Forum Discussion
OnStar Module Failure
I, like apparently 1,000's of others have had my OnStar module fail. I took my purchased new, regularly dealer serviced 2023 GMC Yukon Denali in for a simple oil change and tire rotation as usual at...
I have a 2022 Tahoe that is on it's third OnStar module and may be headed for the fourth.
The battery drain reminds me of a TSB I saw on my AllData subscription. For the 2022 Tahoe the battery drain came from an OTA updates. Resolution was to reprogram the Serial Data Gateway Module.
I honestly think dealers don't do any diagnostic troubleshooting anymore, they just pull codes and go from there. They don't actually think the process through and truly troubleshoot the issues.
WOW! You are absolutely right and I am sorry you are dealing with this as well. Very frustrating!