2020-2024 Silverado HD & Sierra HD Troubleshooting

852 topics in this forum

1. 2024 LTZ Turn signal intermittently triggering wipers

   By davidm767, 22 hours ago
   • 2 replies
   • 106 views
   • 
   • BuckWallace
   • 19 hours ago

3. 2025 6.6 duramax oil leak

   By vucelick, Monday at 02:59 PM
   • 0 replies
   • 98 views
   • 
   • vucelick
   • Monday at 02:59 PM

4. 2024 6.6 Gas Misfire

   By transam617, January 26
   • 9 replies
   • 1.7k views
   • 
   • lineman1234
   • July 1

5. Dash or firewall rattle 6.6L gasser at stoplights

   By UWSkier, December 18, 2024
   • 14 replies
   • 1.9k views
   • 
   • UWSkier
   • June 30

6. Rear Window Leak (with fix)

   By UltimateToolReviews, June 22
   • 7 replies
   • 483 views
   • 
   • carkhz316
   • June 29

7. Trailer TPMS Issues

   By Scott Surges, June 4
   • 9 replies
   • 576 views
   • 
   • PBNB
   • June 28

8. Windshield Replacement

   By marpel, June 15
   • 5 replies
   • 447 views
   • 
   • Chuck FB
   • June 21

9. Transparent trailer won't calibrate 1 2 3

   By Topath, June 27, 2023
   • 39 replies
   • 14.5k views
   • 
   • PBNB
   • June 21

10. Bluetooth crackling/static after Y172 update 1 2 3

    By BuckWallace, September 22, 2024
    • 40 replies
    • 8.6k views
    • 
    • vucelick
    • June 21

11. auxillary (block) heater plug in

    By Lke, June 7
    • 5 replies
    • 432 views
    • 
    • redwngr
    • June 12

12. Anyone know how to replace the triangle shaped front window apliques?

    By Meyre1, June 7
    • 1 reply
    • 402 views
    • 
    • tbarn
    • June 9

13. Factory battery life length

    By Randal Scott, June 5
    • 10 replies
    • 732 views
    • 
    • mjm-1957
    • June 7

14. GM Buy Back

    By DBaker, June 4
    • 5 replies
    • 670 views
    • 
    • customboss
    • June 6

15. Belt squeal (?) on cold start up on 2024 Chevy 2500HD 6.6L Gasser 1 2 3 4

    By gastrohman, March 11, 2024
    • 51 replies
    • 10.9k views
    • 
    • Ry Guy
    • June 5

16. 5th wheel chucking 1 2 3

    By Meade2024, February 11
    • 31 replies
    • 3.3k views
    • 
    • Randal Scott
    • June 5

17. Tailgate - Not receiving notification for main Tailgate Open

    By Pete M, June 4
    • 1 reply
    • 284 views
    • 
    • GMCustomerService
    • June 4

18. Rear Window Leak and GM warranty warning 1 2

    By bowtie2007, March 18, 2022
    • 25 replies
    • 43k views
    • 
    • Kate and Mike
    • June 4

19. TRAILERING APP WON'T TURN ON

    By BnDRoadTrip, February 6, 2024
    • 1 reply
    • 654 views
    • 
    • riggone
    • June 4

20. Exhaust Brake concerns

    By DBaker, April 14
    • 4 replies
    • 810 views
    • 
    • DBaker
    • June 4

21. AC Drain

    By RickSt, July 4, 2023
    • 5 replies
    • 11k views
    • 
    • Paul Wall
    • June 1

22. Fuel pump priming when doors open?

    By LSX Z28, December 25, 2019
    • 13 replies
    • 9.8k views
    • 
    • carkhz316
    • May 29

23. Chime wont stop - how to disable??

    By In2racn, March 8, 2020
    • 8 replies
    • 38.9k views
    • 
    • PapaJohn55
    • May 29

24. Infotainment Audio Issues 1 2 3

    By kf9yr, May 8, 2020
    • 30 replies
    • 27k views
    • 
    • Big DK
    • May 29

25. 2020 GMC3500 AT4 needing to replace DPF at 85K miles

    By Hog Hunter, May 27
    • 2 replies
    • 472 views
    • 
    • CamGTP
    • May 28

26. Rear Brakes Sticking

    By Brandon Darnell, May 13
    • 6 replies
    • 638 views
    • 
    • Brandon Darnell
    • May 27