MyChevrolet app vehicle diagnostics not working

Question

The vehicle diagnostics stopped working after three months on my new 2025 Silverado. I have OnStar Basic and Connected Access plans good through Oct 2032. The connected access provides “standard connectivity for your vehicle – including Vehicle Diagnostics and Dealer Maintenance Notifications”. I received monthly vehicle diagnostics reports in November, December, and January. No email was received in February.

The last update date reported in the app for the vehicle diagnostics is 1/26/2025, precisely one day before my three month trial of Safety and Security ended. So far, the app vehicle controls are working fine.

I deleted and reinstalled the mobile app. I also logged out and logged back into the MyChevrolet app in the infotainment system just in case. I have started and driven the vehicle multiple times since Jan 26.

advisor_jack · Answer

We regret to hear that you've been experiencing these difficulties with getting the most accurate and up-to-date vehicle status information and diagnostics for your 2025 Chevrolet Silverado. OnStar wants a better experience for our loyal members. Our team would like to learn more about this concern and see how we can best assist with its resolution. We appreciate you providing us with such detail and the steps that you've taken on your own to address this. When you have a moment, please send us an email with these details to socialmedia@gm.com with, "ATTN:OS Community/mmw916," in the subject line for our continued support with this matter. We hope to hear from you again soon.&nbsp;