2021 GMC Yukon Forward collision avoidance Problems
- Complaints
- 19about this part
- Share
- 6%of 343 total for the year
- Median mileage
- 15,500miles
- Trend
- RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
NHTSA recorded 19 complaints about the forward collision avoidance of the 2021 GMC Yukon, 6% of the 343 complaints for this model year. Where a mileage was given, the median is 15,500 miles. 2 of these say a crash was involved, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Driving approx. 62 MPH on a highway, went to slow down and unable to brake, upon pushing down on the break there was resistance, after pumping the breaks multiple times I was eventually able to slow down with a lot of force. Messages on dashboard read brake system failure 62 max speed ESC, service ESC, service trailer break system, and forward collision system unavailable. Abs, ESC and check engine light all illuminated on dash screen.”
NHTSA complaint #11402695, filed 2021-03, 11,000 miles“I bought the vehicle used with 40,000 miles it’s has 100,856 now the engine shot off while I was driving and brought it to the GMC dealer that GM instructed me to the dealer had me pay 284.95 for inspection and then try to charge me 1284.95 for a complete tar down of the engine because of misfiring and ESC error codes.”
NHTSA complaint #11747447, filed 2026-06“2 different times I have been driving once at a high speed of 70 on the highway and then driving 15-20 miles an hour today my automatic braking engaged and threw me forward which is a very scary feeling. I have not taken it in for service for that as it had only happened once a few months ago and there have been no warning lamps indicating an issue.”
NHTSA complaint #11553511, filed 2023-11“I was driving on the interstate on a low speed and my SUV came to a complete stop with no notice. Nothing was in the road or close in front of me. Jerked me to the front and seat belt left a red spot on my neck from the seat belt, scared the crap out of me. I thought I was hit from behind. The is a hug safety concern that needs to be recalled and fixed immediately before it causes an accident.”
NHTSA complaint #11538531, filed 2023-08“Vehicle: 2021 GMC Denali Mileage: ~48,000 miles Purchase Price: $62,000 Issue: Airbags & crash sensors failed to deploy Complaint Text: I am filing a safety complaint regarding my 2021 GMC Denali. I was involved in a rear-end collision at approximately 45 mph, where I struck another vehicle straight on from behind. The impact was severe enough to total my vehicle, yet no airbags deployed, and no forward collision warning or crash sensor systems activated. …”
NHTSA complaint #11706440, filed 2025-12Related service bulletins
- 11023051May 8, 2025This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer…
Forward collision avoidance: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 5 | 9% |
| 2024 | 10 | 9% |
| 2023 | 6 | 2% |
| 2022 | 5 | 3% |
| 2021 | 19 | 6% |
| 2020 | 1 | 3% |
| 2019 | 1 | 2% |
| 2018 | 1 | 1% |
| 2017 | 3 | 2% |
| 2016 | 5 | 2% |
| 2015 | 1 | 0% |
| 2014 | 1 | 2% |
Other parts of the 2021 GMC Yukon
189 complaintsFuel system
56 complaintsTransmission and drivetrain
55 complaintsEngine cooling
32 complaintsElectrical system
31 complaintsOther or unknown
23 complaintsAir bags
18 complaintsBrakes
12 complaintsSteering
11 complaintsSeats
7 complaintsSuspension
6 complaintsVehicle speed control
6 complaints
← All problems reported for the 2021 GMC Yukon
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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