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40 complaints
LAND ROVER DEFENDER 2023 EXTERIOR LIGHTING
medium
Daytime running lights have both failed within the last 79 days. Passenger side failed at ~32660 miles o/a 05 Mar 26. It was replaced under warranty. Driver side failed around 36234 miles on 22 May
NHTSAUSMay 2026Source →
LAND ROVER DEFENDER 2023 POWER TRAIN
medium
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, Jagua
NHTSAUSApr 2026Source →
LAND ROVER DEFENDER 2023 ELECTRICAL SYSTEM
high
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
NHTSAUSMar 2026Source →
LAND ROVER DEFENDER 2023 SUSPENSION
low
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
NHTSAUSFeb 2026Source →
LAND ROVER DEFENDER 2023 ELECTRICAL SYSTEM
high
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 faile
NHTSAUSFeb 2026Source →
LAND ROVER DEFENDER 2023 ELECTRICAL SYSTEM
high
The contact owns a 2023 Land Rover Defender. The contact stated that while driving approximately 55 – 60 MPH, the vehicle suddenly shuddered and vibrated with several unknown warning lights illumina
NHTSAUSFeb 2026Source →
LAND ROVER DEFENDER 2023 ELECTRICAL SYSTEM
medium
The dc dc converter failed and had to be towed away. The incident happened while I was driving the vehicle.
NHTSAUSFeb 2026Source →
LAND ROVER DEFENDER 2023 ELECTRICAL SYSTEM
high
DC-DC converter failure. Received dashboard message “Stop safely Electrical fault detected”
NHTSAUSFeb 2026Source →
LAND ROVER DEFENDER 2023 ENGINE
low
Car suddenly stopped and lost all power due to DC DC converter issue
NHTSAUSFeb 2026Source →
LAND ROVER DEFENDER 2023 ELECTRICAL SYSTEM
medium
DC/DC converter failed on the 2023 Land Rover Defender about 2000 miles out of warranty. The parts are on back order with no ETA because so many LR Defenders are having this issue. This can cause yo
NHTSAUSFeb 2026Source →
LAND ROVER DEFENDER 2023 ELECTRICAL SYSTEM
medium
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 eventua
NHTSAUSFeb 2026Source →
LAND ROVER DEFENDER 2023 ELECTRICAL SYSTEM
high
Vehicle was started, while still in park, an alert appeared on the dashboard “stop safely electrical fault detected”. Vehicle was turned off and restarted, with the same warning light on. Called L
NHTSAUSFeb 2026Source →
LAND ROVER DEFENDER 2023 ELECTRICAL SYSTEM
medium
DC-DC converter has failed causing the car to shut of while driving. During this period of time the car shuts off and the steering wheel locks. Seems to be a massive problem as every dealer we call do
NHTSAUSFeb 2026Source →
LAND ROVER DEFENDER 2023 ELECTRICAL SYSTEM
high
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.
NHTSAUSFeb 2026Source →
LAND ROVER DEFENDER 2023 ELECTRICAL SYSTEM
high
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 pres
NHTSAUSFeb 2026Source →
LAND ROVER DEFENDER 2023 ELECTRICAL SYSTEM
medium
The DC/DC converter failed when I turned the car on and I received a warning. Drove straight to the dealership to drop it off for service. Reviewing others with this issue online, it is an extremel
NHTSAUSFeb 2026Source →
LAND ROVER DEFENDER 2023 STEERING
medium
While driving the vehicle warnings alerted me that the battery was low and to start the vehicle ( it was running as I was driving) then the alert changed to pull over when possible. At this time the p
NHTSAUSFeb 2026Source →
LAND ROVER DEFENDER 2023 ENGINE
high
I own a 2023 Land Rover Defender 130 that I purchased brand new. Since buying it, it has been back to the dealer many times for serious issues. The vehicle has had repeated cooling system failures, i
NHTSAUSJan 2026Source →
LAND ROVER DEFENDER 2023 ENGINE
high
Stop safely electrical fault detected appeared on dash DC failure Vehicle is not drivable
NHTSAUSJan 2026Source →
LAND ROVER DEFENDER 2023 ELECTRICAL SYSTEM
high
While driving my Defender 130 at Highway speed a warning for a faulty electrical system light came on. Within a mile while I was trying to exit the highway, all electrical systems failed. I had a gear
NHTSAUSJan 2026Source →