2021 Tahoe High Country

[Desperateforinfo]

 

[Desperateforinfo]

Is there anyone that has had these same problems with their 2021 tahoe? The dealership doesn’t know how to fix it.

 

[d_hawk]

If all those warnings are happening simultaneously I would check the battery. Low voltage can adversely affect the various vehicle modules and computers.

 

[DuraYuk]

In the 3rd picture from the top you can see terribly low battery voltage. Alternator Is failing. Check with voltmeter. Could be sporadic.

Find another dealer.

 

[WalleyeMikeIII]

It’s low voltage, likely. Battery, charging system, or perhaps bad ground…

Also notice low fuel in two of the pics…were you really out of gas? If not, another hint at an electrical issue…

Start at the basics:
1) be sure battery terminals are clean and tight
2) measure battery voltage with vehicle off, should be 12.5-13V, if not, charge battery
3) Start vehicle and measure voltage again, should be around 14.2, if not, suspect bad alternator.

Dealer should be able to do these.