2025 GMC Sierra 1500 Transmission and drivetrain Problems
- Complaints
- 28about this part
- Share
- 22%of 125 total for the year
- Median mileage
- 17,000miles
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 28 complaints about the transmission and drivetrain of the 2025 GMC Sierra 1500, 22% of the 125 complaints for this model year. Where a mileage was given, the median is 17,000 miles. 1 of these say a crash was involved and 1 a fire, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The truck keeps wanting to engage two gears acceleration and deceleration and still is happening i have taken it to the dealership an they can not find a problem took it home an its happening again so now its back at the shop now I'm waiting to hear back from them so this is the second time to the dealership”
NHTSA complaint #11718159, filed 2026-02“The engine locked up and stalled out while driving. GM replaced engine but still experiencing issues. Dealer has admitted that they will likely recall my model year since it is an ongoing and same issues as recalled trucks. I have a vehicle I am not confident in nor safe it since it stalled while driving.”
NHTSA complaint #11772806, filed 2026-10“Truck was in Park idling for 20 minutes when it went from Park to Reverse on its own. A person sitting in a dump truck saw the backup lights on my truck come on and the truck started backing towards his truck. My truck hit his truck causing damage to my left rear bumper.”
NHTSA complaint #11669746, filed 2025-06“The vehicle has a vibration and stuttering feel during highway driving. Cruise between 70-75 has off and on again vibration is seat, steering wheel, and center console. The issue feels more pronounced between 60-65 and exhibits more of a hum, much like a washing machine drum that is out of balance. I have had the truck at 2 different dealerships and they have insisted it was a whee balance issue. I have also had the truck balanced at Costco. None of these issues have been alleviated with wheel balance. …”
NHTSA complaint #11693164, filed 2025-10“Either while stopping while driving or parking (forward or reverse) the engine RPMs go up thus wanting to move the vehicle in that direction causing the breaks needing to be applied harder. When you shift into neutral the RPMs go way up (3000). This has happened on this vehicle 3-4 times of which I have video of the latest occurrence. When put into R or D the RPMs are still over 1000. This also happened on the courtesy vehicle same make and model) I was given but on this one the RPMs went up to 5000 of which I also have a video. …”
NHTSA complaint #11742881, filed 2026-06Related service bulletins
- 11024270Oct 14, 2025Certain vehicles, equipped with 8L80 or 8L90 Transmissions, may have a condition in which the reaction carrier cracks. Dealers are to replace the reaction carrier.
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 35 | 24% |
| 2025 | 28 | 22% |
| 2024 | 73 | 19% |
| 2023 | 92 | 18% |
| 2022 | 113 | 19% |
| 2021 | 145 | 24% |
| 2020 | 99 | 20% |
| 2019 | 140 | 21% |
| 2018 | 131 | 43% |
| 2017 | 118 | 33% |
| 2016 | 84 | 24% |
| 2015 | 99 | 14% |
| 2014 | 69 | 9% |
| 2013 | 3 | 3% |
| 2012 | 6 | 6% |
| 2011 | 24 | 8% |
| 2010 | 4 | 2% |
| 2009 | 9 | 4% |
| 2008 | 6 | 2% |
| 2007 | 6 | 2% |
| 2006 | 13 | 9% |
| 2005 | 11 | 6% |
| 2004 | 8 | 4% |
| 2003 | 6 | 3% |
| 2002 | 5 | 3% |
| 2001 | 3 | 2% |
| 2000 | 9 | 5% |
| 1999 | 2 | 1% |
| 1998 | 7 | 12% |
| 1997 | 8 | 10% |
| 1994 | 1 | 8% |
Other parts of the 2025 GMC Sierra 1500
60 complaintsElectrical system
26 complaintsOther or unknown
15 complaintsForward collision avoidance
11 complaintsBrakes
7 complaintsFuel system
7 complaintsVehicle speed control
7 complaintsVisibility (wipers, defrost, mirrors)
7 complaintsBack-over prevention (rear camera)
6 complaintsLane departure
4 complaintsEngine cooling
3 complaintsExterior lighting
3 complaints
← All problems reported for the 2025 GMC Sierra 1500
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