2020-2024 Silverado HD & Sierra HD Troubleshooting

790 topics in this forum

1. 24 2500 HD front diff squeaking.

   By 20SierraL8T24, August 12
   • 3 replies
   • 426 views
   • 
   • aro
   • August 20

3. GM Customer Service

   By bruceb58, August 13
   • 4 replies
   • 346 views
   • 
   • Another JR
   • August 14

4. AC Drain

   By RickSt, July 4, 2023
   • 3 replies
   • 4.6k views
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   • Joshua Telecaster
   • August 14

5. Service Parking Brake

   By Age525, August 11
   • 3 replies
   • 1.1k views
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   • C/K Man
   • August 12

6. Trailer Brake Issue 1 2 3 4 5

   By marpel, October 1, 2022
   • 71 replies
   • 17.7k views
   • 
   • marpel
   • August 12

7. Inner tailgate not working

   By Cootr68, July 29
   • 4 replies
   • 828 views
   • 
   • 4x4Hank
   • August 5

8. DIY Services....How to make part of Vehicle Service History in GM system?

   By SoCal Angler, July 9
   • 7 replies
   • 726 views
   • 
   • 64BAwagon
   • August 3

9. High pitched noise coming from differential on a 24 Silverado HD LTZ

   By Z-7124, July 3
   • 3 replies
   • 962 views
   • 
   • Z-7124
   • July 31

10. 2020 L5p- Whats normal operating temp?

    By Desl_dad, November 24, 2020
    • 8 replies
    • 17.6k views
    • 
    • ajmg97
    • July 30

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

    By Andrew Best, December 28, 2020
    • 9 replies
    • 5.4k views
    • 
    • Dave Rittiman
    • July 28

12. Looking at used 24 Duramax... Questions

    By Mike MikeMike, July 25
    • 9 replies
    • 724 views
    • 
    • diyer2
    • July 26

13. Leaking rear window 1 2 3 4

    By redpat2061, September 24, 2020
    • 49 replies
    • 16.6k views
    • 
    • MPMikey
    • July 25

14. Mic won’t work for dictation

    By mdunntul, July 25
    • 1 reply
    • 563 views
    • 
    • GMCustomerService
    • July 25

15. 2024 Sierra HD Denali Ultimate Possessed

    By clongtine, July 31, 2023
    • 11 replies
    • 3.6k views
    • 
    • redwngr
    • July 25

16. Rear view camera pixel issue

    By GMC-Trucks-are-best, October 23, 2022
    • 3 replies
    • 1.8k views
    • 
    • eddieCanada
    • July 24

17. 2024 Custom infotainment and dash lights go out

    By mstuerwald, July 22
    • 1 reply
    • 319 views
    • 
    • GMCustomerService
    • July 22

18. Are people still getting the low speed brake squeal with the latest factory pads?

    By mrjulian416, July 8
    • 7 replies
    • 1.3k views
    • 
    • mrjulian416
    • July 19

19. 2021 Sierra Denali 2500HD black diamond edition wireless charger issues

    By swhsah, July 15
    • 0 replies
    • 177 views
    • 
    • swhsah
    • July 15

20. Cold Start Whining Horn Like Noise Comes and Goes? -with video/sound clip 1 2

    By Group_er, December 2, 2022
    • 25 replies
    • 11.2k views
    • 
    • GMCustomerService
    • July 8

21. 2021 2500HD A/C stops blowing cold at highway speeds

    By summers, July 7
    • 2 replies
    • 705 views
    • 
    • Another JR
    • July 8

22. Transmission fluid leak - what part is this leaking from ?

    By Eswaroop, July 8
    • 1 reply
    • 306 views
    • 
    • GMCustomerService
    • July 8

23. Tire blowout.. 43K 1 2 3 4

    By LarryM, May 29, 2022
    • 48 replies
    • 9.2k views
    • 
    • MD2014
    • July 6

24. compare hood of 2018 and 2020

    By dieselade, July 5
    • 0 replies
    • 209 views
    • 
    • dieselade
    • July 5

25. Ticking noise

    By bharris515, December 23, 2019
    • 8 replies
    • 11.7k views
    • 
    • Poseidon
    • July 5

26. Paint issues ? Chips and flakes

    By Ben Jardine, June 3
    • 6 replies
    • 1.9k views
    • 
    • MidTNDenali
    • June 27