2020 Acura RDX electrical system problems

Related recalls

No recalls on file.

What owners say

1. Filed Sep 30, 2026MAElectrical System

   • The Media Oriented Systems Transport (MOST) bus network / FAKRA coaxial service cable connectors failed. This failure directly controls the primary infotainment assembly and the central safety display screen. The vehicle and its active components are currently intact, fully operational (with the defect present), and available for inspection upon request. • The hardware defect causes sudden, unpredictable total blackouts of the central display screen while driving. This…

   NHTSA complaint #11768024 · source
2. Filed Aug 30, 2026TXBody & StructureElectrical System

   I am reporting recurring water intrusion into my 2020 Acura RDX following significant rainfall. The first water intrusion resulted from heavy rainfall in April 2026. I did not discover the water inside the vehicle until May 1, 2026, when I found water accumulated on the driver-side floor. I filed an insurance claim after discovering the damage. Following the May 1 discovery, Gunn Acura, where I purchased the vehicle, inspected it. The dealership found the panoramic sunroof…

   NHTSA complaint #11760711 · source
3. Filed Aug 30, 2026TXBody & StructureElectrical System

   I am reporting recurring water intrusion into the driver-side passenger compartment of my 2020 Acura RDX following significant rainfall. This has occurred multiple times. The most recent incident occurred on August 28, 2026, following heavy rainfall. Water entered the vehicle and accumulated on the driver-side floor, leaving the interior floor in a puddle. I documented the water intrusion with photographs and video and submitted that documentation to my automobile insurance…

   NHTSA complaint #11760705 · source
4. Filed Aug 22, 2026FLElectrical SystemEngineOther / Unknown

   The vehicle’s keyless access/security and body control system malfunctioned. An authorized Acura dealer previously diagnosed water intrusion from blocked panoramic sunroof drains, including water reaching the Body Control Module (BCM) Multiplex Control Unit. The dealer reported that this was causing false security alarm activation and battery drainage and recommended BCM replacement. The vehicle and affected components are available for inspection upon request.The condition…

   NHTSA complaint #11758676 · source
5. Filed Aug 21, 2026FLElectrical SystemEngineOther / Unknown

   My RDX experienced a water-intrusion failure involving the panoramic sunroof drainage system and associated electrical components. An authorized Acura dealer diagnosed the right-front sunroof drain as backed up/overflowing, allowing water to reach the Body Control Module (BCM/Multiplex Control Unit). The dealer attributed abnormal security-alarm activation and battery drain to the water-damaged BCM and indicated that the BCM required replacement. The dealer also identified a…

   NHTSA complaint #11758403 · source
6. Filed Dec 22, 2025NJElectrical SystemOther / Unknown

   One day last December it rained very hard for a couple of days. It about 6:30pm I got in my car to go to an appointment. There was water inside the cab, on the seats, inside of the windshield, in the dashboard and controls... and about 4 inches of water on the floor on both passenger and driver side. When I tried to start the car, all the electrical systems went haywire. Everything was blinking at me in the dashboard many different warnings and hazard lights. I took the car…

   NHTSA complaint #11706618 · source
7. Filed Aug 27, 2025FLElectrical System

   The contact owns a 2020 Acura RDX. The contact stated that the vehicle was intermittently difficult to start. The message to depress the brake pedal and press the Push to Start button was displayed. The contact stated that the vehicle was able to restart after several attempts. The vehicle was towed to the dealer to be diagnosed several times, but the failure could not be duplicated. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure.…

   NHTSA complaint #11683365 · source
8. Filed Apr 17, 2025FLElectrical SystemEngine

   While in traffic and stopped at a light, the engine stalled and completely shut down all of a sudden. I had to restart the car and was able to drive home. The engine stalled while in traffic with two other passengers in the car and during a time with other vehicles on the road. The car stalled shortly after turning a corner and other cars potentially rear ending my car due to a sudden stalling. I’m on the way to the dealership where I purchased the 2020 Acura RDX AWD brand…

   NHTSA complaint #11655137 · source
9. Filed Jan 21, 2025IDElectrical SystemOther / Unknown

   My rear window has exploded twice in less than a year. American Honda is aware of this problem and has issued a service bulletin, 22-014. American Honda is refusing to pay my out of pocket expenses totalling $1,100.00. There is a class action suit in CA against American Honda. In both situations my window exploded, parked, for no reason. This is also a safety issued with glass shattering with passengers in the back seat, or also while I am driving. The lawsuit said the…

   NHTSA complaint #11637437 · source
10. Filed Dec 5, 2024WAElectrical SystemLighting

    October 30th 6pm, parked car at home and exterior lights (headlights, fog lights, rear lights) would not turn off. Car was not running. Lights finally went off when battery was completely drained. Had to jump battery to get car to dealership on October 31st. There were no previous warning lamps or messages. Dealership did a complete reinspect and were able to reproduce issue. Dealership determined that there was a leak in the sunroof. I then shared that the sunroof had been…

    NHTSA complaint #11629118 · source
11. Filed Apr 5, 2024NJElectrical SystemVisibility & Wipers

    On [XXX] my windshield wiper motor died during a rainstorm. The car gave no warning lights and I get my vehicle serviced regularly. I have had ongoing electrical issues with this car such as a faulty radio and inability to run the GPS settings. I took the car back to Princeton Acura ( In New Jersey) and was told the Windshield Wiper Motor has to be replaced at it would cost me $ 600.00. The car was also looked at by a mechanic from Jifffy Lube who said he was unable to order…

    NHTSA complaint #11581382 · source
12. Filed Feb 14, 2024FLElectrical SystemEngineFuel, Hybrid & EV Propulsion

    I was passing another vehicle around 45mph when I had a loss of power in acceleration. Acceleration was limp went down to 10mph engine light came on. I had to pull off road. Shut car off then restarted. Engine light went off. But acceleration is weak. Unable to maneuver away from an emergency situation if need to. Dangerous to drive it like this. I will take it to dealership but know they' never find any issues!

    NHTSA complaint #11572004 · source

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology