Lack of power, MIL light on, rough idle
full bulletin at NHTSA ↗2021 Land Rover Discovery powertrain problems
moderate 4 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Complaints
4
Recalls
0
Avg fix
$2,500
What stands out
No new NHTSA powertrain complaint has been filed on this vehicle in over 4 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.
Customer reports lack of power and/or check engine light on.
full bulletin at NHTSA ↗Customer reports coolant level low message on dash or a coolant leak.
full bulletin at NHTSA ↗Lack of power, MIL on.
full bulletin at NHTSA ↗MISFIRE OR ROUGH RUNNING
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
This is an update to Complaint Number 11436854, submitted on 10/14/2021, 5:53:21 PM Additional service has been performed on the vehicle to identify and correct random electrical faults interrupting the safe operations of this vehicle. Service record generated by Land Rover Boise, ID (RO Number 520844) is attached as an uploaded file. This RO indicates the third repair by Land Rover dealers that…
This vehicle should be considered as a "drive at your own risk" vehicle. Engine randomly fails to start using push button start in coordination with pressing on the brake pedal. Dash and gages indicated all electrical systems were on and no warning symbols were displayed. Repeated attempts by owner to start vehicle failed. Attempts using remote start app erroneously indicated that the vehicle was…
Received an error message stating reduced traction only 2 wheel drive and to drive with caution. Took it to the dealer to discover the software was not programmed for the 4wd modules
I am filing a safety complaint regarding a sudden and complete loss of power event while driving my 2021 Land Rover Discovery. The vehicle experienced a DC-DC converter failure with no warning, resulting in a sudden shutdown. The engine lost power, critical systems went offline, and I was unable to shift the vehicle into neutral. The vehicle became immobilized in active traffic, creating a…
Had powertrain trouble with your 2021 Land Rover Discovery?
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 2021 Land Rover Discovery?
It's a documented issue but not catastrophic. 4 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
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/2021/Land Rover/Discovery.
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.