JLR is investigating 3.0P S/C FEAD idler pulley and S/C tensioner emitting excess noise (NVH)
full bulletin at NHTSA ↗2011 Jaguar XJ powertrain problems
severe 3 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Complaints
3
Recalls
0
Avg fix
$2,500
1crash
1injury
When does it fail?
Of the 3 powertrain complaints filed for the 2011 Jaguar XJ, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA powertrain complaint has been filed on this vehicle in over 3 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Automatic transmission oil leaks (8HP45/75) resulting in transmission sump replacements.
full bulletin at NHTSA ↗Automatic transmission oil leaks (8HP45/75) resulting in transmission sump replacements.
full bulletin at NHTSA ↗Automatic transmission oil leaks (8HP45/75) resulting in transmission sump replacements.
full bulletin at NHTSA ↗Automatic transmission oil leaks (8HP45/75) resulting in transmission sump replacements.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 3 most recent
I was driving through Kroger shopping center and I drove between two cars and my car suddenly accelerated and I had to stand on the brakes to avoid hitting a man loading groceries into his car.This was a frightening experience, which I'm afraid will happen again and I won't be so luck.I purchased the car Oct 14 2022 and supposedly have a power train warranty after 1 month and 1000 miles.My name…
The contact's husband owned a 2011 Jaguar XJ. The contact stated that while her husband was attempting to park in a parking space and the brake pedal depressed, the vehicle independently accelerated. The contact attempted to decrease the vehicle's speed by going over a bump however the vehicle continued to independently accelerate. The brake pedal was depressed to the floorboard and then lifted…
A seris of issues plaque this model. Changed throttle body twice but car keep showing stability control not available, throttle body actuation issues with p2119,p2118 codes among several others. Car shakes and shuts down in the middle of driving. At idle, the car rev meter goes up and down and then shuts off. I have taken this car to galpin Jaguar over 5 times with the same problem and each time…
Had powertrain trouble with your 2011 Jaguar XJ?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2011 Jaguar XJ?
It's a meaningful issue. 3 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
At what mileage does the powertrain typically fail?
Based on the 3 complaints filed, powertrain issues most often appear around 75,500 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2011/Jaguar/XJ.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.