2023 CHEVROLET TRAILBLAZER Engine Problems

11 complaints about Engine

11
Complaints
1
Crashes
0
Fires
0
Deaths

High Severity Issue

This component has been associated with crashes, fires, or deaths.

This Problem Across All Years

All Engine Complaints (11)

Dec 16, 2025

Exhaust fell off under normal operating conditions. Dealership (Dekalb Sycamore Chevrolet- Sycamore Illinois) stated this has been a common issue with this year group of Chevrolet Trailblazer SUVs. Dealership stated the bolts/exhaust pipe junction between the catalytic converter and pipe that goes to the muffler rusts through and the entire exhaust system from the cat back falls out of the undercarriage of the vehicle, which is what happened here.

Sep 5, 2025

Coolant Vavle malfunction Engine could overheat Yes Manufacturer No warning lights..check engine light came and I had the car diagnosed

Aug 27, 2025

at around 42,000 miles my Trailblazer displayed a message that engine power had been reduced and the check engine light came on. I took it to my dealer who diagnosed as a problem with the engine turbo fixed it and returned the car to me. I drove for 2 weeks and the same thing happened. I traded it in on an Equinox after the service manager said the turbo was a know issued. I did not want to be driving on the interstate with reduced power. Also I took a financial hit on the trade.

Jun 25, 2025

The turbo went out on the car for absolutely no reason. Message popped up on dash board saying "Engine power reduced". I have seen this happen to many many many other card across the country. It does not many how many miles are on the car. some Ive seen 25k and some ive seen at 60k. Shouldn't Chevy be recalling and fixing the part? Seems unfair to me as a consumer. Who has thousands of dollars to get that repaired?

May 6, 2025

The contact owns a 2023 Chevrolet Trailblazer. The contact stated that while driving at undisclosed speeds, the vehicle independently activated the brakes while the accelerator pedal was depressed. In addition, the contact stated that while attempting to make a left turn, the steering wheel independently veered towards the right. The check engine warning light was illuminated. The vehicle was towed to a local dealer where it was diagnosed, and the brake master cylinder assembly was replaced. The vehicle was repaired; however, the failure reoccurred. The vehicle was taken back to the same local dealer and was left for further investigation. The manufacturer was not made aware of the failure. The failure mileage was approximately 25,000.

Mileage: 25,000

Apr 30, 2025

The ABS system in this vehicle flashes warnings at quick restarts and while holding the brake down, it has no “sponge” when this happens. The brakes squeal constantly. I’ve had them inspected at every single maintenance and there can be no flaw found. When driving on the interstate, the engine is very “jerky” almost like the transmission can’t keep up with the speed of 70-80mph (not always, but it is noticeable when it happens). At first I didn’t think much of it but with the mass recall of chevys identified, I believe it needs to go on record - particularly about the brakes.

Apr 30, 2025

Engine failure. “Low engine power” mechanic read code as turbo failure.

Jan 13, 2025

The contact owns a 2023 Chevrolet Trailblazer. The contact stated while the vehicle was parked, there was an abnormal sound coming from the engine compartment. No warning light was illuminated. The vehicle was taken to an independent mechanic where it was diagnosed that there was debris from the engine in the oil pan, and that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 66,000.

Mileage: 66,000

Sep 19, 2024

The contact owns a 2023 Chevrolet Trailblazer. The contact stated that while driving 65 MPH, the “Engine Power Reduced" message was displayed, and the vehicle was unable to accelerate above 30 MPH. No warning lights were illuminated. The vehicle returned to normal functionality, but the failure became a regular occurrence. The vehicle was taken to the dealer, who diagnosed a failure with the turbo charger. The vehicle was repaired, but the failure reoccurred. The vehicle was taken back to the dealer, who diagnosed a failure with the turbo charger. The vehicle was repaired, but the failure reoccurred. The vehicle was taken to the dealer a third time, and again was diagnosed with turbo charger failure. The vehicle was not repaired. The manufacturer was notified of the failure but provided no assistance. The failure mileage was 23,000.

Mileage: 23,000

Mar 6, 2024 Crash

While driving 65-70 MPH cruise control will continuously "bog" down and act like it is wanting to cut off the whole vehicle. transmission is starting to act like it is slipping to the point where I am going all the way to the steering wheel before it catches again. Vehicle is under 36,000 miles and should not be having transmission issues. Radio has been replaced once before but is now doing the same thing where it is not recognizing my phone, directions given to it by touch on screen, and will even completely turn off while in the middle of driving. Will freeze and then act like the screen has 'water' damage. back up camera is not calibrated correctly. It states that I have more than enough room to make a turn but when looking into my mirrors, it is off by almost a foot and a half. I was in a car accident due to the back up camera malfunction with the difference in distance and with the screen malfunctioning. I have had the vehicle inspected by the chevy dealership multiple times and they have stated that there is nothing coming up on the code reader. The vehicle is available for inspection. My children ride in this vehicle and after the accident, I do not deem it quite safe with the malfunctioning parts. There has not been any lights coming on for the issues but the issues are there.

Dec 9, 2023

1-Cracked Coil caused breakdown and gas flooded engine on a road trip 109mi from home, stranded, no accommodations for replacement vehicle during service-May 12-19, 2023 2-Faulty Purge Solenoid Valve-December 4, 2023, serviced and repaired December 7, 2023 3-Engine light same code for evap leak that was repaired, waiting on contact for repair December 9,2023. The first issue caused major safety concerns for myself and my partner, stranded on the side of the highway over 100 miles from home. No police or insurance reports. This will be the 3rd time the vehicle will be serviced for engine repair in the 7 months that it's been driven.