Fault diagnosis, fault symptoms
📄 Telephone not working properly. No diagnostic trouble codes stored.
📄 Voice activation, poor function
📄 OnStar keypad, one or more buttons do not work.
📄 LED on keypad, defective function
📄 Cannot contact OnStar Call Center (OCC)
This project is supported by memberships and donations. If you use this site, please consider Joining SCNA and/or making a donation.
Our Friends
