mecjp
19th August, 2020, 11:43 AM
Hi, someone have experiment OnStar disabled permanent on 2020 Gmc Sierra diesel 6.6L.
I think we need to open communication interface module but before I just want some advice if someone have try!
I have seen on later model this video
https://youtu.be/TlM81swpjf4
Customer receive email from OnStar for advanced diagnostic, check pictures attach [emoji420]https://uploads.tapatalk-cdn.com/20200819/0a7340141f57a9bd77f09cb0bb6ed21f.jpg
I think we need to open communication interface module but before I just want some advice if someone have try!
I have seen on later model this video
https://youtu.be/TlM81swpjf4
Customer receive email from OnStar for advanced diagnostic, check pictures attach [emoji420]https://uploads.tapatalk-cdn.com/20200819/0a7340141f57a9bd77f09cb0bb6ed21f.jpg