service emergency calling

jordang · 2025-10-09T12:03:53-0500

when i am driving sometimes a warning pops up that says “service emergency calling” any ideas what this is? it only happens sometimes and i normally just dismiss it.

Timc166293 · 2025-10-10T10:16:44-0500

Had same issue.

Related to onstar. You will see red led go on by onstar buttons when u see this error

U can call and get an email for the error codes from onstar.

My fix was tcu replacement under warranty

Good luck.