Propulsion system: dc/dc converter
NewRisk. A loss of drive power increases the risk of a crash.
NHTSA has logged 12 owner complaints about the 2021 Land Rover Discovery, most often about the electrical system. It is covered by 6 safety recalls, and for recall 21V-668 the manufacturer reports only 88% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through November 4, 2026. Updated daily. Photo: Calreyn88, CC BY-SA 4.0.
12 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Electrical system | 10 | 0 |
| Power train | 5 | 0 |
| Engine | 2 | 0 |
| Fuel/propulsion system | 1 | 0 |
| Steering | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. A loss of drive power increases the risk of a crash.
Risk. A rearview camera image that does not display can decrease the driver's visibility, increasing the risk of a crash.
Risk. An air bag that does not deploy as intended increases the risk of injury in a crash.
Risk. A loss of drive power increases the risk of a crash.
Risk. An unsecured child restraint system can increase the risk of injury during a crash.
Risk. A vehicle that shuts down or loses exterior lighting while driving increases the risk of a crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Land Rover.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Discovery median. How we score
2021 Land Rover Discovery SUV 4WD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.
Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.
I am contacting you to request immediate corporate assistance regarding an outstanding safety recall involving my 2021 Land Rover Discovery. MY VIN: [XXX] I would like this matter escalated to a Customer Relations supervisor or regional representative who has the authority to address the recall,…
The contact owns a 2021 Land Rover Discovery. The contact stated that while driving at an undisclosed speed, several unknown warning lights were illuminated, and the vehicle stalled in the middle of the roadway. The contact associated the failure with NHTSA Campaign Number: 26V248000 (Electrical…
2021 Land Rover Discovery 48V mild hybrid (MHEV). Recurring 12V system failures: repeated depleted/dead 12V batteries and no-start events. The 12V battery has failed and been replaced three times during my ownership (two documented at a franchised Land Rover dealer and an independent shop), plus a…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.