more problems

[Big Kahuna]

1400 miles on the clock
blind spot monitor not working
auto start stop not working
auto high beams not working
unstable battery
alternator won't charge properly
back to the dealer she went .
2nd gm truck on the row nothing but problems , way to go GM !!

 

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[TonyAT4]

Sounds like the battery might be behind all your issues. Good luck

 

[Big Kahuna]

Unstable voltage jumps 12.2 13.8 14.2 when the truck is running

 

[gemarsh]

Could very well be a battery issue or even a ground.

 

[Big Kahuna]

bad battery and also they have to reprogram the truck so far so good ........

 

[Joe98]

Hope they get it sorted out...a gorgeous truck. But sad considering what they cost and some of the problems owners are having.

 

[Big Kahuna]

Hope they get it sorted out...a gorgeous truck. But sad considering what they cost and some of the problems owners are having.

I know, I really like the truck, I decide to give gm one more chance , 2truck in a year from gm with nothing but problems, I kind of kicking myself in ass for not getting the ford , I had a great deal in 2023 f250 lariat with high output diesel 500 hp 1200 tq for only 5K more than this gmc cost me
what a mistake !!!

 

[Joe98]

Quite some time ago, I was reading a thread about a Sierra Denali or High Country Silverado being at the GM dealer for weeks if not months for a similar problem/issue and after they literally gutted the truck they found some wires were badly chafed/damaged near the ground and it was really messing up electronics. Truck was dying on owner, not holding charge, lights flickering off/on, and all sorts of problems. If I remember correctly it ended up being a buy back cause the truck sat a dealership so long and they couldn't figure out issue.