2023 Chevrolet Trailblazer engine problems
14 owner complaints filed with NHTSA name the engine on the 2023 Chevrolet Trailblazer — 23% of all complaints for this model year.
What owners report
“The contact owns a 2023 Chevrolet Trailblazer. The contact stated that on several occasions while driving at various speeds, the vehicle went into LIMP Mode with the check engine warning light illuminated. The contact stated that on three occasions, the vehicle was stopped and restarted, but the…”
filed Jul 10, 2026
“The bolts holding the exhaust to the catalytic converter broke while I was driving my car. The car could have flipped, the exhaust could have busted through the vehicle, or I could have caused an accident and died. This comes on the heels of the EXACT SAME THING happening to my wife's Chevy…”
filed Mar 16, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Trailblazer years
| Year | Reports | Share |
|---|---|---|
| 2025 Trailblazer | 3 | 16% |
| 2024 Trailblazer | 9 | 28% |
| 2022 Trailblazer | 16 | 15% |
| 2021 Trailblazer | 36 | 19% |
| 2009 Trailblazer | 2 | 7% |
| 2008 Trailblazer | 21 | 11% |
| 2007 Trailblazer | 22 | 3% |
| 2006 Trailblazer | 43 | 4% |
| 2005 Trailblazer | 30 | 2% |
| 2004 Trailblazer | 16 | 1% |
| 2003 Trailblazer | 15 | 2% |
| 2002 Trailblazer | 17 | 1% |
Other reported problem areas on the 2023 Chevrolet Trailblazer
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.