Forum Discussion
Onstar Module Needs Replaced
I have a 2023 GMC Sierra 1500 Denali that I had to take in for a dealer for them to tell me the OnStar Module needed replaced. My vehicle is over the 36,000 miles so they quoted me close to $750 to f...
That does make sense! Mine started working on my 2022 Blazer, but our truck has something draining the battery 2023 $80000 vehicle! New battery, checked 5 times now, towed in, wouldn't even jump. What the heck is wrong with these trucks?
After having my telematics module replaced yesterday and talking with the service department, these vehicles do not "jump start" like older vehicles. You have to leave the jumper cables attached for awhile and let the battery build up a charge.
The first time my 2023 Sierra Denali was dead (the one with the bad telematics module), it took 20 min of having the cables connected to my 2024 Sierra AT4X before the Denali would start.