2023 Land Rover Defender electrical system problems

Updated from NHTSA data · How we count

39 owners have reported electrical system problems with the 2023 Land Rover Defender, 48% of all complaints about this model year. The typical problem appeared around 50,500 mi.

Electrical System complaints
39
Crashes
0
Fires
0
Injuries
0
Related recalls
2
Median mileage
50,500 mi

Specific components reported

Electrical System covers: Battery, wiring, infotainment, instrument cluster, communication and software.

ComponentComplaints
Electrical system39

Electrical System complaints across Land Rover Defender years

122020520212720223920231520242202522026
Electrical System complaints by model year. The 2023 is highlighted.

Mileage when the problem appeared

Under 10k10k–30k130k–60k160k–100k100k–150k150k+
Complaints that list mileage, grouped by odometer reading.

Related recalls

  • Recall 26V599000Sep 17, 202623,677 vehicles
    ELECTRICAL SYSTEM:PROPULSION SYSTEM:DC/DC CONVERTER

    Jaguar Land Rover North America, LLC (Land Rover) is recalling certain 2019-2024 Land Rover Range Rover Sport, 2020-2024 Land Rover Range Rover Evoque, Land Rover Range Rover, Land Rover Discovery Sport, Land Rover Defender, 2021-2024 Land Rover Range Rover Velar, Jaguar E-Pace, F-Pace, and Land Rover Discovery vehicles. The DC-DC converter may malfunction due to an electrical overload that can occur during high power demand. Additionally, a software error can cause the DC-DC converter to stop functioning at vehicle start-up under certain circumstances. Failure of the DC-DC converter will result in the loss of 12-Volt system charging and can lead to complete loss of drive power and exterior lighting.

    Risk: A loss of drive power increases the risk of a crash.

    Remedy: Dealers will update the vehicle software, free of charge. Interim letters notifying owners of the safety risk are expected to be mailed November 13, 2026. Additional letters will be sent once the final remedy is available. Owners may contact Land Rover's customer service at 800-637-6837. Land Rover's number for this recall is E008. This recall expands previous NHTSA recall number 26V248.

  • Recall 26V248000Apr 17, 2026170,169 vehicles
    ELECTRICAL SYSTEM:PROPULSION SYSTEM:DC/DC CONVERTER

    Jaguar Land Rover North America, LLC (Land Rover) is recalling certain 2021-2024 Land Rover Range Rover Velar and Land Rover Discovery, 2020-2023 Land Rover Range Rover Evoque, 2019-2024 Land Rover Range Rover Sport, 2020-2024 Land Rover Range Rover, 2020 Land Rover Discovery Sport, 2020-2024 Land Rover Defender, 2021-2024 Jaguar F-Pace, and 2021-2022 Jaguar E-Pace mild-hybrid electric vehicles (MHEVs). Insufficient electrical load balancing during times of high demand can lead to a current overload condition and malfunction of the DCDC converter. A failure of the DC-DC converter will result in a loss of 12-Volt system charging and can lead to complete loss of drive power and exterior lighting.

    Risk: A loss of drive power increases the risk of a crash.

    Remedy: Dealers will update the central software, free of charge. Interim letters notifying owners of the safety risk were mailed June 17, 2026. Additional letters will be sent once the final remedy is available. Owners may contact Land Rover's customer service at 800-637-6837. Land Rover's numbers for this recall are D126 and H575.

What owners say

  1. Filed Sep 1, 2026WAElectrical System
    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 local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure
    NHTSA complaint #11761304 · source
  2. Filed Jul 27, 2026CAElectrical System
    Three days before leaving for a trip from [XXX] to [XXX] my Land Rover Defender gave me a Low Battery warning. There was no time to take it to the dealership so I bought a new battery and put it in myself, then drove the 700 miles to [XXX]. My family and I were traveling in a remote area 6 miles from our vacation rental, with no cellular service, when our Defender suddenly threw an electrical fault warning on the dashboard asking us to pull over safely, on XXX. We made it to…
    NHTSA complaint #11753125 · source
  3. Filed Jun 17, 2026CAElectrical System
    The contact owns a 2023 Land Rover Defender. The contact received a recall notification, NHTSA Campaign Number: 26V248000 (Electrical System) however the parts were unavailable. The contact stated that the vehicle was a hazard and unsafe to drive. The manufacturer was not contacted. The contact had not experienced any failure regarding the unrepaired recall repair.
    NHTSA complaint #11744833 · source
  4. Filed Jun 17, 2026TNElectrical SystemEngineFuel, Hybrid & EV Propulsion
    The DC/DC converter failed and caused the vehicle to immediately lose all power at a main intersection. My wife was driving the vehicle when this happened with out two children in the vehicle as well (ages [XXX] and [XXX]. Luckily, she was able to somewhat get out of intersection of a very busy road. The vehicle had to be towed to the Land Rover dealership. The part was covered by a factory extended warranty. There is an active recall for this part; however, this vehicle…
    NHTSA complaint #11744806 · source
  5. Filed Apr 23, 2026MIElectrical SystemTransmission & Drivetrain
    SUPPLEMENTAL TO NHTSA COMPLAINT #11728718 (RECALL 26V248000) On March 2, 2026, my 2023 Land Rover Defender was at a dealership for approximately 3.5 hours for key fob programming. At that time, Jaguar Land Rover had an active service message (SSM76173) related to DC-DC converter failures. Within 24 hours of leaving the dealership, the DC-DC converter failed. The vehicle displayed a “Charging System Fault” warning and became inoperable, consistent with the failure described…
    NHTSA complaint #11733338 · source
  6. Filed Apr 2, 2026MIElectrical System
    Vehicle: 2023 Land Rover Defender 110 P400 (MHEV) Component Failure: Failure of the 48V DC-DC converter module (L8B2-14B227-AD), which converts 48V to 12V and maintains the vehicle’s 12V electrical system. The component is available for inspection. What Happened: Vehicle displayed “Charging System Fault” and red battery warning. Shortly after, the vehicle became inoperable and left driver stranded. Diagnostics showed: 48V battery retained voltage (~45V) No current output…
    NHTSA complaint #11728718 · source
  7. Filed Mar 19, 2026VAElectrical SystemEngine
    The vehicle experienced a sudden and complete electrical failure while driving, related to the DC converter. Warning lights did appear prior to the failure; however, I was driving down a mountainous road and do not recall the exact messages. Shortly after, the vehicle shut down and lost power, causing it to roll to a stop in active traffic. At the time of the incident, I was partially in the roadway and unable to safely move the vehicle out of traffic. The vehicle became…
    NHTSA complaint #11725480 · source
  8. Filed Mar 5, 2026WAElectrical System
    Received a stop vehicle, "Electrical Fault". Diagnosed by certified mechanic to be DC to DC Converter fault needing replacement. Estimated 1-2 month backorder due to high demand for parts.
    NHTSA complaint #11722354 · source
  9. Filed Mar 3, 2026NYElectrical SystemEngineSuspension
    While driving the dashboard suddenly showed a message saying Battery Charging Fault error” a few minutes later the car stopped driving while I was on a busy freeway. It had no power and it displayed several messages saying suspension system is disabled, battery issue, cameras disabled. I had try to navigate my rolling car to a side lane to call roadside assistance. It was a very dangerous incident and needs to be addressed. Land Rover in White Plains NY, diagnosed my vehicle…
    NHTSA complaint #11721872 · source
  10. Filed Mar 2, 2026VAElectrical System
    DC-DC Converter failed, battery light came on mid-drive and I continued to drive to try and make it to my destination. Car systems started one by one shutting down, first my seat heater then eventually my steering and gas petal. The Vehicle then died and left me stranded in the middle of the road while cars were passing me leaving me unsafe and blocking the road for more than an hour untill a tow truck could arrive. I could have easily been in an accident if I was on a…
    NHTSA complaint #11721421 · source
  11. Filed Feb 27, 2026CTElectrical System
    On 2/18/26 the vehicle electrical system stopped working. I unlocked teh vehicle with an emergincy key inside the keyfob. Once towed back to the dealer I was informed that the DC-to-DC converter failed causing the entire electical system to fail/immobilized the vehicle. The part will take 3-4 weeks to receive. Doing my own desk research I see that this is common issue and in many cases reoccurring b/c the part is replaced with a version that is also failing (look at how many…
    NHTSA complaint #11721077 · source
  12. Filed Feb 20, 2026TNElectrical System
    An electrical component called the DC DC converter failed in my 2023 Land Rover Defender. I discovered the failure after starting the car after work. A warning that the battery was not charging presented itself. I didn't think it was a major issue and could be something reset easily. I was able to get the car home safely but shortly after the car was completely non functional and could have potentially shut down right on the interstate on my drive home. Currently my car has…
    NHTSA complaint #11719447 · source

Other 2023 Land Rover Defender problem areas

  • Visibility & Wipers (14)
  • Engine (13)
  • Lighting (8)
  • Driver Assistance & Safety Tech (8)
  • Transmission & Drivetrain (7)
  • Steering (7)
  • Other / Unknown (4)
  • Fuel, Hybrid & EV Propulsion (2)
  • Airbags (1)
  • Acceleration & Cruise Control (1)
  • Suspension (1)
  • Wheels & Tires (1)

Back to all 2023 Land Rover Defender problems →

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology