Troubleshooting, Warranty & Recalls

919 topics in this forum

1. Def usage? 1 2

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

2. Service Trailer Brake System

   By Kthahn13, November 23, 2020
   • 1 reply
   • 6.2k views
   • 
   • cNate
   • November 23, 2020

3. Automatic high beams

   By MistaHicks89, November 22, 2020
   • 2 replies
   • 1.1k views
   • 
   • ssowie
   • November 22, 2020

4. 2020 GMC 2500 HD DENALI TRANSMISSION PROBLEMS

   By tkcrane89, December 4, 2019
   • 5 replies
   • 18.7k views
   • 
   • JBRLLC
   • November 22, 2020

5. Wiper Programming.

   By Stand By, November 20, 2020
   • 0 replies
   • 884 views
   • 
   • Stand By
   • November 20, 2020

6. 2020 2500HD Silverado Feels like its surging when towing uphill

   By Addison Reeder IV, November 9, 2020
   • 4 replies
   • 3.1k views
   • 
   • kylant
   • November 20, 2020

7. Steering wheel column loose feeling

   By Richard Burton, November 20, 2020   

   • steering
   • vibration
   • 2 replies
   • 12k views
   • 
   • 6.6HD
   • November 20, 2020

8. USB/iPod

   By Utah_ee, November 16, 2020
   • 4 replies
   • 9.3k views
   • 
   • sdelam
   • November 19, 2020

9. Traded in the truck

   By Tahoe555, November 15, 2020
   • 3 replies
   • 1.9k views
   • 
   • KuiMonster
   • November 19, 2020

10. Air recirculate doesn't work with heater?

    By KuiMonster, November 17, 2020
    • 2 replies
    • 1.1k views
    • 
    • KuiMonster
    • November 18, 2020

11. 2020 Sierra 2500HD excessive noise from cabin pressure relief vent

    By offgridmaine, November 17, 2020
    • 1 reply
    • 5.8k views
    • 
    • MTU Alum
    • November 17, 2020

12. Operating Temperature

    By bigman32hockey, November 17, 2020
    • 1 reply
    • 2.1k views
    • 
    • newdude
    • November 17, 2020

13. CEL - P0700 and U0100 Again

    By Tomato, November 16, 2020
    • 1 reply
    • 7.6k views
    • 
    • Tomato
    • November 17, 2020

14. "Side Detection Temporarily unavailable"

    By Makito, November 17, 2020
    • 1 reply
    • 3.6k views
    • 
    • mkeddie161
    • November 17, 2020

15. Vibration at 65mph

    By 1604Shop, February 15, 2020
    • 8 replies
    • 8.5k views
    • 
    • MTU Alum
    • November 15, 2020

16. Front suspension torsion bars

    By Jim Aldrich, November 13, 2020
    • 4 replies
    • 1.8k views
    • 
    • kylant
    • November 14, 2020

17. Total Camera Failure

    By Dean Fischbeck, November 13, 2020   

    • Camera
    • 0 replies
    • 1.3k views
    • 
    • Dean Fischbeck
    • November 13, 2020

18. Infotainment options missing?

    By Tony O'Hair, October 28, 2020
    • 4 replies
    • 1.7k views
    • 
    • Stand By
    • November 12, 2020

19. Click,Click,Click,Click No start.

    By 07HD, November 11, 2020
    • 1 reply
    • 2.1k views
    • 
    • MTU Alum
    • November 11, 2020

20. Radio failure 1 2

    By Dan0204, October 13, 2020
    • 17 replies
    • 3k views
    • 
    • InTrouble
    • November 10, 2020

21. 2020 Silverado HD 2500 W/T 4x4

    By Kirkdhill, November 7, 2020   

    • tow/haul
    • 2 replies
    • 991 views
    • 
    • Kirkdhill
    • November 7, 2020

22. Auto grade brake

    By JRSPerf., November 6, 2020   

    • 6.6L Duramax
    • 0 replies
    • 827 views
    • 
    • JRSPerf.
    • November 6, 2020

23. 3rd light camera replacement

    By DennisW, November 3, 2020
    • 0 replies
    • 569 views
    • 
    • DennisW
    • November 3, 2020

24. 7 pin plug

    By JimBuck, October 30, 2020
    • 2 replies
    • 1.1k views
    • 
    • ssowie
    • October 31, 2020

25. Truck bed and fifth wheel hitch

    By Jaw147, August 15, 2020
    • 5 replies
    • 5.6k views
    • 
    • bass mechanic
    • October 28, 2020