2020-2024 Silverado HD & Sierra HD Troubleshooting

790 topics in this forum

1. 5th Wheel transparent trailer won't calibrate

   By bass mechanic, June 26, 2023
   • 2 replies
   • 1.5k views
   • 
   • bass mechanic
   • July 16, 2023

3. Reduced power and engine shut down!

   By Chuck Ken, July 15, 2023
   • 3 replies
   • 927 views
   • 
   • Jettech1
   • July 16, 2023

4. Need to understand torsion bars

   By GMC4Zee, July 5, 2023
   • 8 replies
   • 1.3k views
   • 
   • GMC4Zee
   • July 10, 2023

5. 2024 radio staying on

   By Crazy Canuck, July 7, 2023
   • 2 replies
   • 1.4k views
   • 
   • Crazy Canuck
   • July 8, 2023

6. Memory seats

   By TheGeek, July 7, 2023
   • 0 replies
   • 479 views
   • 
   • TheGeek
   • July 7, 2023

7. Wipers won’t shut off

   By Winni Laker, June 4, 2023
   • 6 replies
   • 4.8k views
   • 
   • shadow gray 2020 hd
   • June 27, 2023

8. 2020 Hood paint thickness

   By Brian Ouimette, June 23, 2023
   • 11 replies
   • 2.5k views
   • 
   • shadow gray 2020 hd
   • June 27, 2023

9. Buy a GMC 2500HD or 3500HD at your own risk. Here is my story. HELP.

   By KC Desert, June 23, 2023
   • 4 replies
   • 2k views
   • 
   • KC Desert
   • June 24, 2023

10. Day 1 with 24 AT4. Power Running Boards...

    By Jpar247, June 23, 2023
    • 1 reply
    • 769 views
    • 
    • 64BAwagon
    • June 23, 2023

11. Trailer TPMS sensors loose signal 1 2 3 4 7

    By Andrew Best, September 9, 2020   

    • Tpms problems
    • TPMS trailer
    • 94 replies
    • 40.8k views
    • 
    • Aircraft800
    • June 23, 2023

12. Brakes Squeaking @ 10K 1 2 3 4 7

    By LarryM, September 16, 2020
    • 98 replies
    • 54.3k views
    • 
    • Grjfer
    • June 22, 2023

13. 2500HD Fan Belt broken

    By Laurent Kim, June 4, 2023
    • 10 replies
    • 2.1k views
    • 
    • redwngr
    • June 15, 2023

14. 2024 High Country 2500HD DPF Restriction Code

    By That1Silverado, June 4, 2023
    • 2 replies
    • 2.9k views
    • 
    • kylant
    • June 13, 2023

15. Weird infotainment screen glitch

    By Pryme, June 9, 2023
    • 7 replies
    • 2.8k views
    • 
    • Jettech1
    • June 12, 2023

16. Trailer Right Turn/Brake light not working.

    By Axtell, June 9, 2023
    • 3 replies
    • 8.3k views
    • 
    • Axtell
    • June 9, 2023

17. 2020 Chevrolet 2500 hd electronic and ac problems

    By Kyle Prater, June 4, 2023
    • 0 replies
    • 1.6k views
    • 
    • Kyle Prater
    • June 4, 2023

18. Torsion bar help 23’ custom diesel

    By bryant87, June 4, 2023
    • 0 replies
    • 602 views
    • 
    • bryant87
    • June 4, 2023

19. "please supply password to continue to use connected services" Does anyone know if this is onstar or something else?

    By GMC4Zee, May 29, 2023
    • 5 replies
    • 1.1k views
    • 
    • shadow gray 2020 hd
    • June 3, 2023

20. 6.6 Gas Check Engine Light

    By Stand By, May 23, 2023
    • 9 replies
    • 2.9k views
    • 
    • GMCustomerService
    • June 1, 2023

21. Metallic slap, chirp type of noise

    By kylant, May 16, 2023
    • 6 replies
    • 1.2k views
    • 
    • kylant
    • June 1, 2023

22. jimbo1

    By jimbo1, May 15, 2023
    • 1 reply
    • 482 views
    • 
    • Crazy Canuck
    • May 29, 2023

23. TPMS low pressure alert perplexion

    By Maninthesea, January 28, 2023
    • 10 replies
    • 1.6k views
    • 
    • sabre364
    • May 27, 2023

24. Tailgate dampener failure?

    By Pryme, May 22, 2023
    • 2 replies
    • 755 views
    • 
    • Jettech1
    • May 23, 2023

25. 2021 GMC Sierra 2500HD 6.6 duramax

    By Calvin Gray, May 17, 2023
    • 1 reply
    • 721 views
    • 
    • Brianibew
    • May 18, 2023

26. 2023 Chevy 2500 help

    By Npd15, May 5, 2023
    • 9 replies
    • 1.1k views
    • 
    • Dunn
    • May 14, 2023