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Vehicle speed controlPart report

2023 GMC Terrain Vehicle speed control Problems

Complaints
2about this part
Share
5%of 41 total for the year
Median mileage
6,912miles
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.

NHTSA recorded 2 complaints about the vehicle speed control of the 2023 GMC Terrain, 5% of the 41 complaints for this model year. Where a mileage was given, the median is 6,912 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“I was driving the vehicle on the highway the cruise control was on. All of a sudden I got a warning on vehicle info panel that stated vehicle power is reduced. The vehicle decelerated on its own and I could not accelerate past 55. The check engine light came on. I pulled off the road and turned the vehicle off. After about 10 minutes, I started the car back up and proceeded down the highway at normal speed. The check engine light remained on. I stopped at a Chevrolet dealer service center in Ft Stockton, TX, to have the vehicle looked at. …”

NHTSA complaint #11740102, filed 2026-05

“The contact owns a 2023 GMC Terrain. The contact stated that while driving 70-71 MPH, the vehicle suddenly decelerated. There was a red flashing light illuminated. The contact stated that the vehicle then accelerated. Additionally, while driving at an undisclosed speed, the vehicle decelerated, and the message that the sensor was dirty was displayed. The contact stated that the windshield was clean and clear but utilized the windshield wipers, and the warning light disappeared. The local dealer was not contacted. The vehicle was not diagnosed or repaired. …”

NHTSA complaint #11626382, filed 2024-11, 6,912 miles

Related service bulletins

Vehicle speed control: other model years

YearComplaintsShare of year
202613%
202518%
202436%
202325%
202212%
202113%
2020116%
201995%
201884%
201721%
201643%
201531%
201431%
201351%
2012113%
2011185%
2010176%

Other parts of the 2023 GMC Terrain

Fuel system
22 complaints
Engine
15 complaints
Transmission and drivetrain
8 complaints
Electrical system
7 complaints
Other or unknown
7 complaints
Lane departure
4 complaints
Air bags
2 complaints
Forward collision avoidance
2 complaints
Back-over prevention (rear camera)
1 complaints
Engine cooling
1 complaints
Seat belts
1 complaints
Steering
1 complaints

← All problems reported for the 2023 GMC Terrain

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology