2020 GMC Acadia electrical system problems
27 owner complaints filed with NHTSA name the electrical system on the 2020 GMC Acadia — 27% of all complaints for this model year.
What owners report
“[Symptom & Safety Hazard] While driving my 2020 GMC Acadia 3.6L V6, the Driver Information Center displayed the warning: "Steering Assist Reduced, Drive With Care" (SARDWC). Steering effort increased abruptly, the engine temperature gauge dropped to cold/zero, and the HVAC system lost…”
filed Jul 12, 2026
“Thermostat issue causing check engine light as well as steering assist to be turned off. Fan constantly runs. Reset code and immediately is fine again for anywhere from a day to weeks but then happens again. Car is just out of warranty but seems to be common occurrence as there is a service…”
filed May 31, 2026
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% |
| 2019 Acadia | 104 | 27% |
| 2018 Acadia | 108 | 27% |
| 2017 Acadia | 193 | 27% |
| 2016 Acadia | 25 | 11% |
| 2015 Acadia | 28 | 12% |
| 2014 Acadia | 90 | 19% |
| 2013 Acadia | 38 | 28% |
Other reported problem areas on the 2020 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.