2024 Lexus RX electrical problems

Filed Sep 23, 2026 · Electrical · IN

A 2024 Lexus RX 350 H 12 volt battery is discharging leaving owners stranded. AAA must be called to jump the battery. This has happened four times, each when opening car doors to clean the vehicle. From my understanding the battery discharges within 5 minutes leaving the auxiliary system without power and the inability to start the car. Not exactly sure what is causing the battery drain but vehicle becomes unable to move, open doors or move since drive train will not allow any movement. Owners have been stranded four times waiting on help. Dealer unsure of problem but exploring electrical issues, battery issues, software issues or unknown issues.

Filed Apr 10, 2026 · Electrical · 17,500 miles · CA

The contact owns a 2024 Lexus RX 350H. The contact stated that while attempting to start the vehicle, several unknown warning lights illuminated. Additionally, the door latches locked independently, and the contact and wife were locked inside the vehicle for several hours. The contact eventually remembered to pull the mechanical door latch and exited the vehicle. The vehicle was towed to the dealer where it was diagnosed with battery failure. The contact was informed that the battery needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure, and a case was filed. The failure mileage was approximately 17,500.

Filed Mar 11, 2026 · Electrical, Locks · 1,624 miles · VA

The contact owned a 2024 Lexus RX 350H. The contact stated that while the vehicle was parked and running, it unexpectedly turned off with the electronic malfunction error message displayed. The vehicle could not able to be restarted, and the contact was unable exit the vehicle due to the failure of the power locks. Roadside Assistance assisted with removing the contact from the vehicle. The vehicle was taken to the dealer, where it was diagnosed with battery failure. The contact was informed that the battery needed to be replaced. The vehicle was repaired; however, the failure persisted. The vehicle was taken back to the dealer and remained with the dealer. The dealer was not contacted. The vehicle was not diagnosed or repaired. The dealer attempted to return the vehicle back to the residence. The contact was concerned about the issues with the vehicle. The manufacturer was made aware of the failure. The failure mileage was approximately 1,624.

Filed Mar 7, 2026 · Electrical · CA · 2 injuries

I am reporting a recurring electrical and mechanical system failure on a 2024 Lexus RX 350h Luxury. On [XXX], the vehicle suffered a total power loss that rendered the electronic door latches unresponsive to all inputs. Because the occupants were a [XXX] and a [XXX] strapped into car seats, they were physically unable to reach the interior manual overrides. Critically, the mechanical backup key also failed to unlock the vehicle from the exterior, preventing immediate rescue. This created a life-threatening entrapment scenario. The doors only responded after multiple minutes of repeated manual attempts. Once entry was gained, the vehicle would not start and the headlights began blinking rapidly, indicating a total system communication failure. I had to use jumper cables to restore power. This is the second occurrence of this catastrophic failure, documented on Repair Order [XXX] at Lexus of Westminster. The failure of both electronic and mechanical failsafes constitutes an extreme occupant safety hazard. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Feb 2, 2026 · Electrical · TX

My 2024 Lexus RX 350h experienced a catastrophic 12V battery collapse (2.00V), disabling the electronic 'e-Latch' door system and rendering interior handles non-functional for standard use. While a manual override exists, it is not intuitive for emergency egress. Additionally, the electronic parking brake and shift-by-wire systems remained physically locked, preventing the vehicle from being moved to a safe location during the power failure. I am reporting this as a failure of primary safety and fail-safe protocols. Dealer did not consider this a a problem because he said I “needed to read the manual before I ever drove the car”

Filed Jan 1, 2026 · Electrical · CA

The car started showing multiple error messages on the dash and then shut off while in operation, it would not restart without a service call and battery boost. This has happened multiple times. Online research shows this is a common issue with the hybrid models - the 12v battery doesn't get adequately charged, voltage drops and car ceases to work - even while mid drive on the road, this is extremely scary and dangerous.

Filed Dec 31, 2025 · Electrical · OH

Battery has "sulfated" twice in 15 months of ownership. Lexus/dealer have replaced battery two times. Considered safety issue since battery could "die" at any time. Could be locked out of car with infant inside or if battery dies while driving, car could become immobile.

Filed Dec 8, 2025 · Electrical · 22,790 miles · GA · 1 injury

The contact owns a 2024 Lexus RX. The contact stated that while idle at a red stoplight, the entire vehicle began to violently jerk back and forth. No warning lights illuminated. The vehicle was taken to a local dealer, where it was diagnosed with a software malfunction, and the failure was replicated. The vehicle was repaired. Medical attention was sought for severe depression, anxiety, PTSD, memory loss, concussion, head, neck, and back injuries. No police report was filed. In addition, the contact stated that after the injuries, she was no longer able to work or drive. The manufacturer was made aware of the failure. The failure mileage was approximately 22,790.

Filed Nov 7, 2025 · Electrical · 16,342 miles · CA

The contact owns a 2024 Lexus RX350H. The contact stated while attempting to start the vehicle, the vehicle failed to start as intended. The contact stated that the doors failed to unlatch, and the key fob failed to function as intended. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. Additionally, the failure had occurred while the contact and her husband were occupying the vehicle. The contact stated that luckily the weather was not cold, or a baby was not in the vehicle during the failure. AAA was contacted and provided a jumpstart to the vehicle. The manufacturer was made aware of the failure and a case was filed. The failure mileage was approximately 16,342.

Filed Sep 10, 2025 · Airbags, Electrical · NV

Was pulling into parking spot when car went haywire and started accelerating on its own. It would not stop until it has hit 5 cars and crashed into a cement wall. The brakes did NOT stop the acceleration. This occurred at the exact same time there was an incoming call which was not answered. The airbags did NOT deploy. The car appears to be totaled and has been towed to a State Farm affiliated auto yard. There were no indicator lights that something was wrong BUT the Lexus app showed 5 warnings that came in to my text messages same day. These 5 alerts are indicative of exactly what occurred.