Forum Discussion
OnStar Light Red - Service Driver Assist Message - '25 Sierra 1500 Denali Ultimate
I purchased a new '25 Sierra 1500 Denali Ultimate about a month ago. At about 900 miles I got a 'Service Driver Assist' message every time I started the truck, and the Supercruise function would not ...
I have the exact same thing. Randomly it will come on and work the next day. When I bring it in to have it looked at, they cannot recreate the error. So when I make my next appointment, what can I tell them to specifically reference to fix this issue? It seems to me this cannot be new and not have a resolution.
Have the dealer look for a watchdog error. It is an error that can be intermittent and will force a system reboot depending on the parameters. This will cause the red light issue. It can reset itself especially after a restart of vehicle.
It can also indicate a hardware failure. If the tech doesn't actually troubleshoot, they may miss it.
For more info, Google "OnStar watchdog error"