Forum Discussion
Onstar Module Needs Replaced
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?
I have a 2023 Sierra 1500 with the Duramax. I have encountered the same issue. Came out to my truck one morning to find it DEAD. Was finally able to jump start it, but had to leave the cables connected for about 20 minutes.
When I took it to the local O'Reilly Auto Parts, I borrowed their scan tool and got a Diagnostic Trouble Code (DTC) of P262B - Control Module Power Off Timer Performance.
My truck is currently at the dealership to have the OnStar Telematics Module replaced (after waiting 7 months) and this is supposed to be addressed as well. I know there was an update that was supposed to address this, but it cannot be installed without a functional Telematics Module.
