2018 GMC Acadia Electrical System Problems
Owners have filed 109 complaints with NHTSA about electrical system problems on the 2018 GMC Acadia, 28% of all complaints for this model year. Half of the reports with a mileage happened before 32,000 miles. The words owners use most often: “shift park” (66% of reports).
- 109electrical system complaints
- 32,000median miles at failure
- 3mention a crash
- 2mention an injury
- 0related recalls
- 55%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Shift park: mentioned in 72 of 109 complaints (66%)
- Turn off: mentioned in 33 of 109 complaints (30%)
- Error message: mentioned in 6 of 109 complaints (6%)
At what mileage do electrical system problems happen?
Based on 51 complaints that reported the odometer reading.
How serious are the reports?
Of 109 complaints, 3 mention a crash, 1 a fire, 2 an injury.
GMC Acadia electrical system complaints by model year
| Model year | Electrical System complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Acadia | 3 | 33% | 900 |
| 2025 Acadia | 4 | 6% | — |
| 2024 Acadia | 8 | 13% | 600 |
| 2023 Acadia | 9 | 20% | 9,757 |
| 2022 Acadia | 15 | 31% | 28,000 |
| 2021 Acadia | 38 | 25% | 4,800 |
| 2020 Acadia | 28 | 26% | 1,700 |
| 2019 Acadia | 105 | 27% | 26,000 |
| 2018 Acadia | 109 | 28% | 32,000 |
| 2017 Acadia | 193 | 27% | 34,504 |
| 2016 Acadia | 25 | 11% | 47,783 |
| 2015 Acadia | 28 | 12% | 50,000 |
| 2014 Acadia | 90 | 19% | 72,000 |
| 2013 Acadia | 38 | 28% | 65,000 |
| 2012 Acadia | 41 | 14% | 84,000 |
| 2011 Acadia | 47 | 17% | 75,000 |
| 2010 Acadia | 45 | 13% | 67,640 |
| 2009 Acadia | 47 | 14% | 70,000 |
| 2008 Acadia | 153 | 18% | 86,000 |
| 2007 Acadia | 57 | 13% | 91,232 |
When owners reported it
Related recalls (0)
No safety recall lists electrical system for the 2018 GMC Acadia. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
I get error electric Steering assist reduced or unavailable drive with care at around 84234 miles on my car . Upon looking up problem on Internet it has to do with the Thermostat. I also found where Gm has a bulletin N252508350 which only seems to cover certain vehicles with the same problem. This…
Shift to park Malfunction again, 4 th time!! 1000$ to fix is ridiculous
Shift to park error Vehicle wonât shut off

Frequently asked questions
Do all 2018 GMC Acadias have electrical system problems?
No. NHTSA has 109 owner complaints about electrical system for the 2018 GMC Acadia (28% of the 396 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2018 GMC Acadia electrical system?
No recall currently lists electrical system for this vehicle.
At what mileage do electrical system problems start?
The median reported mileage is 32,000 miles: half of the reports with a mileage came before that.
What do owners say about electrical system problems on the 2018 GMC Acadia?
The most frequent phrase is “shift park”, in 72 of 109 complaints, followed by “turn off” (33).
Other 2018 GMC Acadia problems
- Power Train problems (163)
See all 2018 GMC Acadia problems or electrical system problems across all Acadia years.