Troubleshooting, Warranty & Recalls

912 topics in this forum

1. Replacement Tailgate Cables

   By AndrewF, September 12, 2024
   • 7 replies
   • 3.4k views
   • 
   • revrnd
   • October 4, 2024

2. Multi Pro Tailgate Plug

   By hkyfsh, April 30, 2021
   • 3 replies
   • 3.4k views
   • 
   • Wldfyr
   • February 27, 2023

3. 360 camera misalignment

   By Brougham96, April 29, 2021
   • 2 replies
   • 3.4k views
   • 
   • CT Chevy Connoisseur
   • April 29, 2021

4. Brand new 2022 Sierra 2500 AT4 with bad alignment

   By ForestAT4, October 2, 2022
   • 7 replies
   • 3.4k views
   • 
   • LowOnCash
   • January 14, 2024

5. Clunk from Transfer Case

   By Tshock, April 16, 2021
   • 3 replies
   • 3.3k views
   • 
   • Tshock
   • May 21, 2021

6. 2020 High Country 3500 HD will not power trailer jack motor or trailer interior lights

   By Wahou, October 12, 2021
   • 6 replies
   • 3.3k views
   • 
   • Wahou
   • October 18, 2021

7. 2022 GMC 3500 HD program cluster message

   By Mommy4, August 11, 2022
   • 1 reply
   • 3.3k views
   • 
   • Cstringer
   • February 9, 2024

8. High-pitched noise when accelerating/decelerating at low RPMs (2024 Silverado 2500)

   By switters, August 25, 2024
   • 4 replies
   • 3.3k views
   • 
   • Tuishimi
   • April 5, 2025

9. Steering Wheel Rubbing Plastic Cowling

   By lmar68, December 7, 2023
   • 3 replies
   • 3.3k views
   • 
   • luisadz80
   • October 17, 2024

10. 2021 2500HD A/C stops blowing cold at highway speeds

    By summers, July 7, 2024
    • 5 replies
    • 3.3k views
    • 
    • Ottavio
    • March 24

11. Squeaking Brake pedal

    By Dan Secor, December 10, 2020   

    • squeaking
    • brake pedal
    • (and 1 more)

      Tagged with:

      • squeaking
      • brake pedal
      • annoying
    • 2 replies
    • 3.3k views
    • 
    • Jsdirt
    • December 13, 2020

12. Need Part # and/or name for 7 way plug in the bed

    By es2020HD, June 21, 2020   

    • 7-way plug
    • bed plug
    • 2 replies
    • 3.3k views
    • 
    • es2020HD
    • June 21, 2020

13. Truck sound is mute entirely... any thoughts?

    By STRUCTUAL_PE, August 23, 2020
    • 4 replies
    • 3.2k views
    • 
    • KLeeGM
    • December 12, 2023

14. Rear Window Leak (with fix)

    By UltimateToolReviews, June 22, 2025
    • 7 replies
    • 3.2k views
    • 
    • carkhz316
    • June 29, 2025

15. Trailer tire pressure monitors

    By Pfc1, March 14, 2020
    • 5 replies
    • 3.2k views
    • 
    • bowtie2007
    • March 24, 2020

16. 2020 Chevy 3500 - Remote start sound issue

    By Rguerra, July 21, 2021
    • 6 replies
    • 3.1k views
    • 
    • jbu81
    • January 7, 2025

17. burned out complete front end differential 1 2

    By hotairgypsy, April 3, 2023
    • 16 replies
    • 3.1k views
    • 
    • Pryme
    • April 10, 2023

18. 2020 2500HD L5P no communications with modules

    By rdomeck, August 24, 2024
    • 3 replies
    • 3.1k views
    • 
    • asilverblazer
    • August 26, 2024

19. 2022 Chevrolet 2500 HD Service 4WD

    By Chuckfarmer, April 22, 2024
    • 5 replies
    • 3.1k views
    • 
    • Pryme
    • April 29, 2024

20. 3rd revision steering Intermediate shaft released. part # 85123355

    By JCunningham, August 10, 2021
    • 1 reply
    • 3.1k views
    • 
    • silveradosid
    • August 10, 2021

21. 2021 6.6 Duramax service DEF system and service power steering warnings

    By jasonhooker3, January 13, 2025
    • 4 replies
    • 3.1k views
    • 
    • jasonhooker3
    • March 18, 2025

22. Rear view camera pixel issue

    By GMC-Trucks-are-best, October 23, 2022
    • 3 replies
    • 3.1k views
    • 
    • eddieCanada
    • July 24, 2024

23. 2 Odd Noises When Driving Off-Road

    By Muleytime, January 6, 2020
    • 4 replies
    • 3.1k views
    • 
    • Christopher Murphy
    • January 9, 2020

24. Service Trailer Brake Message With DTC C1114 When Connected To A Trailer With A Hydrastar Electric Over Hydraulic Trailer Brake Actuator

    By meklund, October 17, 2024   

    • 2024
    • Sierra 2500/3500 HD
    • (and 3 more)

      Tagged with:

      • 2024
      • Sierra 2500/3500 HD
      • Chevrolet 2500/3500 HD
      • trailer brakes
      • Hydrastar
    • 2 replies
    • 3.1k views
    • 
    • bruceb58
    • October 19, 2024

25. Dash or firewall rattle 6.6L gasser at stoplights 1 2

    By UWSkier, December 18, 2024
    • 19 replies
    • 3.1k views
    • 
    • Chuck FB
    • July 15, 2025