Troubleshooting, Warranty & Recalls

918 topics in this forum

1. Radio no sound

   By dieselfan1, December 14, 2025
   • 14 replies
   • 3k views
   • 
   • chwilliams
   • February 3

2. Ticking noise on new truck

   By dquest, November 3, 2021
   • 11 replies
   • 20.1k views
   • 
   • Makiman
   • February 3

3. Factory Manual 1 2 3

   By SSchup, December 11, 2025
   • 42 replies
   • 2.6k views
   • 
   • Atlas
   • January 29

4. Rear differential level on 2024 3500 L8T 1 2 3

   By 64BAwagon, April 10, 2024
   • 31 replies
   • 6.5k views
   • 
   • Chuck FB
   • January 26

5. Rear brakes lasting 22k miles???? 1 2 3 4

   By AbzDad, December 22, 2025
   • 49 replies
   • 4.3k views
   • 
   • Chuck FB
   • January 18

6. High Beam Flash with Left Turn Signal Engagement 2020 2500HD High Country

   By Benthecuban, September 15, 2021
   • 13 replies
   • 19.1k views
   • 
   • Denali1986
   • January 17

7. Wireless Android Auto

   By Rogue Leader, December 16, 2025
   • 8 replies
   • 1.3k views
   • 
   • Jettech1
   • December 22, 2025

8. Phone hotspot not connecting

   By nparker76, December 21, 2025
   • 0 replies
   • 300 views
   • 
   • nparker76
   • December 21, 2025

9. 6.6L Gas Engine "pinging"

   By AT4X Steve, October 29, 2024
   • 12 replies
   • 5.2k views
   • 
   • lineman1234
   • December 18, 2025

10. Upgrading 2024 Silverado 2500 Front End (Halogen To New LED Front End)

    By BC452, December 17, 2025
    • 0 replies
    • 188 views
    • 
    • BC452
    • December 17, 2025

11. Rear Cameras Dark At all times

    By Byrds8, December 14, 2025
    • 4 replies
    • 607 views
    • 
    • Another JR
    • December 15, 2025

12. 23 Sierra 2500HD 6.6 Gas/6L90 drivetrain whine

    By 15DenaliSummit, December 6, 2024   

    • Drivetrain whine
    • 13 replies
    • 2.4k views
    • 
    • Chuck FB
    • December 15, 2025

13. 2022 3500 Dually rear rotor replacement

    By Angry truck owner, December 2, 2024
    • 11 replies
    • 16.1k views
    • 
    • Edbass
    • December 12, 2025

14. Trailer Camera Issues

    By bruceb58, November 9, 2025
    • 3 replies
    • 501 views
    • 
    • bruceb58
    • December 11, 2025

15. Headlight flash/wiper hesitation

    By BuckWallace, December 8, 2025
    • 2 replies
    • 375 views
    • 
    • BuckWallace
    • December 8, 2025

16. Help! 4 glow plug codes P068C, P067E, P067A, P066A

    By Jeremy Kanter, November 27, 2023
    • 1 reply
    • 1.1k views
    • 
    • Jonnie
    • December 3, 2025

17. Factory battery life length 1 2

    By Randal Scott, June 5, 2025
    • 15 replies
    • 2.4k views
    • 
    • Chuck FB
    • December 3, 2025

18. 2023 LTZ 3500 - Leaf springs are bagged!? 1 2

    By PBNB, November 16, 2025
    • 21 replies
    • 1.4k views
    • 
    • Chuck FB
    • November 22, 2025

19. Very small transmission leak

    By Pryme, November 20, 2025
    • 8 replies
    • 697 views
    • 
    • Chuck FB
    • November 21, 2025

20. 2024 Turn Signals Not Working Properly at Times 1 2 3 4 7

    By jd64, May 21, 2023
    • 99 replies
    • 56.3k views
    • 
    • jd64
    • November 13, 2025

21. Failed Idler Arm at 48k miles - 2022 GMC 2500

    By UltimateToolReviews, November 6, 2025
    • 13 replies
    • 2.2k views
    • 
    • Chuck FB
    • November 7, 2025

22. 2020 GMC 3500 Rear Window Leaking

    By mmey4, April 21, 2025
    • 2 replies
    • 703 views
    • 
    • UltimateToolReviews
    • November 7, 2025

23. Odd AC issue on start-up

    By UltimateToolReviews, July 28, 2025
    • 8 replies
    • 1k views
    • 
    • UltimateToolReviews
    • November 7, 2025

24. Steering Wheel Trim Peeling

    By UltimateToolReviews, September 7, 2025
    • 3 replies
    • 1.1k views
    • 
    • UltimateToolReviews
    • November 7, 2025

25. Outside Temperature Reading High Consistently

    By AT4X Steve, November 7, 2025
    • 0 replies
    • 207 views
    • 
    • AT4X Steve
    • November 7, 2025