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.
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