Electrical System Related Problems of the 2022 Land Rover Discovery

Table 1 shows one common electrical system related problems of the 2022 Land Rover Discovery.

Table 1. Electrical System related problems of Land Rover Discovery

Problem Category Number of Problems
Electrical System problems
4

Electrical System problem #1

The contact owns a 2022 Land Rover Discovery. The contact stated that while driving at an undisclosed speed, the vehicle jerked, and several unknown warning lights were illuminated. The vehicle was pulled over to the side of the road and turned off. The contact waited before restarting the vehicle; however, after driving for several miles the failure reoccurred. The contact stated that on a separate occasion, the vehicle jerked, and the vehicle failed to accelerate as intended while depressing the accelerator pedal before the vehicle stalled. The message "emergency braking assistance not available" was displayed. The contact was able to coast to the side of the road. The contact called for assistance and another driver arrived the scene and followed behind the vehicle back to the residence. The vehicle was taken to the dealer, where it was diagnosed that the ground studs were not connected and had failed to function as intended. The vehicle remained at the dealer unrepaired. The contact stated that before the electrical failure, the message "check coolant" was displayed. Upon further investigation, the contact related the failure to NHTSA campaign number: 21v457000 (electrical system); however, the VIN was not included in the recall. The manufacturer was not notified of the failure. The failure mileage was approximately 76,000.

Electrical System problem #2

I was driving home from work late at night in December 2025. A signal came on that said pull to safety or something like that and then I lost power steering and brake control and my entire dash in my vehicle went pitch black. I was in the middle lane on route 290 and I was very lucky not to hit any other vehicles, but it was incredibly scary because I had no control of my vehicle and there were many cars and trucks on the road around me. I coasted off slowly to the side and I had to sit in 15° temperatures for an hour while I waited for aaa to come and tow my vehicle. They towed it to my home and were not able to get it off the ramp so they had to tow it to the dealership because the battery had died. The vehicle for a couple weeks before was slow to start, which I did not realize at the time was a sign that the battery was being drained. It was brought to the dealer and discovered that the DC DC converter and the becm was the issue. My vehicle is open for inspection if you need it. The converter and becm have been replaced after fighting with the dealer and with landrover. Landrover is aware of the situation because they had to work with the dealer on their systems. Unfortunately, I am out almost $1000 because they made me pay for the replacement of the battery ( and the towing ) . Honestly I am having ptsd every time I drive past the area where I almost crashed. Landrover did not even want to accept responsibility, but the dealer did as we have purchased two vehicles from them that we also maintain meticulously.

Electrical System problem #3

Car displayed a warning noting of an “an electrical fault” but was still running fine otherwise. Drove straight to service center roughly 5 miles away. About a half a mile away from service center the car experienced a cascading number faults in quick succession. First it was safety systems, then air suspension, followed by transmission and finally steering, which point the car was able to roll and some steering though required significant effort. This occurred during traffic, where luckily I had just gotten off the highway. I was able to coast the car into the middle of a shopping center parking lot where it became immobile. A fortunate timing of intersection traffic lights being green likely helped avoid a collision or hitting a pedestrian as all vehicle systems shut down. Towed vehicle to factory service center. Dealer confirmed a a failed DC-to-DC converter (48v to 12v in mild hybrid system) led to vehicle shutdown and damaged auxiliary 12v battery. Requires a new DC to DC converter but is on backorder for weeks with no eta available. Car remains immobile until a new part is received.

Electrical System problem #4

The DC/DC converter had failed after the recent software upgrade by jlr right in the middle of the road. Barely made to their shop. It has been a month since. No updates on the status of the fixing my car. Had call many times, no response. The car is in the jlr diller in hunt valley, maryland.


Electrical System related problems in other Land Rover Discovery model year vehicles:



Discovery Service Bulletins
Discovery Safety Recalls
Discovery Defect Investigations