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OnStar Module Failure
I, like apparently 1,000's of others have had my OnStar module fail. I took my purchased new, regularly dealer serviced 2023 GMC Yukon Denali in for a simple oil change and tire rotation as usual at the 45,000 mile mark. While I was returning home, I found I had no navigation, WiFi, voice activation, phone start, etc. After contacting OnStar support, they told me it seemed to be a hardware failure. The speed with which they were able to diagnose this over the phone led me to believe this was a common thing. Based on this message board, it seems so common that it's hard to believe that a recall hasn't been issued. This is blatantly bad part. I've also since learned after returning to the dealership that I'm on the hook for $800+ in repairs with no idea when the part will be available. Now, I've got a nearly $100k truck that doesn't do half of the things I paid for. This is a ridiculous issue that GM & OnStar need to correct. How can there be 1,000's of people out there with the same issue and no desire by the manufacturer to make amends or at least have the parts readily available when these things inevitably fail?Service Driver Assist System
I have a brand new 2025 GMC Sierra Denali Ultimate 6.2L. When I reached 1k miles, the service driver assist system started popping up on my dashboard. I’ve been to the dealer twice about this issue. The first visit, they informed me they couldn’t do anything because no codes were coming up on their reader. It kept happening and then said something about the front camera blocked. The second visit to the dealer, they installed a new camera and the next day the same issue continued to pop up on my dashboard about servicing driver assist system. I spent too much money on this vehicle as I’m trying to give them the opportunity to do the right thing because I’m not gonna keep paying on this vehicle and dealing with these issues. This should not be happeningOnStar Module Broke
Brought my 2023 Yukon XL with 38K miles in to fix a recall and when I got it back now my “telematic control module/OnStar module” is broken and needs to be replaced. Dealer is telling me it will cost $900 and they have no idea when the part would even be in? This is ridiculous, not only should I not have to pay for this, but it shouldn’t have broke and if it needs fixing it should be done immediately.Onstar in my brand new 2025 Chevrolet Traverse LT is not working even though the light is green.
My OnStar stopped working 6 days ago! I called OnStar support since this is the 3rd time this happens! The first time they were able to trouble shoot the second time it fixed itself. Now this is the 3rd time and the OnStar button is green. I called and they told me the signal was not being received by my vehicle. They tried for over an hour. Even had me go into settings which didn’t work. Now they say I have to go to the dealership to see if they can figure it out! They said my unit might need to be replaced but how!! It’s a brand new vehicle got it with 3 miles on it!2025 Buick Enclave - Connect to External HotSpot, will Onstar work?
I am extremely mad that my brand new car, which I specifically bought for our long drive across country no longer has functioning OnStar. I bought this car because of all the safety features for the long drive because my son is autistic, and I want him to be able to just push the SOS button and ask for help and not have to know where he is. Onstar could just find him. But now I have apparently been caught in the issue that is happening with the telemetry/onstar module failing and there is no replacements that are available. Again, I am beyond mad. It's been in the shop a week, and there is nothing they can do. At this point I am trying to look for a work around. If I get a external mobile hotspot and hook the car to it, will the On Star work via that hotspot, so if my son needs help he can get it.Bring back the weather app!
I discovered yesterday that the Weather Channel app has been discontinued. I'm not happy about this! I use this app constantly. It's really the only add on app that I use in the car. I love it when I'm driving long distances alone and I need to check the weather. It's so much safer to look at the radar quickly on the screen vs trying to pull it up on my phone while I'm driving. I live in the Midwest and the weather can change quickly, especially in the spring and summer. OnStar is about being safe in your vehicle. I can't think of any apps that they offer that are more important to safety than the weather app. Please bring it back! I will definitely pay a little extra to have the app. It's important to me and my safety! I called OnStar yesterday to let them know my concerns about this decision. I hope they decide to bring it back!WiFi Hotspot - No Internet
I have a 2025 Tahoe with a OnStar One Super Cruise Plan with Connected Plus Unlimited Data Plan. My head unit and Rear Seat Entertainment all have data. However, when you connect a phone or tablet to the in-vehicle hot spot I get no data. The connected devices complain there is no Internet on the hot spot. Any ideas? I have seen similar complaints on Reddit for these 2025 GM vehicles.2025 Blazer EV: Telematics Failure, No ETA, and No OTA Updates — What’s Going On at GM?
As an early buyer of the 2025 Chevy Blazer EV, I had high hopes. I believed in GM’s vision for the future of electric vehicles. But my ownership experience has been marred by ongoing support issues that I feel compelled to share for the benefit of other EV owners and prospective buyers. Shortly after taking delivery, I discovered that I couldn’t access Tesla’s Supercharger network—something GM advertised as a key convenience—because the required adapter wasn’t available. Even GM itself couldn’t source it for weeks. Eventually, I received one, but only after significant inconvenience and lost travel flexibility. More troubling is the issue I face today: a failed Telematics Control Module, which has disabled my OnStar system and cut off access to over-the-air (OTA) updates. That means my Blazer may not receive important software improvements or even safety-related patches unless I manually bring it into a dealership—something I was told would be handled automatically when I purchased the vehicle. There’s no ETA on the part. The dealership, sympathetic as they are, admitted that many GM parts are backordered and hard to obtain. They even encouraged me and others to reach out to GM directly—something I’ve now done repeatedly. Through it all, my Senior Executive Resolution Liaison, Amira, has been incredibly helpful. She responds promptly, remains professional, and has shown genuine concern for resolving the issue. But even she is hitting brick walls. I truly don’t know how she does her job every day without the tools she needs. Frankly, GM should be paying people like her double. I’ve tried to handle this privately and with patience, but I want to raise awareness among prospective buyers and encourage greater transparency from GM.