Troubleshooting, Warranty & Recalls

912 topics in this forum

1. Paint issues ? Chips and flakes

   By Ben Jardine, June 3, 2024
   • 10 replies
   • 9.1k views
   • 
   • Kristencamp
   • May 17, 2025

2. TPMS sensors loose signal right front wheel 2020 3500 HD DRW

   By Andrew Best, December 28, 2020
   • 9 replies
   • 9.1k views
   • 
   • Dave Rittiman
   • July 28, 2024

3. AC Port Location

   By Wmwbutler, November 1, 2024
   • 2 replies
   • 9.1k views
   • 
   • Wmwbutler
   • November 3, 2024

4. Suspension Noise

   By tbully, February 17, 2022
   • 6 replies
   • 9.1k views
   • 
   • Leem
   • February 18, 2022

5. remote start issues with key fob - Service Steering column lock

   By hesaw00, April 26, 2021
   • 3 replies
   • 9k views
   • 
   • 2022Duramax3.0
   • June 6, 2022

6. Multi-Pro Tailgate Loose?

   By RugbyRef, July 14, 2021
   • 5 replies
   • 9k views
   • 
   • Grjfer
   • July 19, 2021

7. Bed plug part number

   By BigDs_DenaliHD, September 19, 2022
   • 4 replies
   • 8.9k views
   • 
   • BigDs_DenaliHD
   • September 25, 2022

8. Power Folding Trailering Mirrors Malfunction

   By Mr. Jim, January 31, 2021
   • 3 replies
   • 8.9k views
   • 
   • Truston Gunter
   • March 1, 2022

9. 2024 high country 13" ent system w/ bose - Audio not working

   By pedroericr, April 23, 2024
   • 13 replies
   • 8.8k views
   • 
   • H1ghlndr
   • November 7, 2024

10. Head Up Display Fuzzy

    By acm2020Denali, May 18, 2021   

    • HUD 2020 2500HD Denali
    • 3 replies
    • 8.8k views
    • 
    • Rob Mugs
    • May 19, 2021

11. Password confirmation?

    By Limelight, May 10, 2021
    • 5 replies
    • 8.8k views
    • 
    • jd64
    • May 13, 2021

12. Tailgate switch operation?

    By Irish80, September 5, 2019
    • 9 replies
    • 8.7k views
    • 
    • ApertureX
    • September 26, 2019

13. Radio reception

    By shimmy, August 28, 2020
    • 3 replies
    • 8.7k views
    • 
    • shimmy
    • October 9, 2020

14. Power Outlet Switch light stays on dim green

    By Killjoy1977, August 18, 2020
    • 5 replies
    • 8.7k views
    • 
    • Mic_
    • June 15, 2022

15. TPMS life expectancy and or other issues????

    By Truston Gunter, May 16, 2022
    • 2 replies
    • 8.7k views
    • 
    • BB&Chiveon
    • May 17, 2022

16. 2024 Chevy 2500 HD camera not working

    By Jercole, May 26, 2023
    • 5 replies
    • 8.6k views
    • 
    • Tfkkolar
    • August 9, 2023

17. Weak Windshield 1 2

    By Dr1ft3r, April 24, 2023
    • 22 replies
    • 8.6k views
    • 
    • Theultimate
    • March 2, 2024

18. Def usage? 1 2

    By blamkin86, March 15, 2020
    • 18 replies
    • 8.6k views
    • 
    • shadow gray 2020 hd
    • November 27, 2020

19. 2020 6.6 gas rough idle at start

    By greatmizzou, February 28, 2020
    • 5 replies
    • 8.6k views
    • 
    • greatmizzou
    • March 16, 2021

20. 2022 GMC Sierra 3500 HD Diesel - Ticking

    By chevelleusaf, October 4, 2022   

    • engine
    • trans
    • (and 5 more)

      Tagged with:

      • engine
      • trans
      • clicking
      • pinging
      • diesel
      • 3500HD
      • GMC
    • 5 replies
    • 8.5k views
    • 
    • chevelleusaf
    • October 4, 2022

21. Hesitation or shudder/misfire?

    By BigBru, July 12, 2021
    • 13 replies
    • 8.5k views
    • 
    • Agargano98
    • October 24, 2024

22. Error code u18dc post battery failure

    By MikeMikeMike, July 1, 2024
    • 3 replies
    • 8.5k views
    • 
    • MannyPaz
    • February 18

23. Blowig 15A park lamp RT fuse

    By jl449, September 22, 2019
    • 6 replies
    • 8.4k views
    • 
    • Ryan Evans
    • October 30, 2019

24. Vibration at 65mph

    By 1604Shop, February 15, 2020
    • 8 replies
    • 8.4k views
    • 
    • MTU Alum
    • November 15, 2020

25. 2021 GMC 3500 AT4 Power Running Boards

    By Fire1382fighter, June 29, 2021
    • 8 replies
    • 8.4k views
    • 
    • Aircop
    • August 12, 2022