2025 Chevrolet Trax Powertrain & Transmission Problems

Since brand new the electronics have been defective. The lane keep assist has to be turned off during slippery road conditions because the computer jerks the steering wheel during normal driving where white road markings, such as merging lanes are present. During highway speeds on slippery snow or ice it nearly sends the vehicle into a dangerous maneuver. The backup camera was defective intermittently since it was new and was unable to be corrected by the dealer shop during its first new vehicle service. The rear camera has now gone completely out which is standard safety equipment. A dealership has ordered a new backup camera part. The transmission jerks and lurches. Odd shifting is normal for this vehicle which could lead to transmission failures which could lead to a collision.

The first problem began at approximately 5,000 miles. After refueling, the vehicle’s transmission would slip severely. The slipping continued to occur intermittently after that point. I brought the vehicle to a dealership Initially, I was told that nothing was wrong with the vehicle. After further testing, the dealership identified a transmission issue related to Technical Service Bulletin 25-NA-211 and stated that the repair was completed. At approximately 8,000 miles, an additional issue occurred where the check engine light illuminated and a warning appeared indicating that the brakes had stopped working. This was extremely concerning and created a serious safety risk. Following the transmission repair, a new and more dangerous issue developed. The vehicle now fails to accelerate properly from a complete stop. When attempting to accelerate, it becomes stuck at approximately 1 mph for around 45 seconds before finally moving. This happens intermittently and creates a high risk of collision when entering traffic or crossing intersections. These issues—transmission slipping, brake warning alerts, and failure to accelerate—pose a serious safety hazard to myself and others on the road. The vehicle has been taken in for service, but the problems have not been fully resolved. I am requesting that this issue be investigated as a potential defect affecting this vehicle.

The contact owns a 2025 Chevrolet Trax. The contact stated that while driving at an undisclosed speed, the transmission warning light illuminated. The dealer was made aware of the failure; however, the vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 139.

The contact owns a 2025 Chevrolet Trax. The contact stated while driving from a complete stop and while coming to a stop, the vehicle was jerking and the transmission experienced hard shifts. There was no warning light illuminated. The vehicle was taken to the dealer to be diagnosed, but the cause of the failure could not be determined. The dealer performed a required ECM software update; however, the failure recurred. The manufacturer was not notified of the failure. The failure mileage was approximately 5,000.

I am reporting a safety incident that occurred on [XXX] with my new GM vehicle, a 2025 Chevy Trax with roughly 3000 odometer miles. I was returning to Troy MI from Ann Arbor MI on [XXX] a roughly 50 mile drive, a driver with one passenger. The weather was good, no ice or debris on the roads. We exited the highway and proceeded north through several stoplights. Just before making a right turn into a destination, the vehicle seemed to slam to stop multiple times, causing loss of vehicle control. The abrupt behavior knocked the steering wheel out of driver hands and lurched us forward against the seatbelts. I parked and powered down, giving it a chance to reset. Then continuing to drive a short distance, the vehicle repeatedly abruptly halted at speeds over 30mph as if hitting a wall. There were no warning lights or alerts displayed on the instrument panel, and the vehicle had never behaved abnormally in any way prior to this incident. On Monday morning [XXX] the dealership immediately verified the condition, though offering no speculation to the cause. The service manager reported that upon test drive, the service tech said "he would have gone through the windshield if not belted in.” My passenger and I have between the two of us [XXX] years of experience working in automotive, for GM and suppliers, in production capacities, and for years driving dozens of leased vehicles and GM company cars. Neither of us have ever experienced a vehicle doing anything as dangerous as this brand new Trax did. Had the failure occurred during the highway portion of our drive that day - multiple congested highways [XXX] - we are certain we could have been killed and would have been a lethal danger to the drivers around us. An abrupt halt at high speed would have caused the car to roll and/or spin out of control. At the time of this report, the car is with the dealership with no root cause or repair estimation. We believe this is a transmission issue. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)