YearToAvoid

2018 GMC Acadia Electrical System Problems

NHTSA lists 109 Electrical System complaints for the 2018 GMC Acadia, 28% of its 395 total complaints. Owners most often describe the vehicle failing to recognize it is in park, with median mileage at failure of 31,500 miles. No related recall is on file for this issue.

Electrical System complaints
109
28% of 395
Crashes reported
3
Fires reported
1
Injuries reported
3
Median mileage
31,500 mi
Related recalls
0

Typical electrical symptoms owners report

  • Vehicle does not recognize it is in park, keeping the dashboard lit, chiming, and sometimes not letting the engine shut off.
  • Failure to register park has led to reports of the vehicle rolling on its own after the driver exits.
  • Instrument panel and radio stay powered after shutdown, in some cases draining the battery overnight.
  • Automatic door locks fail to engage when the vehicle is turned off, leaving it unable to be locked.
  • Headlights are described as too dim in rain or at night, with owners citing near-miss incidents.
  • A wireless phone charger accessory reportedly works with only a narrow range of phone models.

When 2018 GMC Acadia electrical complaints were filed

First complaint Sep 7, 2018, latest Jun 8, 2026.

2018 GMC Acadia electrical system complaints: complaints filed per quarter142018 Q32019 Q42021 Q12022 Q12023 Q22024 Q22025 Q22026 Q2
109 complaints filed with NHTSA from 2018 Q3 to 2026 Q2; peak 2019 Q4 (14).

Electrical System recalls for the 2018 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 many electrical complaints does NHTSA have for the 2018 GMC Acadia?
NHTSA lists 109 Electrical System complaints for the 2018 Acadia, which is 28% of the 395 total complaints filed for that model year.
What is the most common electrical problem reported?
The most frequently described issue is the vehicle failing to recognize it is in park, which can keep the dashboard on, prevent the engine from shutting off, or let the vehicle roll.
At what mileage do these electrical problems usually show up?
NHTSA data shows a median mileage at failure of 31,500 miles for Electrical System complaints on the 2018 Acadia.
Is there a recall for the 2018 Acadia electrical issues?
No related recall is listed in NHTSA data for this Electrical System complaint pattern.
Were there any crashes or injuries linked to these complaints?
NHTSA records 3 crashes, 1 fire, and 3 injuries associated with Electrical System complaints for the 2018 Acadia.

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.