2023 Chevrolet Trailblazer electrical system problems
14 owner complaints filed with NHTSA name the electrical system on the 2023 Chevrolet Trailblazer — 23% of all complaints for this model year.
What owners report
“The Onstar module has went out on my car and while researching the issue I found out that it is a very common problem with Chevrolet/GM vehicles years 2021-2025 and although Chevrolet and GM are wwll aware that there's an issue and that the onstar modules are faulty there's been no recall. Mind you…”
filed Mar 13, 2026
“Screen in car goes black.no radio,no noise,no back up camera-Apple car play won’t hook up anymore-I see others models around mine having exactly the same issues I am experiencing-I have reset radio/screen multiple times,it works anywhere from a few mins to hours then it blacks out again and there…”
filed Feb 13, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other Trailblazer years
| Year | Reports | Share |
|---|---|---|
| 2025 Trailblazer | 11 | 58% |
| 2024 Trailblazer | 11 | 34% |
| 2022 Trailblazer | 29 | 27% |
| 2021 Trailblazer | 39 | 21% |
| 2009 Trailblazer | 9 | 33% |
| 2008 Trailblazer | 65 | 34% |
| 2007 Trailblazer | 200 | 27% |
| 2006 Trailblazer | 251 | 23% |
| 2005 Trailblazer | 617 | 42% |
| 2004 Trailblazer | 627 | 58% |
| 2003 Trailblazer | 285 | 32% |
| 2002 Trailblazer | 181 | 16% |
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.