2021 Chevrolet Trax Engine Problems

“The vehicle has 2 permanent codes. One is a communication blackout, the other code means the hardware is melting. GM is doing a formal inspection in April. The Ucode meant that the engine stopped talking to the transmission or visa versa. The vehicle “ran my daughter and I” off the highway into the dirt, on 2 different occasions. They are described as “catastrophic engine failures”. The last one occurred on MLK Jr Day 2026, before the vehicle was permanently grounded. It could have been fatal. …”

“1/23/25 This is the 3rd time the turbocharger has malfunction within 2 1/2 months and is once again at the dealership service department. Horrible smoke was filling the inside of the car while I was driving and smelled as though something was badly burning. The car had began shaking with minimal driving and loss of power. Electric dashboard not working which should indicate if there is any particular problems going on with my Trax. This is a real Safety Hazard. My car should be recalled in order to fix this hazardous problem once and for all!”

“The Turbo Charger failed suddenly without a prior display of a warning light and was replaced by an independent service center in June 2025. I received a letter from GM in November 2025 stating there was a known condition that may cause the Turbo Charger to need replacing but a recall was not issued. On 1/22/26 the vehicle suddenly went into Limp Mode while driving. The Throttle Body Injection Unit, Engine Coolant Water Outlet, and Coolant were replaced. The coolant had been topped off on 1/20/26. On 1/27/26 the vehicle began shuddering and lost power while I was driving on the highway. …”

“On 11/25/24 while my daughter was driving my 2021 Trax all of a sudden the engine light came on and my car lost power while lots of smoke began coming out of the exhaust pipe the car started to shake she thankfully made it to the Dealership service department where the codes showed a FUEL TRIM PROBLEM once that problem was serviced my daughter picked the car up drove my car home and the very next day my Trax engine light came on again and once again it Lost Power my daughter went back to the Dealership service department where the codes showed aTurbocharger problem. …”

“The contact owns a 2021 Chevrolet Trax. The contact stated that while driving 70 MPH, while the roads were clear, dry, and the weather was good, the engine seized, and the vehicle lost motive power and decelerated to 55 MPH. The contact pulled over to the side of the road, and the brake pedal was depressed; however, the vehicle failed to respond and continued driving forward. While driving at 50 MPH, the failure reoccurred. The engine and stabili-trak illuminated after the vehicle came to a complete stop. The local dealer was contacted regarding loaner vehicles on two occasions. …”