2023 GMC Canyon engine problems
10 owner complaints filed with NHTSA name the engine on the 2023 GMC Canyon — 17% of all complaints for this model year.
What owners report
“Coolant leak observed at the upper radiator hose quick-connect fitting. The leak appears to originate from the internal seal at the radiator inlet connection. This issue developed without warning and is consistent with a known defect in the radiator hose seal design used in 2023 GMC Canyon…”
filed Apr 22, 2026
“The upper radiator hose on some huge percentage of these trucks fail (mine has failed at just over 37K miles). You can check the Colorado Chevy and GMC Canyon forums, youtube, Facebook, etc., et al, and find plenty of instances where this has failed. As this is the cooling system, it can cause the…”
filed Feb 25, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Canyon years
| Year | Reports | Share |
|---|---|---|
| 2024 Canyon | 14 | 7% |
| 2022 Canyon | 2 | 8% |
| 2018 Canyon | 6 | 12% |
| 2017 Canyon | 14 | 21% |
| 2016 Canyon | 21 | 8% |
| 2015 Canyon | 13 | 4% |
| 2012 Canyon | 1 | 4% |
| 2009 Canyon | 3 | 11% |
| 2008 Canyon | 14 | 37% |
| 2007 Canyon | 5 | 12% |
| 2006 Canyon | 6 | 13% |
| 2005 Canyon | 5 | 4% |
Other reported problem areas on the 2023 GMC Canyon
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.