Started 09/17/25: While braking, a front-end clunk or thud occurs. Directly afterwards, a cluster of warning lights appeared including Brake, ABS, Collision avoidance/forward collision, and Stabile track stability control) Brake pedal is now inconsistent and soft. Every time the brakes are activated, the thud or clunk occurs. When I start the vehicle, I get warning messages of Service Brake Assist, Service ESC on the dash that I must acknowledge. Called Hendricks Chevy Columbia SC on 9/18/25. Told to bring into dealership on 9/19/25. Dealership attempted diagnosis but could not. They bled brakes and reset all warning lights. I drove car approx. 10 miles and symptoms reoccurred, including all warning lights and thud/clunk. Called Dealership again and told to bring into on 9/22/25. It is now 9/23/25 and they have not diagnosed it yet. I was assigned a loaner car for 5 days.
2025 Chevrolet Traverse driver assistance complaints
Page 3 of 3: complaints 41 to 67 of 67, newest first, as owners wrote them.
I rear ended a car on 3/12/25, and my automatic emergency braking system light was on at the time. When my car was returned to me, I set the braking system off, so the light was still on, but when I tried to turn the system back on in June, the light came on and told me I needed to get it serviced. As it wasn't a priority to have the automatic emergency braking system, I didn't take my car into the dealership until August 18, when 3 more dashboard indicators came on. The dealership stated they would be waiting on a part for my brakes, but it is on national backorder, with no ETA. It has been in the shop for over 4 weeks (it was dropped of 8/18, but lights came on 8/10).
The dashboard lights for the Braking, ABS, Electronic Control System, and Forward Collision Detection systems have remained illuminated. The vehicle cannot be driven due to the potential of brake failure.
Master cylinder needing replaced confirmed by dealer. ABS. Traction control forward emergency braking system service lights appear on dash and the systems are disabled saying service soon. Adaptive cruise control disabled super cruise disabled.
Suddenly with just over 8300 miles on the vehicle, lights for ABS, traction control, forward collision and parking brake all came on. The brake pedal started to feel spongy on the way to the dealership. The dealership replaced the master cylinder under warranty.
Car had Service brake assist warning along with 3 or lights on dadhboard. I was told master brake cylinder needs replacing
Four weeks after purchasing the vehicle the anti-lock brakes light, traction control and forward collision lights all came on. I took it to the dealership and was told this is a known issue with the master cylinder. My car was there for 13 weeks.
On Aug 15th, 2025 I went to pick up my children from school. As I picked up my child and turned the vehicle on to go pick up my second child, the car notified me on the dash board of 4 icons. Brake, ABS, traction and collision. Service ESC and Brake assist service needed. I was very concerned when I went to drive and when I gently eased into the brakes I could hear a small noise, every time I pressed the brakes. My second childs school is about 4 minutes away. I called Chevrolet dealership where I purchased it from in February, explained everything and they said i needed to take it in to a Chevrolet dealership near me. I called the nearest Chevy dealership and they said to bring it in the same day or the next day. Saturday Aug 16th, 2025 at 8am I was at the dealership. They checked to see what codes ran up and if it was safe to drive, they pulled 4 codes and told me it wasn't safe and I needed to leave it for 10-14 days minimum. They said they could not provide me a vehicle / loaner. I had already called Chevrolet Customer service the day before to receive assistance with a temporary vehicle as the dealership had told me they had no loaner to provide. I explained to Chevrolet Customer service that I am a disabled & handicap veteran with children. I do not have a secondary vehicle and it is a necessity as i drop off and pick up my children and attend medical appointments. The employee was able to open a case for me and send it to the regional person around my area. No one has called me. Today Saturday, I dropped off my vehicle and picked up a rental according to the guidelines provided by the Chevrolet employee for reimbursement a GM vehicle under $44 a day. This is a huge inconvenience , unacceptable from a new 2025 vehicle. Ot has put me in a hardship position financially. The hassle, my Traverse has handicap plates and my rental does not. Very upset and frustrated. I need as much support and help from GM / Chevrolet to resolve this SAFETY issue for my children.
August 6, 2025 I was driving and it started to rain and there was a little rain on the road and my vehicle appeared to be hydroplaning. I had never experienced that before and it scared me to the point that I reduced my speed significantly. I arrived at my destination and was there for about three hours and when I started my 2025 Chevrolet Traverse I had 4 lights come on my dashboard along with a warning chime. The lights were the BRAKE LIGHT, ABS LIGHT, FORWARD COLLISION ASSIST LIGHT AND TRACTION CONTROL LIGHT; and a Service ESC and Service Brake Assist message popped up in separate boxes from the lights themselves. I turned off my Traverse and hoped it was some fluke thing and again the same lights came on and same messages. I drove my vehicle home cautiously and parked it. I called the dealer I purchased it from the following morning and was given a service appointment 11 days out and I stated that was unacceptable since I was not sure the vehicle was safe to drive from everything I was reading online. The service dept stated that they could place it on a machine if I stopped into the dealership and let me know if was safe to drive. My husband drove it to the dealership 25 miles away and wasn't happy with the service department and spoke to a manager and he stated they would look at my vehicle the following day and gave me a loaner. My husband advised the manager that everything I had been reading pointed to an issue with the master brake cylinder and the parts are on backorder and the manager said he hadn't heard of any issues with them. I received a call 4 days later after asking the status of my new car repeatedly and was told that it is the master brake cylinder and a couple of the parts are on backorder and they don't know when they will arrive; could be a week, two or a month. I am extremely concerned about the seriousness of this issue and the lack of parts to repair the vehicle. As I stated, there are multiple incidents on google over this same issue.
Brake master cylinder ECU failed. Illuminated warning lights for BRAKE, FRONT END COLLISION AVOIDANCE, ABS, and ELECTRONIC STABILITY CONTROL. Took the vehicle to dealership and was told about the part failure. They advised that there was no ETA on parts that are on backorder. The codes were removed and the warning lights went off, but came back on the next day. I was told that the vehicle was drivable, but they could not guarantee my safety. The dealership had no loaners so I had no choice but to drive the vehicle home.
ABS and ESC and brake lights came on. Collision beeping and warning went out. Brake pedal vey late to respond to braking. This vehicle is unsafe. It has been sitting and the Chevy dealer for 2 weeks now with no information given to me about when it will be fixed. I call the dealer every other day and they just say that Chevy will be shipping parts. This is clearly a nation wide problem with this vehicle. I’ve read numerous articles online about people with the same problem and have contacted an attorney
Master cylinder failure
We were told we had a faulty master cylinder that needed to be replaced. The ABS, forward collision braking system, rear collision breaking system, and emergency brake were all at risk, which puts a significant risk to the passengers in the vehicle, including children. The problem was confirmed by the dealership with no information about timing of replacement since there is a national shortage of this part. Warning messages included ABS, BRAKE, forward collision, rear collision- lights came on several times. They appeared suddenly after turning on the car without incident. We tried turning off the car and letting it sit for long periods of time without resolution. The dealership initially flushed the brake line without resolution.
Parked the vehicle a Saturday evening went to get into it Sunday morning and the dash was lit up with abs light, service ESC, traction control, check engine light. Called the dealership I bought it from to tell them what was going on, brought it in on a Monday evening to be looked at Thursday. Was called to be informed the master cylinder went bad. Was told by the service manger part would be in to be fixed Wednesday. Wednesday came and gone with no call, finally got a call Thursday evening that the part did not arrive and NOW they have no ETA on the part.
While driving the automatic brake assist failure light came on. I was unable to stop at a very busy intersection and was forced into traffic even though I had a red light. The parking brake, engine light, and light came on.
Warning codes - Service Brake Assist, Service Electronic Stability Control (ESC), Forward Collision system unavailable. Brake pedal felt different with an associated clunk noise. Brake Fluid believed to have been leaking in garage. Dealer diagnosis as Master Brake Cylinder failure. No parts available/no ETA available. Car is 5 months old and under 5,000 miles on the odometer.
I started my Traverse and the brake light, forward collision alert, brake assist, stability control lights came on. The warning messages to service ESC, and service brake assist also came on. I have 2182 miles on my vehicle. No warning of anything wrong before this happened. It is available for inspection. It was towed to the closest dealership who determined the master cylinder needed replacing. I did not drive it due to warnings the brake systems were not functioning properly. Could have caused a wreck if they did not work. It has since been towed to the dealership it was purchased at awaiting their diagnosis. The first dealership said the master cylinder is on backorder with no ETA.
Our 2025 Chevrolet Traverse experienced a brake system failure on July 17th. We took the vehicle into the shop with the following errors on the screen: Service brake assist Service ESC Forward collision system unavailable My wife and children were in the car when the incident occurred. We have a 20 minute drive, through traffic, to the nearest dealership. At any point, the brakes could have completely failed. The problem is active as the car still remains at the dealership, Alan Jay Chevrolet of Wauchula. The vehicle has not been inspected by the manufacturer, but by the qualified service staff at the dealership.
Master Cylinder failure after less than 3 months of ownership and only 3,891 Miles. Multiple warnings lights related to brakes appeared when the car was started. GM already had a TSB for the 2024 Traverse but has not come out to say 2025 models are impacted yet. Multiple reports of people that do have the issue are waiting weeks for a replacement part because GM is not able to source them. Seems that there is a known issue but GM is just waiting for something to happen due to the lack of parts. Given it's the brakes could result is serious injury due to GMs negligence.
Car with only 3900 miles brand new after 3 months the braking system, collision system, parking assist, ABS and brake lights appeared on dashboard, at the dealer since 07/14/2025, I was suggested not to drive the car. Same day called GM customer service and opened a case, the dealer gives me a rental car to use until the repair is finished. At the end of the same week I called again GM customer service asking about news and the parts was back ordered, they told me to wait 5 business days for a possible repurchase or for any updates for parts. Today 07/31/2025 I called again GM and they said that the parts were shipped but they didn’t had the tracking number, I called my dealer and the parts are in back order without eta.
As I was driving my 2025 Traverse Z71, at 2180 miles, different lights popped up on the dashboard. I was backing out of my garage when it happened. Lights were ABS, BRAKE, Electronic Stability Control, and pre-collision warning light. Also notifications for Service Brake Assist and Service ESC also came on. The dealer had me drive it to their shop 25 miles away. After inspection, the Chevrolet service department said it was unsafe to drive my Traverse. The part they needed to replace was the Master Cylinder/Brake System Control Module. Unfortunately the part was on backorder and they did not have a loaner I could borrow. I turned in my vehicle Wednesday, June 25, 2025. I got my Traverse back Thursday, July 24, 2025. It was very close to 30 days and I would have followed guidelines for lemon law in state of WI. When I picked up the vehicle, there were several other Traverses waiting on the same part. As of now July, 30th, vehicle is in working order.
After 4k miles, master brake cylinder failed, with no replacement . Expecting 4-6 week delayh
Began driving warning lights for brakes, abs, traction control, and forward collision on. Brakes then locked up. Pulled over and full lost brake compression. Could have caused an accident if on the highway. Waiting on tow truck to take to the dealership for repair.
Purchased new 25 Traverse. Driving from AR to OK, stopped at a store, parked car. Upon returning to car, start ignition and red "BRAKE" light illuminated as well as ABS, Traction control and forward collision icons all lit. "Service brake assist, service esc, rear auto brake and park assist unavailable" warnings all show on the dash. Vehicle had 2747 miles at time this occurred. Systems check on dash showed all tires not registering on the vehicle and the vehicle icon illuminated orange. Vehicle needed to "relearn sensors." Vehicle has several clicking noises in the dash after shutting off. Vehicle brake pedal clicks when depressed at low speeds (as in driving in a parking lot) These noises and issues were not occurring prior to this vehicle stopping at the 2747 miles. Vehicle is unsafe to drive as this is the main stopping system, we were 300 plus miles from home when this happened.
On 6/18/25 vehicle started displaying "Service braking system" and "service electronic stability control" warnings along with warning chimes and various malfunction indicator lights. Malfunction Indicator Lights included service brakes, ABS, and ESC. Vehicle taken to dealer service department on 6/18. Service department has replaced the battery and brake assist module, but the problem persists. GM says to replace the brake master cylinder, but no parts are available. Dealer has impounded the car as a safety concern and has provided a loaner vehicle. Because this involves the service brakes it is a safety concern.
Had lights on my dashboard when I turned it on the morning of 6/1/25. Brake light, traction, ABS, and forward collision. Cruise control also stopped working. Brake module needs to be replaced.
Rear cross traffic alert system not working. No alerts when backing up and oncoming traffic
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