Propulsion system: dc/dc converter
NewRisk. A loss of drive power increases the risk of a crash.
NHTSA has logged 97 owner complaints about the 2023 Land Rover Defender, most often about the electrical system. It is covered by 9 safety recalls, and for recall 22V-523 the manufacturer reports only 88% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through November 10, 2026. Updated daily. Photo: Calreyn88, CC BY-SA 4.0.
97 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Electrical system | 45 | 0 |
| Engine | 14 | 0 |
| Visibility/wiper | 14 | 0 |
| Exterior lighting | 14 | 0 |
| Power train | 7 | 0 |
| Steering | 7 | 0 |
| Lane departure | 6 | 0 |
| Forward collision avoidance | 2 | 0 |
| Fuel/propulsion system | 2 | 0 |
| 7 other systems | 7 | 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. A rearview camera that does not display an image can reduce the driver's rear view, increasing the risk of a crash.
Risk. An oil leak in the presence of an ignition source such as hot engine or exhaust components, can increase the risk of a fire.
Risk. Detached brake calipers can reduce braking ability and cause structural wheel damage, increasing the risk of a crash.
Risk. A child seat with reduced strength may not properly restrain the occupant during a crash, increasing the risk of injury.
Risk. An oil leak in the presence of an ignition source can increase the risk of a fire.
Risk. Improperly restrained occupants have an increased risk of injury during 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 electrical system complaints filed with NHTSA, shortened. Personal details are removed.
DC/DC converter failure, left my wife stranded. Software update failed to fix. Car is undrivable. Land Rover won't assist with towing or paying for repairs even though this issue is covered under NHTSA Recall Number 26V-248.
The contact owns a 2023 Land Rover Defender. The contact received notification of NHTSA Campaign Number: 26V248000 (Electrical System); however, the part to do the recall repair was not yet available. The vehicle was taken to a local dealer and remained with the dealer for additional investigation.…
The contact owns a 2023 Land Rover Defender. The contact received notification of NHTSA Campaign Number: 26V248000 (Electrical System); however, the part to do the recall repair was unavailable. The manufacturer was contacted, and the contact was informed that parts were not yet available.
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.