Forum Discussion
Telematic Control Module needs replacement, but backordered with no ETA?! UNACCEPTABLE
My 2024 Equinox EV 2RS (Purchased brand new in November '24, only 1,568 miles on to-date) is now in the dealership for the third time due to what was thought to be a 12v battery problem. Turns out, i...
Hi I have the same problems with my BLAZER EV 2025 just after I cancelled my subscription plan for on Star one, the next morning after OnStar update no more Google connections a bunch of stuff on my dashboard appears like high voltage problem detected please find a dealer
We are saddened to hear you have similar impacts to your OnStar module and would like to better understand how to best proceed for the high voltage concerns detected, Richard. If your Blazer EV is currently in service, allow us to gauge how we may be of support alongside your dealership. Send us a private message to OnStar_Support so we can look into this further. Just select the envelope icon at the top right of your screen to get started.