2012 GMC Acadia electrical system problems
41 owner complaints filed with NHTSA name the electrical system on the 2012 GMC Acadia — 14% of all complaints for this model year.
What owners report
“Hello so I notice 3 weeks ago my headlights keep cutting off and on then a week later my radio stopped working, The floor of the driver side is always wet after it rains. I noticed one day the rain started dripping on my feet when I drive after a big rain fall, I believe the car is not sealed…”
filed Aug 5, 2026
“This 2012 GMC Acadia denali with close to 160k has been in the shop several times due to it randomly stalling out It kept basically locking me out from starting the car a "service anti-theft system" would flash across the dash followed by a flashing check engine light along with a lock and key…”
filed Jun 24, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other Acadia years
| Year | Reports | Share |
|---|---|---|
| 2025 Acadia | 4 | 6% |
| 2024 Acadia | 8 | 14% |
| 2023 Acadia | 9 | 21% |
| 2022 Acadia | 15 | 31% |
| 2021 Acadia | 38 | 26% |
| 2020 Acadia | 27 | 27% |
| 2019 Acadia | 105 | 27% |
| 2018 Acadia | 108 | 27% |
| 2017 Acadia | 193 | 27% |
| 2016 Acadia | 25 | 11% |
| 2015 Acadia | 28 | 12% |
| 2014 Acadia | 90 | 19% |
Other reported problem areas on the 2012 GMC Acadia
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.