2021 GMC Yukon Vehicle speed control Problems
- Complaints
- 6about this part
- Share
- 2%of 345 total for the year
- Median mileage
- 4,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the vehicle speed control of the 2021 GMC Yukon, 2% of the 345 complaints for this model year. Where a mileage was given, the median is 4,000 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 had just pulled off from street light, hit button to turn auto engine shutoff off, all of sudden I lose power as if I'm in neutral, engines reving up but won't go. Then kicks in but with less power like gears will not shift. I get to my destination but car will not go in reverse.”
NHTSA complaint #11722391, filed 2026-03“On July 28, 2026, while traveling on vacation with my family, our vehicle experienced a catastrophic engine failure. There were warning lights displayed for 30 seconds prior to the engine failure. On July 23, 2026, one day before taking the vehicle to the dealership, the following warning indicators appeared on the dashboard and then disappeared: “Service ESC,” “Service Traction Control,” and a flashing engine light. We took the vehicle to the dealership on July 24, 2026, because we wanted to be proactive and ensure that the vehicle was safe to operate. …”
NHTSA complaint #11756194, filed 2026-08“2021 Yukon Denali. Inspected by dealer under recall. Passed dealership test and new oil viscosity adjustment completed by dealer at 39k miles. Told no issues with vehicle continue to drive it. Today 4-14-26 on the interstate traveling 75mph the engine seized and lost all power. Instrument panel showed 0rpm as I coasted to a stop and the engine lost all power. I placed the vehicle in park on the shoulder and attempted to restart. Nothing! Engine would crank. Towed to Olathe gmc dealer and they took one looke at it , diagnosed it said it had all symptoms of total engine failure. …”
NHTSA complaint #11731242, filed 2026-04“The contact owns a 2021 GMC Yukon. The contact stated while stopped at a traffic signal, the engine started revving without the accelerator pedal being depressed. The contact stated that the vehicle occasionally independently accelerated. The contact state that the failure also occurred while the vehicle was in park(P). The contact stated no warning light was illuminated. The contact had not taken the vehicle to a local dealer or independent mechanic. The vehicle had not been diagnosed or repaired. The manufacturer had not been informed of the failure. …”
NHTSA complaint #11512883, filed 2023-03, 17,000 milesRelated service bulletins
- 11014171Jan 31, 2025This service bulletin provides information on proper use of floor mats.
Vehicle speed control: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 1 | 2% |
| 2024 | 2 | 2% |
| 2023 | 7 | 3% |
| 2022 | 2 | 1% |
| 2021 | 6 | 2% |
| 2018 | 3 | 4% |
| 2017 | 3 | 2% |
| 2016 | 6 | 2% |
| 2015 | 3 | 1% |
| 2014 | 4 | 7% |
| 2013 | 1 | 1% |
| 2012 | 4 | 6% |
| 2011 | 5 | 3% |
| 2010 | 3 | 3% |
| 2009 | 2 | 2% |
| 2008 | 7 | 4% |
| 2007 | 13 | 3% |
| 2006 | 2 | 7% |
| 2005 | 1 | 1% |
| 2004 | 14 | 9% |
| 2003 | 13 | 6% |
| 2002 | 4 | 3% |
| 2001 | 3 | 2% |
| 2000 | 6 | 4% |
| 1999 | 2 | 1% |
| 1998 | 2 | 3% |
| 1997 | 2 | 2% |
| 1996 | 1 | 1% |
| 1995 | 2 | 2% |
| 1994 | 1 | 2% |
Other parts of the 2021 GMC Yukon
190 complaintsFuel system
57 complaintsTransmission and drivetrain
55 complaintsEngine cooling
32 complaintsElectrical system
31 complaintsOther or unknown
23 complaintsForward collision avoidance
19 complaintsAir bags
18 complaintsBrakes
12 complaintsSteering
11 complaintsSeats
7 complaintsSuspension
6 complaints
← All problems reported for the 2021 GMC Yukon
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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