2021 GMC Yukon forward collision avoidance problems
19 owner complaints filed with NHTSA name the forward collision avoidance on the 2021 GMC Yukon — 6% of all complaints for this model year.
What owners report
“Crankshaft / Camshaft caused catastrophic engine failure while on a family road trip leaving family and kids stranded on the side of the highway for hours. 2021 GMCs are notoriously having this issue but they refused to include our VIN in the recall. It cost us almost $13,000 to replace with a…”
filed Sep 11, 2026
“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…”
filed Jun 30, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Forward Collision Avoidance problems in other Yukon years
| Year | Reports | Share |
|---|---|---|
| 2025 Yukon | 5 | 10% |
| 2024 Yukon | 10 | 10% |
| 2023 Yukon | 6 | 3% |
| 2022 Yukon | 5 | 3% |
| 2020 Yukon | 1 | 3% |
| 2019 Yukon | 1 | 2% |
| 2018 Yukon | 1 | 1% |
| 2017 Yukon | 3 | 2% |
| 2016 Yukon | 5 | 2% |
| 2015 Yukon | 1 | 0% |
| 2014 Yukon | 1 | 2% |
Other reported problem areas on the 2021 GMC Yukon
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.