Verified government source

NHTSA complaint #11721117

This page summarizes an official U.S. National Highway Traffic Safety Administration owner complaint. Use the verification links below to confirm the record directly with NHTSA.

Vehicle

2021 LAND ROVER RANGE ROVER SPORT

Manufacturer

Jaguar Land Rover North America, LLC

Components

ELECTRICAL SYSTEM

Dates

Incident: 02/13/2026
Filed: 02/28/2026

Owner complaint summary

Vehicle was operating normally on interstate traffic at 70mph when vehicle suddenly flashed "Charging system fault" and the vehicle then would not accelerate and dropped to 25 mph. Trying to exit the interstate and vehicle went into limp mode and battery icon showed up. Had to be towed to Range Rover dealership Range Rover said the issue was a DC / DC converter. They replaced this and are now saying the BISG alternator is at fault. Repairs will be close to 8k without a confirmation this will be the fix. Not comfortable driving the vehicle even with the 'fix." A vehicle "Dying" on the interstate at interstate speeds is dangerous. The problem is known on the internet and by range rover. Not sure if component has been inspected. 2021 Range Rover Sport 53k miles

This is an owner complaint filed with NHTSA (ODI #11721117). It is not automatically an official recall, investigation outcome, or manufacturer admission unless the complaint text itself describes one.

Official record ID (ODI): 11721117. This page is the human-readable source link used across afterwarranty. The raw JSON link proxies NHTSA's public API for machine verification; prefer this page when reading the complaint.