NHTSA complaint #11708257

Owner complaint summary

The component that failed is the charging system alternator on my 2020 Range Rover Sport HST (mild-hybrid). This vehicle has experienced three alternator failures prior to 100,000 miles. The failed alternator and related components are currently in dealer possession and are available for inspection upon request. Failure of the alternator creates a safety risk because loss of charging capability can lead to battery depletion, electrical system shutdown, warning system failure, reduced vehicle functionality, or potential loss of power while driving. Electrical warnings and system faults increase driver distraction and may impair safe operation of the vehicle. The problem has been confirmed and reproduced by an authorized Land Rover dealership, which diagnosed the most recent alternator failure promptly. All maintenance and repairs have been performed exclusively at authorized Land Rover dealerships, with no evidence of owner neglect or misuse. The vehicle is subject to a Battery Energy Control Module (BECM) recall and related charging system software actions, which affect voltage regulation and the charging architecture that supports alternator operation. The vehicle and charging system have been inspected by the manufacturer’s authorized dealer on multiple occasions. Prior to failure, the vehicle displayed charging system warnings, battery-related messages, and electrical fault notifications. These symptoms appeared before each alternator failure and prompted service visits. Over the past two years, the vehicle has been out of service for approximately 178 days due to repeated electrical and charging-related issues. Given the repeated alternator failures, recall-related charging system involvement, and safety implications of charging loss, this appears to be a systemic electrical defect rather than an isolated incident.