Propulsion system: dc/dc converter
NewRisk. A loss of drive power increases the risk of a crash.
NHTSA has logged 42 owner complaints about the 2021 Land Rover Defender, most often about the exterior lighting. It is covered by 9 safety recalls, and for recall 21V-499 the manufacturer reports only 83% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through September 28, 2026. Updated daily. Photo: LuvsMG481, CC BY-SA 4.0.
42 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Exterior lighting | 16 | 0 |
| Visibility/wiper | 12 | 0 |
| Electrical system | 5 | 0 |
| Structure | 3 | 0 |
| Suspension | 1 | 0 |
| Visibility | 1 | 0 |
| Steering | 1 | 0 |
| Engine | 1 | 0 |
| Fuel system, gasoline | 1 | 0 |
| 2 other systems | 2 | 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. 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 oil leak in the presence of an ignition source can increase the risk of a fire.
Risk. An unsecured child restraint system can increase the risk of injury during a crash.
Risk. Incorrect child restraint information may result in a child seat being improperly secured, which can increase the risk of injury in a crash.
Risk. A seat that is not properly locked into place can move unintentionally during a crash, increasing the risk of injury.
Risk. Turn signals, brake lights, and tail lights that fail to illuminate can reduce visibility to other drivers and increase the risk of a crash.
Risk. An engine stall can increase 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 Defender median. How we score
Recent exterior lighting complaints filed with NHTSA, shortened. Personal details are removed.
The failure of the Daytime running light on Defenders is a known issue caused by a design flaw. It is not covered by warranty and costs over $3000 to replace.
The signature halo LED ring on the front headlight stopped working and has now failed completely, impairing headlight performance. Land Rover previously replaced one of these units when under warranty, but now refuse to fix the second one unless privately paid for (I am now out of warranty). This…
On my 2021 Land Rover Defender 110, the front Daytime Running Light (DRL) halo unit experienced a complete illumination failure due to an internal component defect. Because the LED DRL system is permanently sealed inside the headlamp assembly, replacing the failed light required a complete headlamp…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.