2023 Chevrolet Trailblazer Engine cooling Problems
- Complaints
- 4about this part
- Share
- 5%of 75 total for the year
- Median mileage
- 88,251miles
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 4 complaints about the engine cooling of the 2023 Chevrolet Trailblazer, 5% of the 75 complaints for this model year. Where a mileage was given, the median is 88,251 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2023 Chevrolet Trailblazer. The contact stated that while driving at approximately 25 - 30 MPH, the exhaust system, where the muffler was attached only had three bolts attached. The contact stated that the exhaust system had detached and the muffler was very loud. The tow truck driver loaded the muffler separately. The vehicle was towed to the local dealer. The dealer stated that the issue was normal wear and parts were ordered to repair the vehicle. The contact stated that the bolts on one side of the exhaust were stuck. The failure mileage was approximately 18,787.”
NHTSA complaint #11772950, filed 2026-10, 18,787 miles“The contact owns a 2023 Chevrolet Trailblazer. The contact stated that, while driving on several occasions with the auto start-stop feature activated, the vehicle appeared to shut down at a complete stop as the infotainment screen and dashboard lights turned off. The vehicle restarted automatically but shuddered during startup. The dashboard lights and the infotainment screen became operable. The vehicle was not diagnosed or repaired. Additionally, the contact stated that while driving at approximately 30 MPH, the thermostat needle went to Hot, and the Check Engine warning light illuminated. …”
NHTSA complaint #11743152, filed 2026-06, 88,251 miles“The contact owns a 2023 Chevrolet TrailBlazer. The contact stated while driving 70 MPH on the interstate , the vehicle independently went into engine power reduce mode. The contact mention she pulled off the interstate, turned the vehicle off for five to ten minutes then turned the vehicle back on and the vehicle began to work as intended. A dealer was contacted. The vehicle was taken to a dealer where it was diagnsonesd the turbo booster needed to be replaced. The vehicle was not repaired. The manufacturer was notified on the failure, and they informed her there were no recalls at this time. …”
NHTSA complaint #11737558, filed 2026-05, 103,000 milesEngine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 4 | 5% |
| 2022 | 2 | 2% |
| 2021 | 2 | 1% |
| 2008 | 12 | 6% |
| 2007 | 12 | 2% |
| 2006 | 24 | 2% |
| 2005 | 44 | 3% |
| 2004 | 39 | 4% |
| 2003 | 65 | 7% |
| 2002 | 143 | 12% |
| 2001 | 5 | 25% |
| 2000 | 2 | 8% |
Other parts of the 2023 Chevrolet Trailblazer
17 complaintsElectrical system
17 complaintsEngine
17 complaintsOther or unknown
15 complaintsTransmission and drivetrain
10 complaintsAir bags
5 complaintsForward collision avoidance
4 complaintsFuel system
3 complaintsBack-over prevention (rear camera)
2 complaintsLane departure
2 complaintsSeat belts
2 complaintsSteering
2 complaints
← All problems reported for the 2023 Chevrolet Trailblazer
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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