Engine And Engine Cooling Related Problems of the 2021 Chevrolet Trailblazer

Table 1 shows four common engine and engine cooling related problems of the 2021 Chevrolet Trailblazer. The number one most common problem is related to the engine and engine cooling (31 problems). The second most common problem is related to the car stall (one problem).

Table 1. Engine And Engine Cooling related problems of Chevrolet Trailblazer


Recently reported Engine And Engine Cooling problems of the 2021 Chevrolet Trailblazer

The Engine And Engine Cooling problem

While driving down the interstate my 2021 chevy Trailblazer suddenly flashed "battery saver mode" on the dash and shut off completely. I was able to coast to the side of the road and call for help.   Read details...

The Car Stall problem

Vehicle was taken to dealership Feb 2026 for turbo/wastegate repair (p0299). March 22, 2026, vehicle stalled and screen said to shift to neutral and push to start again. Car would crank but not start (sounds like there is no compression).   Read details...

The Engine Belts And Pulleys problem

Tl- the contact owns a 2021 Chevrolet Trailblazer. The contact stated that upon attempting to park her vehicle at 5 mph, the vehicle independently accelerated forward without warning, jumped the parking median and crashed into a building. The air bags did deploy upon impact.   Read details...


Engine And Engine Cooling related problems in other Chevrolet Trailblazer model year vehicles:



Trailblazer Service Bulletins
Trailblazer Safety Recalls
Trailblazer Defect Investigations