YearToAvoid

2021 GMC Acadia Electrical System Problems

NHTSA lists 38 Electrical System complaints for the 2021 GMC Acadia, 26% of all complaints filed for that year. Failures are reported at a median 4,800 miles, with 3 crashes and 1 injury tied to this component. No related recall is on file.

Electrical System complaints
38
26% of 149
Crashes reported
3
Fires reported
0
Injuries reported
1
Median mileage
4,800 mi
Related recalls
0

Typical electrical symptoms owners report

  • Backup cameras intermittently drop out, show a black screen, or fail to display an approaching vehicle while reversing.
  • Vehicle suddenly stalls or completely shuts off while driving, sometimes traced to a fuel pump driver module failure or blown fuses.
  • Digital instrument dash goes completely black while driving, in some cases for several miles, sometimes linked by the dealer to outdated software.
  • Door locks malfunction, locking owners out of the vehicle even when using the key fob or app.
  • Battery drains repeatedly and needs replacement multiple times within a short span.
  • Infotainment and audio issues occur alongside electrical faults, including screen blackouts and loss of volume control.

When 2021 GMC Acadia electrical complaints were filed

First complaint Dec 12, 2020, latest Sep 14, 2026.

2021 GMC Acadia electrical system complaints: complaints filed per month4Dec 2020Nov 2021Nov 2022Sep 2023Dec 2024May 2025Nov 2025Mar 2026
38 complaints filed with NHTSA from Dec 2020 to Sep 2026; peak Mar 2025 (4).

Electrical System recalls for the 2021 GMC Acadia

No safety recalls on record for this model year.

Electrical System complaints by Acadia model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 201059 (17%)
  2. 201177 (29%)
  3. 201257 (19%)
  4. 201346 (34%)
  5. 2014101 (22%)
  6. 201537 (15%)
  7. 201626 (11%)
  8. 2017216 (31%)
  9. 2018109 (28%)
  10. 2019114 (30%)
  11. 202028 (27%)
  12. 202138 (26%)
  13. 202215 (31%)
  14. 202310 (23%)
  15. 202412 (20%)
  16. 20257 (11%)

Frequently asked questions

How common are electrical problems on the 2021 GMC Acadia?
NHTSA lists 38 Electrical System complaints for the 2021 Acadia, making up 26% of all 149 complaints filed for that model year.
Is there a recall for the 2021 GMC Acadia electrical system?
No. There are no related recalls listed for the Electrical System on the 2021 Acadia in this data.
At what mileage do electrical problems tend to show up?
The median mileage at failure reported to NHTSA for this component is 4,800 miles.
Have electrical issues caused any crashes?
Yes, NHTSA data ties 3 crashes and 1 injury to Electrical System complaints on the 2021 Acadia.
Is 2021 worse than other Acadia years for electrical complaints?
The 26% share for 2021 is lower than years like 2013 (34%), 2017 (31%), and 2022 (31%), but similar to 2020 (27%).

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.