complaints that included mileage.
Complaints by incident year
What owners report
“The contact owns a 2004 Jaguar XJ8. The contact stated while driving at various speeds and depressing the brake pedal, the brake pedal made an abnormal rattling sound and went down to the floorboard. The vehicle hesitated to respond. The ABS warning light and the traction control warning light were illuminated…”
Service Brakes, Hydraulic · filed Apr 20, 2023
“The airbag light came on with only 54,000 miles on this jaguar, that is not normal as I have owned jaguar cars for 3 decades. Also the air suspension failure occurred at 55,000 miles which is the current mileage and the car was parked for two weeks without any movements. This vehicle drives less than 3000 miles a year…”
Suspension · filed Feb 19, 2019
“Tl* the contact owns a 2004 jaguar xj8. The contact stated that the brake system, dynamic stability control, and engine failure system warning indicators illuminated. The vehicle failed to start and was towed to a certified mechanic who stated that the wiring in the engine needed to be replaced and water was entering…”
Structure · filed Sep 6, 2018
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
13 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2004 Jaguar XJ8. The 10 most recent:
Attachment.
SSM59597Attachme · Service Bulletin/Repair Instructions · issued Apr 14, 2021
Attachment.
SSM59597Attachme · Service Bulletin/Repair Instructions · issued Apr 14, 2021
Attachment.
SSM59597Attachme · Service Bulletin/Repair Instructions · issued Apr 14, 2021
A customer may report "Hood Open" message displays on IP with hood closed.
SFCC_09AUG18_REV · Service Bulletin/Repair Instructions · issued Aug 20, 2018
18C - New face of InControl Touch Pro and 18C software improvements
SFCC_09AUG18_REV · Service Bulletin/Repair Instructions · issued Aug 20, 2018
SIM card activation issues
SFCC_09AUG18_REV · Service Bulletin/Repair Instructions · issued Aug 20, 2018
InControl Touch Pro phase 4 customer letter
SFCC_09AUG18_REV · Service Bulletin/Repair Instructions · issued Aug 20, 2018
Jaguar Land Rover Shop Foreman Conference Call
SFCC_08MAR18 · Service Bulletin/Repair Instructions · issued Mar 8, 2018
Presentation from Dealer Shop Foreman Conference Call
SFCC_14DEC17 · Service Bulletin/Repair Instructions · issued Dec 14, 2017
Mongoose Update.
SSM62038Attachme · Service Bulletin/Repair Instructions · issued Dec 1, 2012
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 2004 Jaguar XJ8 in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2004 Jaguar XJ8?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 52,000 miles — budget accordingly if the car is approaching that mileage.