IllustrationCheck engine light came on steady (not flashing) took to local repair shop and was informed it was a Thermo Control Valve. My car currently has approximately 66k miles on it.
2024 Chevrolet Trailblazer
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Trailblazer years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 4 of 32 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine. Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
3 crash reports0 fire reports0 injury reports
Unknown Or Other complaints
5 reportsI received a email from carfax stateing the truck had diagnostic testing and is the transmission in the engine system. It’ll start up but you cannot drive it. It shows that are passed the state inspection on June 27/2025 stating that the truck passed the inspection how the truck went past inspection and it’s not driveable and I …
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I received a email from carfax stateing the truck had diagnostic testing and is the transmission in the engine system. It’ll start up but you cannot drive it. It shows that are passed the state inspection on June 27/2025 stating that the truck passed the inspection how the truck went past inspection and it’s not driveable and I don’t have it. There’s no way that’s fraud you gonna say that the truck pass inspection when you can’t drive it normally when you go get a state inspection and once they do it and it pass they give you the keys and put the sticker on it. In this case the truck is still at the dealer and it’s not driveable. You can’t drive it. It’ll start up. They change the oil rotated to tires but it’s not driveable. You can’t drive it.
The dash and radio have gone out while driving several times now. Was driving out of state on vacation and it has gone out on us over 9 times. We will be driving and the dash goes black. You can’t see your speed, gas or radio.
Traded in a good 2018 Chevy Cruze for a trailblazer that just keep cutting off and wouldn’t start back contacted dealer 9,989 miles 11 months old it would cut off it said the theft determine system needs service then one day it just wouldn’t start at all it would cut off while driving I had it towed to dealer I had been telling …
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Traded in a good 2018 Chevy Cruze for a trailblazer that just keep cutting off and wouldn’t start back contacted dealer 9,989 miles 11 months old it would cut off it said the theft determine system needs service then one day it just wouldn’t start at all it would cut off while driving I had it towed to dealer I had been telling the dealer fruitless and for 4 months fruitless I traded a good Chevy they gave 9,500 and I put towards the trail blazer 9 ,989 miles I am [XXX] and half rude company every time the vehicle will cut off it will state that the theft determine system needs to be serviced. It’s a software. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
The audio in the vehicle goes out the radio and the warning sounds for all the safety alerts. The vehicle has been to the dealer 3 times the problem still is occurring. The problem is random no telling when it will occur. I have called GM customer service they were useless. When the audio for the vehicle goes out when I turn off…
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The audio in the vehicle goes out the radio and the warning sounds for all the safety alerts. The vehicle has been to the dealer 3 times the problem still is occurring. The problem is random no telling when it will occur. I have called GM customer service they were useless. When the audio for the vehicle goes out when I turn off the vehicle if it sits most of the time the audio will come back on. Today 8/18/2024 the audio went out twice no sounds for anything blinkers, lane assist, side mirror alert, stop alert nothing. This also affects the radio. The service department tells me they are dependent on the GM IT guys who in my assessment have no idea how to fix this. This is a safety and hazard problem with all sound going out for all alert systems.
Official recalls
126V539000 · Back Over Prevention: Sensing System: Camera
Aug 20, 2026
General Motors, LLC is recalling certain 2024-2025 Buick Envista, 2024-2026 Buick Encore GX, Chevrolet Trailblazer, and 2025 Chevrolet Trax vehicles. The rearview camera screen may display a distorted or blank image.
Consequence & remedy
Consequence: A rearview image that does not display correctly reduces the driver's view behind the vehicle, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the rearview camera, if necessary, free of charge. Owner notification letters are expected to be mailed beginning September 16, 2026. Owners may contact Chevrolet customer service at 1-800-222-1020 or Buick customer service at 1-800-521-7300. GM's number for this recall is A262554900. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on August 20, 2026.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.