2020 Acura MDX electrical system problems
39 owner complaints filed with NHTSA name the electrical system on the 2020 Acura MDX — 18% of all complaints for this model year.
What owners report
“Multiple errors Lane departure and advanced driver support, ACC LKAS, auto high beam, and braking system. Looking into this more i see lots of people with the same issue failing front facing camera and not a cheap fix. Is there any current investigations into this problem or a software upgrade? I…”
filed Aug 24, 2026
“The contact owns a 2020 Acura MDX. The contact stated that on six occasions the vehicle stalled and failed to restart immediately. The contact stated that while the idle button was on, the failure occurred. The contact was concerned about being in a crash. The vehicle was taken to the local dealer…”
filed Aug 14, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other MDX years
| Year | Reports | Share |
|---|---|---|
| 2025 MDX | 48 | 46% |
| 2024 MDX | 11 | 28% |
| 2023 MDX | 8 | 21% |
| 2022 MDX | 20 | 13% |
| 2019 MDX | 41 | 22% |
| 2018 MDX | 27 | 16% |
| 2017 MDX | 44 | 17% |
| 2016 MDX | 37 | 10% |
| 2015 MDX | 15 | 21% |
| 2014 MDX | 27 | 16% |
| 2013 MDX | 8 | 28% |
| 2012 MDX | 13 | 17% |
Other reported problem areas on the 2020 Acura MDX
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.