*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.
Electrical system
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 System). The vehicle was towed to the dealer to be diagnosed. The dealer retrieved several fault codes associated with the power supply failure and DC Converter failure. The vehicle was not repaired because there was no repair available for the DC-DC converter failure. The contact stated that the dealer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made…
Jul 24, 2026 · 108,029 milesElectrical system
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 prior replacement under the previous owner per the vehicle history report. Symptoms: the vehicle will not start without a jump, repeated low-battery and SOS/telematics warnings, blank infotainment display, and full battery depletion after the vehicle sits unused for as little as 3 days, even with a battery maintainer in use. Dealer cloud diagnosis confirmed two contributing faults. First, elevated…
Jan 20, 2026Electrical system
Supplement / update to prior NHTSA complaints regarding my 2021 Land Rover Discovery MHEV (VIN: [XXX] y prior complaints, Jaguar Land Rover has issued Recall 26V248 for DC/DC converter failure leading to loss of propulsion in 2021â2024 Land Rover Discovery MHEV vehicles. My vehicle experienced the same real-world failure condition: sudden loss of propulsion in traffic with my children in the vehicle. Jaguar Land Rover corporate has stated my VIN is not included in the recall population despite my vehicle being a 2021 Discovery MHEV and experiencing the same defect condition. I am submitting additional documentary evidence from Jaguar Land Rover Portland showing that during the repair…
Apr 1, 2025Electrical system
I am filing a safety complaint regarding a sudden and complete loss of power event while driving my 2021 Land Rover Discovery. The vehicle experienced a DC-DC converter failure with no warning, resulting in a sudden shutdown. The engine lost power, critical systems went offline, and I was unable to shift the vehicle into neutral. The vehicle became immobilized in active traffic, creating a dangerous situation. This incident occurred without warning and left me with no ability to safely move the vehicle out of traffic or rely on normal emergency functions. This presents a serious safety hazard to both the driver and others on the road. The vehicle has been at the dealership since mid-January…
Apr 1, 2025Electrical system
While driving my 2021 Land Rover Discovery (MHEV) in active traffic, the vehicle suddenly displayed an âElectrical system fault â Stop safelyâ warning. Immediately after the warning, the vehicle lost power and shut down, leaving me stalled in traffic with no ability to safely move the vehicle out of the roadway. There was no prior warning, no gradual degradation, and no driver-caused condition. The shutdown appeared to be related to the 48-volt mild-hybrid electrical system, possibly involving the DC-DC converter or battery management system, which disabled critical vehicle functions. This failure created an immediate safety hazard. I was at risk of being rear-ended and had limited…
Apr 4, 2025Electrical system
MHEV vehicle is offline; car completely shut down, resulting in loss of power on the road.
Apr 1, 2025Electrical system
I own a 2021 Land Rover Discovery with VIN [XXX] , and I am experiencing issues that align with the national recall for the MHEV battery. My vehicleâs start-stop functionality fails intermittently, and the system is in an âoffline state,â disrupting communication and critical functions. Additionally, due to these MHEV battery errors, my vehicle cannot receive over-the-air updates provided by Land Rover, further impacting its performance and reliability. I request that my vehicle be reviewed for inclusion in the recall and that the necessary repairs be covered. This ongoing issue presents a significant inconvenience and safety concern. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF…
Aug 5, 2024Electrical system
This is an update to Complaint Number 11436854, submitted on 10/14/2021, 5:53:21 PM Additional service has been performed on the vehicle to identify and correct random electrical faults interrupting the safe operations of this vehicle. Service record generated by Land Rover Boise, ID (RO Number 520844) is attached as an uploaded file. This RO indicates the third repair by Land Rover dealers that have serviced this vehicle (Lynnwood, WA; Flatirons, CO and Boise, ID) regarding the Ground Stud Update, and now provides the documentation of another ground fault in the Locking Actuator (door locks are randomly actuating w/driving).
Oct 18, 2021
Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.