2022 Chevrolet Trailblazer

The park switch inside the transmission control assemblies shifter control assembly fail to detect when shifting gear into park

Unknown. This was a certified preowned vehicle that was purchased on December 18, 2024. We have had NUMEROUS issues with the car since purchase but the most concerning has been the door actuators. The front door actuators on both sides failed in less than a year from date of purchase. I was told by the dealership where it was repaired that this was a common problem and to expect the rear ones to not be far behind. 4 months later, the rear ones are now not working. This creates a safety hazard, especially since this is the primary vehicle that my teenager drives with his younger brother. A malfunctioning door lock actuator can create dangerous situations, including the possibility that a door may fail to unlock or open, potentially trapping passengers in the vehicle during an emergency or out of the vehicle when my underage children are by themselves. Conversely, the door may appear to be locked when the mechanism has not actually engaged, leaving the vehicle vulnerable to unauthorized access. Faulty actuators may also cause erratic locking or unlocking behavior while the vehicle is in motion, which can create a safety distraction for the driver as well as a security risk. There were no warnings that this was an issue. My son thought the doors were locking (and unlocking). I am aware GM is already "tacking" this issue as I could find stats on how many people have reported, so it is enough that they are taking notice.

The exhaust system and muffler fell off the bottom of my vehicle. The bolts holding the exhaust together failed and broke which led to this. This is a common failure with the newer trailblazer that GM is failing to acknowledge. There have been multiple reports of this. I had my vehicle inspected by Webb Chevy in oak Lawn IL and all the mechanic could say is “they don’t make them like they used to” which means they know this problem exists. This 100% put me at risk as I could’ve crashed with my daughter in the car when the muffler disconnected causing it to scrape and lose power. This was extremely dangerous and should’ve been a recall. There was no warning lights or anything. My vehicle just ran into issues mid traffic and this was extremely scary. There’s multiple online forums of people with this same issue: [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Purge pump failure at 33442 miles, should be included in customer satisfaction program #N242484740. Dealership denied it.

Vehicle experiences intermittent loss of acceleration at highway speeds. While driving at highway speed or going uphill, up ramp, down hill, down ramp the engine loses power and enters reduce power mode, making it difficult or impossible to maintain speed or safely merge with traffic. The issue is unpredictable and has occurred despite prior repair attempts. Vehicle is covered under a GM special turbo warranty for a known defect. Warranty came out Oct 2022, Due to the loss of power the vehicle is unsafe to operate and is currently at the dealer.

Shift to park message when car is in park - cannot turn off vehicle until message goes away. Car can roll if message is not off. Brakes: intense squeaking

When parking and trying to shutoff vehicle a warning stating that the car needs to be shifted into park needs to be performed even though it is already properly in the parked position. The car cannot be shutoff and remains running until several actions of shifting the car in and out of the park position.

The vehicle intermittently warns about a Power Steering issue with no other indications to the problem. There are no physical issues detected while driving. The error displays at random times and will reset intermittently. This started occurring at the same time the car constantly indicates that it is not in park when trying to shutoff the vehicle even though it is clearly shifted into park.

The cruise control system intermittently fails to engage indicating an error with the system. After several random occasions it was finally determined that the issue is related to the brake pedal sensor not determining that the brake pedal has been fully released. It requires having to manually pull the brake pedal up to properly set the sensor to allow the cruise control system to engage. This does not present any clear danger in itself, however, after having the vehicle inspected the manufacturer service center states that the entire pedal assembly has to be replaced because of worn parts and that the pedal may continue to get worse. While the mileage has taken the vehicle out of warranty that covers this issue the car is primarily driven on the interstate with minimal wear and tear on the pedal assembly.

The contact owns a 2022 Chevrolet Trailblazer. The contact stated that while driving 70 MPH on an open highway with the adaptive cruise control engaged, the system sensed an unknown object and slammed on the brakes. The adaptive cruise control was turned off. The local dealer was contacted. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 35,500.

“Shift to Park” message came on the dashboard. Car would not change gear or go into reverse or drive. Basically stuck in Park position. Car kept peeping sound nonstop for over 20 minutes. And it drained the battery. Car would not drive. Had to have it towed to the dealership I brought it from 45 miles away. I had to pay $656.72 at dealership to get it fixed. The dealership removed and replaces the shifter assembly which cost $656.72.

The three bolts at the flange attaching the muffler to the upper muffler sheared off due to rust and the whole rear muffler fell off when driving the car on an interstate. Car is 3 years old and at the time had 65,000 miles. The bolts used are of poor quality, and to make matters worse, there is no exhaust hanger near this flange so the muffler is supported at the front by just this flange. Poorly designed by GM.