Forum Discussion
Onstar Module failed 200miles into ownership
We just bought a brand new, 2025 GMC Yukon Denali Ultimate and this morning, a few hundred miles into ownership, the module failed. What a terrible experience. Six figure vehicle and we cannot use se...
This is not the ownership experience that we strive to provide. Thank you kindly for sharing these details with our team regarding your OnStar module. We understand this situation is far from ideal, and we would like to assist to the best of our abilities alongside your certified GMC dealership. Kindly email socialmedia@gm.com with OnStar Community/DB1989 in the subject headline. We hope to hear from you soon.