Land Rover Range Rover Sport loss of power problems

Filed Oct 30, 2026 · Electrical, Fuel system · VA

My vehicle started showing a battery high voltage error light and was coming on and off at random times while driving. I reported this to the JLR dealership and they scheduled an appointment to have it serviced. Even though the vehicle was showing signs of battery issues which was an active known recall, they never checked it or mentioned it. They advised that I needed a main battery which cost me almost $1,000. As soon as I cranked the vehicle to leave, the light came on again. I went back inside to advise that it wasn’t the main battery because the light is still on. They advised that their loaner fleet was low and said it was safe to drive. They were going to schedule a second service the following week. I emailed them the next morning to advise that I was traveling for work at the end of the week and did not feel safe driving that vehicle. They called me right after to advise that I should not worry, it was probably the BMS reset and it was in fact safe to drive. I left that Sunday headed out of town. One and half hours into the drive the car first threw an electrical fault detection warning. I was driving over 70 mph on a major highway in heavy traffic. Shortly after several other lights came on one after the other. electrical then ABS ,traction , etc. The vehicle then completely lost power and by the grace of god I was able to limp over to a shoulder of the highway in a curve. I had no lights or power to the vehicle. I immediately called [XXX] to assist before I was run over by another vehicle. They had to standby with lights for over an hour waiting for a tow truck. The service center is now telling me that corporate refuses to fix the recall for the DCDC converter and that the problem is the second battery. They will not fix the recall even though they have the microchip to fix it per the service department but they are saving them for the cars that actually breakdown! They are now asking me to pay an additional 3000 to replace the swing battery. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMAT

Filed Sep 29, 2026 · Electrical · TN

they have failed to come up with a fix for this and am concerned that I will be stuck somewhere on the side of the road, or could be passing someone if this happens and the car will lose power while I am passing someone. this recall needs a fix for this car. I checked with the dealer the week of 9-20-26 and Land Rover still does not have a fix which is completely unacceptable

Filed Sep 7, 2026 · Engine · CA

2025 Land Rover Range Rover Sport P400 Dynamic SE, VIN [XXX]. Leased new March 2025; 11,690 miles. The instrument cluster repeatedly displays "Please check engine coolant level" although the vehicle is not due for service. The cooling system is sealed and coolant should not be consumed or lost on a vehicle this new, indicating a leak or a defective level sensor. Land Rover has documented this exact symptom in manufacturer communications filed with the federal safety agency for the 2025 Range Rover Sport (July 2025: engine coolant leak, low coolant warning) and in a dealer bulletin for turbocharger coolant feed/return hose O-ring leaks on the Ingenium I6 3.0L petrol engine (bulletin D061). An undetected coolant leak can lead to engine overheating and sudden loss of power. I am requesting that this defect be investigated and recorded. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed May 31, 2026 · Engine, Fuel system · GA

Shortly after purchase of the vehicle on November 26, 2021, the vehicle began experiencing repeated DEF (Diesel Exhaust Fluid), SCR, and DPF system failures, accompanied by dashboard warning indicators, drivability instability, reduced power warnings, and eventual shutdown conditions. The most serious safety concern is that when the DEF/emissions warning activates, the vehicle may enter reduced-power mode and ultimately become non-operable, creating a significant roadway safety hazard. The vehicle has repeatedly experienced conditions where it could lose power, become unreliable in traffic, or shut down unexpectedly after emissions-related warnings appeared. The vehicle required repeated repair attempts beginning almost immediately after delivery, including diagnostics and repairs involving: DEF system malfunction SCR/DPF restriction codes Reduced power warnings Fuel pressure-related faults Emissions-system failures Drivability instability Suspension-related concerns Despite multiple repair attempts by authorized facilities and warranty-related interventions, the same categories of failures continued to recur. This condition creates a serious safety concern because the vehicle can become unreliable or effectively inoperable while being driven, particularly after activation of emissions-related warning systems. The repeated loss-of-power and shutdown-related behavior creates risk during normal roadway operation. I am requesting review of the recurring emissions-system failure pattern, drivability instability, and operational shutdown behavior associated with this vehicle.

Filed May 30, 2026 · Brakes · CA

FIRST ISSUE-THIS REPORT - LOSS OF POWER / ELECTRICAL FAULT (4/10/26) On April 10, 2026, I backed out of a parking space into a drive lane in a commercial parking lot. As the vehicle was rolling, it suddenly lost power. I attempted to restart the vehicle, but it would not start. The vehicle continued rolling backward into the intersection. Two warning messages appeared on the dashboard -"Stop Safely/Electrical Fault Detected" "Stop Safely – Loss of Drive".Photos attached. Because the vehicle could not be restarted or moved, it remained disabled in the intersection for approx two hours. The vehicle had to be towed to the dealership. When the vehicle was taken to the dealership, I was later told that no problem could be found. The dealership reportedly ran a computer diagnostic test & stated that nothing was wrong with the vehicle. They performed routine maintenance, charged more than $900, & returned the vehicle to me without identifying or repairing the cause of the loss-of-power event. SECOND ISSUE – INTERMITTENT SENSOR FAILURES - The vehicle's front & rear sensors operate intermittently. I scheduled a service appointment for May 20, 2026, to address this issue, but I was forced to cancel a I did not have transportation available. THIRD ISSUE (reported to BRAKE SLAMING/SUDDEN STOP (5/2/26) On 5/2/26, the vehicle experienced a brake slamming/sudden stop while I was driving through an intersection. Following this incident, I developed neck pain & headaches. The vehicle was towed to the dealership for a second time. During discussion with the dealership, I was informed that the April 10, 2026 service visit had been documented as relating to a "check engine" light. I want to make clear that the warning messages displayed during the April 10 incident were not a check-engine light. The messages displayed were: • "Stop Safely–Electrical Fault Detected"• "Stop Safely–Loss of Drive" My research found reports of other RR owners experiencing the same issue.

Filed May 18, 2026 · Acceleration, Fuel system · TX

I am filing a safety complaint regarding a defective diesel emissions system and persistent warning condition in my 2017 Land Rover Range Rover Sport Diesel vehicle that presents a serious safety hazard to myself and others. The vehicle was purchased from Ewing Buick GMC in Plano, Texas, [XXX] and was advertised as being in good condition and ready for sale. At the time of purchase, the vehicle appeared to have undergone preparation and inspection-related services, which gave the impression that it was safe and roadworthy. Dealer informed me of no inspection being performed. Shortly after purchase, the vehicle began displaying persistent emissions-related warnings (DEF system / engine warning). I initially had the vehicle inspected, and serviced for repairs by Royse City Auto Care, where diagnostic information indicated emissions-related faults. Due to the seriousness of the issue, the vehicle was then taken to an authorized Land Rover service center for further diagnosis. Land Rover technicians indicated that potential causes may include a knock sensor or related module failure; however, they stated that these repairs are not guaranteed to resolve the issue. The warning condition remains active and unresolved. The vehicle now presents a critical safety concern. The emissions system warning includes a mileage countdown that will eventually prevent the vehicle from being driven once it reaches zero. This creates a dangerous situation where I may be unable to operate the vehicle at all, potentially leaving me stranded in unsafe conditions. Additionally, the vehicle may enter reduced power mode (limp mode) or experience loss of power while driving. These conditions significantly increase the risk of an accident, especially on highways or in traffic. As a result, my safety and the safety of others on the road are put at risk. This ongoing defect, combined with the inability to guarantee a repair, raises serious concerns about the reliability and safety of the INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATI

Filed Feb 26, 2026 · Electrical · NJ

While traveling at highway speeds, the vehicle suffered a sudden and total loss of motive power (high-speed stall) without prior symptoms. A "Charging System Fault" message appeared seconds before the engine and all critical electrical systems shut down. This failure occurred in active traffic, resulting in the immediate loss of power steering and electronic braking assistance, creating an imminent collision risk for the occupants and surrounding motorists. Component Failure: The authorized dealer confirmed the failure of the DC-DC Converter (original part LR176476), which regulates the 48V-to-12V charging cycle. The component is currently held by the dealer and available for inspection. The failure caused a secondary total depletion of the 12V battery, rendering the vehicle's safety lighting and hazard signals inoperable. Manufacturer Awareness: The dealer confirmed the original part has been discontinued and superseded by a revised design (Part 433123472) due to known defects. Furthermore, the dealer stated that multiple other vehicles are currently grounded at their location awaiting the same backordered safety component. There is currently no estimated time of arrival for the revised part, leaving the vehicle indefinitely sidelined due to a systemic manufacturing flaw.

Filed Feb 9, 2026 · Fuel system · FL

My Range Rover diesel is continuing to have premature Diesel Particulate Filter (DPF) clogging, causing dashboard warnings, "limp mode," reduced power, and engine issues. This causes the car to immediatly without warning reduce power and you have a certain amount of miles before the car shuts down. Range Rover knows of this incident, and there is a law suit concerning this, and unfortunately this problem did not occur to my car until after the lawsuit deadline went into effect. This has happened several times with the only solution to order an 11,000 new system which has the same defect as the original one in the car.

Filed Jan 2, 2026 · Electrical, Engine · AZ

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.

Filed Dec 30, 2025 · Electrical, Fuel system · CT

As I was driving my vehicle to my residence, the car lost all power. The engine remained ‘on’, and the engine revved if I pushed the gas pedal, but there was zero acceleration. Fortunately I was able to maneuver/coast to a side street and stop my vehicle safely. I also felt fortunate that no car was following closely behind me which could have created a potential rear-end collision threat. I had very little warning that anything was wrong with the car. Approximately 20 minutes prior to the vehicle losing all power, I was driving to a store and parking in its parking lot. The vehicle warned me to not turn it off and the instrument panel showed a warning of ‘Electrical Fault Detected’. Because the car gave me the message to not turn it off, I decided to drive home. I had no idea the car would suddenly lose all power. I still do not know what ‘Elctrical Fault Detected’ means. When I tried to investigate this fault, I was surprised to see that Land Rover Range Rover Sport models from 2023 and 2024 were recalled for this problem. My vehicle is a 2022, and I did not receive a recall notice.