2020 Buick Encore GX electrical system problems
14 owner complaints filed with NHTSA name the electrical system on the 2020 Buick Encore GX — 21% of all complaints for this model year.
What owners report
“I am submitting this complaint regarding several serious mechanical and electrical issues with my 2020 Buick Encore GX that raise significant concerns about the vehicle's reliability and safety. Most concerning, I was recently informed by the dealership that my vehicle requires another transmission…”
filed Jul 22, 2026
“My 2020 Buick Encore GX is showing a message with accompanying ding ding sounds "Shift to Park" after I put my car in park. This malfunction will not allow the car to be locked. I see there are many complaints and lawsuits that GM has not attended to. How do we get GM to initiate a recall on…”
filed Feb 20, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other Encore GX years
| Year | Reports | Share |
|---|---|---|
| 2024 Encore GX | 17 | 61% |
| 2023 Encore GX | 5 | 21% |
| 2022 Encore GX | 7 | 24% |
| 2021 Encore GX | 4 | 8% |
Other reported problem areas on the 2020 Buick Encore GX
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.