Supercruise Not Working

[zbad55]

Hey guys,

New 2023 Yukon Denali that is equipped with SC and just today I noticed that the SC wasn't working. It was working before because I had used it but haven't had a chance until today to try it again. Not sure what is going on, the adaptive cruise is working fine but not the SC. Any thoughts on this, not sure what to try before I take it to the dealer. The highways that I was driving were all labeld on the SC map as good to go. The thing only has 1100 miles and I haven't even driven that much, thanks for any suggestions,

 

[StephenPT]

Poor GPS connection? Glitch in the software that might resolve itself next time you start it? The only thing I'd try before taking it to the dealer if the issue persists is a 10mm wrench to the negative terminal. Remove for a couple of minutes and then reinstall. That has fixed numerous other issues on this forum that are software/electrical related.

 

[Danimalx87]

Are you getting a message that's it not available on the dash? I did something where I turned off ACC and it wouldn't let me use SC until I turned it back on.

 

[zbad55]

Are you getting a message that's it not available on the dash? I did something where I turned off ACC and it wouldn't let me use SC until I turned it back on.

Yes, when I try to enable SC I get the message "SuperCruise is not available no road information". I have AC engaged but still no SC,

 

[zbad55]

Poor GPS connection? Glitch in the software that might resolve itself next time you start it? The only thing I'd try before taking it to the dealer if the issue persists is a 10mm wrench to the negative terminal. Remove for a couple of minutes and then reinstall. That has fixed numerous other issues on this forum that are software/electrical related.

Do you have any idea how to tell if the GPS is working in the vehicle? I guess tomorrow I will try to disconnect the battery for a few and see if that works.

 

[Danimalx87]

I get the no information message from time to time. On the same section of road where it worked previously. Usually works a day or two later.

 

[mplunk]

I get the no information message from time to time. On the same section of road where it worked previously. Usually works a day or two later.

Same. It's a glitch that only happens occasionally- maybe 95% of the time it's fine on the interstates I drive daily, but once and a while the icon doesn't show as available.

 

[zbad55]

Just an update, I had OnStar do a refresh of the system but still a no go, they indicated that a technical advisor would be in contact in 3 to 5 days to further troubleshoot the issue. So we shall see,

 

[GmcGal99]

I’m having this EXACT SAME ISSUE with my 2023 Yukon Denali. Super cruise worked great the first day and then randomly stopped working. I’ve called onstar and been to two different dealers and nobody can figure this out. So frustrating and I don’t have time to leave my car for a week while they tinker around on it.

 

[vcode]

Just got the latest issue of Motortrend. They said Supercruise was AWOL on the GMC Denali pick-up they just tested. Hmmmm.......