Table 1 shows three common service brakes related problems of the 2021 Chevrolet Trailblazer. The number one most common problem is related to the service brakes (28 problems). The second most common problem is related to the brake popping noise (one problem).
| Problem Category | Number of Problems |
|---|---|
| Service Brakes problems | |
| Brake Popping Noise problems | |
| Brakes Failed problems |
While driving on Thursday, June 4, 2026, the vehicle experienced a sudden and complete failure of the electronic braking/power brake assist system. Simultaneously, multiple safety warnings illuminated on the dashboard display, including a persistent service wrench icon, a traction control warning Read details...
When parking or about to move and you put foot on brake and get into a gear a loud audible popping noise comes through the stereo system. It is very loud and not based on how low or high the volume of the stereo is set. There is a thread on Trailblazertalk. Com about it now Read details...
I was driving my brand new 2021 Trailblazer (only 160 miles) and stepped on the brake to stop at the end of a street. Suddenly, I got alerts that my brake system had failed and right after that, another one, saying that the power steering needed to be serviced. Read details...