OnStar module not working
2025 GMC Terrain electrical problems
moderate 3 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Complaints
3
Recalls
0
Avg fix
$850
What stands out
Of the 16 model years of GMC Terrain we track for electrical problems, this one has the fewest owner complaints on file (3).
Owners are still filing on this — the most recent NHTSA electrical complaint for this vehicle was logged 33 days ago.
What owners are reporting 3 most recent
The contact owns a 2025 GMC Terrain. The contact stated while driving at an undisclosed speed, the infotainment system displayed a blank screen. The contact pulled over to the right side of the road into a gas station and turned off and restarted the vehicle, and the infotainment system displayed a message "Update Failed - See Dealer to Restore System". The dealer was contacted. The vehicle was…
Vehicle wouldn’t unlock/start with primary key fob or secondary key fob. Tried manual entry with both key fobs still could not enter.
Had electrical trouble with your 2025 GMC Terrain?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the electrical problem on the 2025 GMC Terrain?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2025/GMC/Terrain.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.