Forum Discussion
Onstar Module Replacement ETA?
2023 GMC Sierra 1500 Denali Carbon Pro Bought with 10,000 miles. Have had it in service multiple times. Now the onstar module is out and has been for over 3 months. Dealership said it is on backorde...
We understand the importance of having a vehicle you can rely on. Thank you for bringing this ongoing part delay to our attention. Please know, we do depend on our certified dealerships to provide all technical and diagnostic insight. If you’re having continued trouble with your Sierra, we would like to further connect with your service team and provide any available assistance that we can. Moving forward, kindly email socialmedia@gm.com with ATTN: OnStar Community/osugigi26 in the subject headline. We hope to hear from you.