Once the vehicle is powered down via ignition cycle, it may not restart depending on remaining residual charge.
full bulletin at NHTSA ↗2020 Land Rover Range Rover Sport electrical problems
severe 9 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Complaints
9
Recalls
0
Avg fix
$850
1crash
When does it fail?
Of the 9 electrical complaints filed for the 2020 Land Rover Range Rover Sport, 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
Among the 7 model years of Land Rover Range Rover Sport in our records for electrical problems, this one ranks #2 by owner-complaint volume.
Electrical accounts for 23% of all owner complaints filed against this vehicle, across 5 categories tracked.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical 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.
A concern has been identified where the 48V Mild Hybrid Electric Vehicle (MHEV) battery enters an offline state and no longer communicates or functions as intended. This can result in illumination of the Malfunction Indicator Lamp (MIL), loss of start/stop functionality and no communication during diagnostic sessions. A software update to the Battery Energy Control Module (BECM) is required.
full bulletin at NHTSA ↗A concern has been identified where the 48V Mild Hybrid Electric Vehicle (MHEV) battery enters an offline state and no longer communicates or functions as intended
full bulletin at NHTSA ↗Due to time required to complete in shop vehicle set up and workflow for Audio loss, it has been found that workflow may provide false result if IMC is not in a faulted state when workflow is run to identify potential Polar Switch Firmware fault.
full bulletin at NHTSA ↗Startup battery keeps draining / Vehicle will not start
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
Hit a car that pulled out in front of me at about 20mph and the airbags did not deploy and the sos button did not activate. Then I pushed it manually and it failed to make a call until 20 mins later after the police arrived. Vehicle was in motion in the city when looking at some other range rovers at the collision center it seemed like the airbags were not as sensitive as they should be.
I am reporting a significant safety issue related to my 2020 Land Rover Range Rover Sport involving sunroof water intrusion that has caused serious electrical failures throughout the vehicle. Shortly after owning the vehicle, I began to notice water leaking from the sunroof area, which has now caused malfunctions in the electrical system. These include: •Unresponsive or erratic infotainment and…
The contact owns a 2020 Land Rover Range Rover Sport. The contact received notification of NHTSA Campaign Number: 26V248000 (Electrical System); however, the part to do the recall repair was not yet available. The local dealer was contacted, and it was determined that the battery needed to be replaced. The battery was replaced but the failure persisted. No additional repairs were performed. The…
The DC/DC converter went out. While driving [XXX], all the warning lights came on, no abs, no front collision warning and all other safety warnings lights flashed. Immediately after the lights came on vehicle completely shut down while driving leaving me stranded in the street in Greenwood, AR. I had my vehicle towed to the dealership. Land Rover was already aware of the DC/DC converter issue…
Had electrical trouble with your 2020 Land Rover Range Rover Sport?
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 electrical problem on the 2020 Land Rover Range Rover Sport?
It's a meaningful issue. 9 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Based on the 9 complaints filed, electrical issues most often appear around 29,500 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 $850 for electrical 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 electrical?
No active recalls currently cover electrical 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/Range Rover Sport.
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.