2025 Chevrolet Traverse problems

“I had multiple break warming lights pop up on the dash. A few minutes after that my brakes completely went out. I receive a message that said “brake assist failure, press break hard, speed limited”. The pedal went completely soft and pushed all the way to the ground with the car still rolling until finally coming to a complete stop. Turned off the car once stopped and the breaks reengaged for a couple minutes then failing again. I almost had a car accident.”

“While I was pulling into an intersection, my brakes and break system failed. The brake pedal went straight to the floor without any resistance. I had no ability to put on an emergency break. I was able to navigate into a parking lot where i still could not get my vehicle to come to a complete stop but I was able to put it into park. The warning on my car read "Break assist failure. Press hard to break. Speed limited." I was already driving in traffic while I received this warning.”

“Vehicle: 2025 Chevrolet Traverse LT FWD VIN: [XXX] Purchase Date: XXX Incident Date: XXX Mileage: 35,975 INCIDENT DESCRIPTION: On Fr XXX, just seven days after purchasing this vehicle from Enterprise Car Sales, I started my 2025 Chevrolet Traverse and was immediately presented with multiple serious braking and vehicle safety-system warnings. The primary warning stated: "BRAKE ASSIST FAILURE. PRESS HARD TO BRAKE. SPEED LIMITED." Additional warnings included: - Service ESC (Electronic Stability Control) - ABS warning light illuminated - Traction/stability control warning - Forward Collision System Unavailable - Red BRAKE warning illuminated - Check Engine light illuminated These warnings appeared during the same startup event while the vehicle was stationary. SAFETY CONCERNS: I am extremely concerned that a vehicle with fewer than 36,000 miles is reporting a potential failure of its power-assisted braking system, along with simultaneous malfunctions involving ABS, stability control, and forward collision protection. The dashboard specifically instructed me to press harder to brake and indicated that vehicle speed was limited. This raises serious concerns about…”

“The contact owns a 2025 Chevrolet Traverse. The contact stated that while driving, approaching a traffic light, the Electronic Stability Control (ESC), rear collision warning, service assist, front collision warning, check engine light, and multiple brake warning lights illuminated. The emergency brake failed to function. The vehicle was towed to a local dealer, where the master cylinder failure was diagnosed, and the part was replaced. However, while driving after the repair, a complete brake failure occurred alongside the same warning lights. The contact lost control of the vehicle and traversed two intersections. The contact attempted multiple times to stop the vehicle, and the contact's daughter exited the moving vehicle before the contact stopped the engine by depressing the ignition button. The police were contacted, and a CAD report was generated. The vehicle was towed back to the dealer, where a second master cylinder failure was diagnosed and repaired under warranty. The failure mileage was approximately 19,357.”

“Sudden slamming on the brake automatically when in reverse and there is nothing around the car to cause this. Has happened many times The car will alert that something is too close when turning right by there is nothing there. It is intermittent. When you start the car it the motor reves up very high and will stay there until you push the gas and then it quiets down. This is usually the first start of the day. High and rough idle Super hard intermittent transmission shift or down shifting while normal driving. It jerks really hard and sometime it’s so hard it throws you forward like the brake is being applied. Symbol intermittently shows up on dash. Then goes away after the car has been turned off and restarted. Brakes squeal bad. Acceleration reduction message then check engine light came on 8/30. Roaring loud noise before the light came on. Put 1 gallon coolant in it and light went off. Now runs and idles high.”

“The shark fin antenna cover became loose. The antenna then fell off at some point while driving. This coming off while driving poses a risk to others on the road as it may have fallen off and hit someone else. The only “warning” it gave was stating the emergency call system failure. When googling I found out what the problem may be from. After looking further there are multiple Chevy traverse owners with the same issue after going through a car wash.”