On certain 2017 model year to 2020 model year Land Rover and Range Rover vehicles the Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off. Diagnostic Trouble Codes (DTC) P0496-00 may be stored in the Powertrain Control Module (PCM) .
full bulletin at NHTSA ↗2020 Land Rover Discovery powertrain problems
moderate 3 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Complaints
3
Recalls
0
Avg fix
$2,500
When does it fail?
Of the 3 powertrain complaints filed for the 2020 Land Rover Discovery, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 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
Of the 4 model years of Land Rover Discovery we track for powertrain problems, this one has the fewest owner complaints on file (3).
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.
Lack of power, MIL light on, rough idle
full bulletin at NHTSA ↗CLOSED ISSUE - On certain 2017 to 2020 model year Land Rover vehicles the Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off. Diagnostic Trouble Codes (DTC) P0496-00 may be stored in the Powertrain Control Module (PCM).
full bulletin at NHTSA ↗After thermostat replacement, the instrument cluster says that the engine is overheating while driving.
full bulletin at NHTSA ↗Customer reports lack of power and/or check engine light on.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 3 most recent
Vehicle warning lights come on including traction control and engine warning. Vehicle stops running after halting and then quits running completely. I had the vehicle towed 80 miles to the nearest dealer in Columbia, SC they reported that it was a loose ground wire on the battery and told me it was resolved. Less than a month later the same thing happened again and all 4 wheels locked up…
Defect Summary: Repeated water intrusion (windshield, roof rails, rear door latch) leading to electrical damage. Electrical failures resulting in sudden loss of power, lighting, and infotainment. Critical safety system failures including: Sudden loss of steering assist and brake assist while in motion. Vehicle stalling with the engine running but no drivetrain response. Gear shifter…
Had recall completed one month ago to correct ground wire location. Two days ago the auto start/ stop activating while in a drive through, the warning lights came on where all safety features were disabled. Gear shifter blinking in "d". Had to put transmission in park, then was able to put back in drive. When accelerating out of the parking lot at about 40 MPH the vehicle shut off. Starting…
Had powertrain trouble with your 2020 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 2020 Land Rover Discovery?
It's a documented issue but not catastrophic. 3 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?
Based on the 3 complaints filed, powertrain issues most often appear around 14,802 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/2020/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.