Intermitted Flashing Dash Lights, Headlights, and Car Alarms. Steering wheel moving up and down. Looks like the same issue as Service Bulleting 21-055.
2020 acura MDX electrical problems
moderate 31 complaints filed with NHTSA · avg repair $850
What owners are reporting 7 most recent
The contact owns a 2020 Acura MDX. The contact stated that while driving at slower speeds, the vehicle stalled and shifted into neutral. After shifting to the park, the vehicle was restarted and operated normally. The contact stated that the failure had occurred on numerous occasions while accelerating from a stop or while decelerating to a stop. The vehicle was taken to the local dealer on multip…
The contact owns a 2020 Acura MDX. The contact stated that upon coming to a complete stop, the vehicle suddenly stalled. After which, the contact became aware that the vehicle briefly failed to detect that the key was present, preventing the vehicle from restarting. After a while, the vehicle was able to detect that the key was present, and the vehicle started. The vehicle returned to normal funct…
I was on a bridge heading into a tunnel stopped due to traffic and the car shut off completely. The screen said to put the car in park and restart it. I tried several times and after a few attempts it started back up. This is the third time this happened. I had a recall when I purchased it and had the recall addressed for the same issue. Now I am back at Acura again. And being told I may have to p…
While coming to a stop the engine start stop engaged causing the engine to turn off completely and would not restart when the throttle was pressed . The transmission shifted into neutral and the push button start would not fire the engine. Car would not go back to park. After locking and unlocking the door 30 seconds later it reset and the engine refired. This occurred with traffic flowing behind…
Auto braking system engaged abruptly, without necessity. This occurred twice (December 2022 and November 2023) almost causing collisions on both occasions. The dealer could not reproduce the problem when it was brought in in December 2022 and said this could occur if the sensors are dirty and to ensure they are always clean. I have since done so, and the same thing happened again. There were no wa…
The vehicle stalled and was unable to start again, Called AAA , they jump started but when I went to dealership they said it wasn't the battery. The car electrical electric system was flashing. The breaks won't release. This is not the first time. My car is currently in Acura service for 5 days and they can't figure out what the problem is. My friends car also has had similar issues. I have a vide…
Common questions
How serious is the electrical problem on the 2020 acura MDX?
It's a documented issue but not catastrophic. 31 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.