Troubleshooting, Warranty & Recalls

912 topics in this forum

1. Rear suspension noise after fluid film application

   By Chepachetchevyguy, May 25, 2020
   • 7 replies
   • 15.4k views
   • 
   • JustinB60
   • December 21, 2021

2. 2020 2500hd program and add a key fob

   By Maninthesea, June 10, 2021
   • 3 replies
   • 8.2k views
   • 
   • Another JR
   • December 14, 2021

3. Lower Convex Mirror Adjustment

   By jasschul, December 7, 2021
   • 2 replies
   • 24.7k views
   • 
   • newdude
   • December 7, 2021

4. Brake Squeak 21’ Sierra 2500

   By Jack Aldridge, October 25, 2021
   • 4 replies
   • 2.2k views
   • 
   • gdlou
   • November 30, 2021

5. Inner tail gate won't open

   By Ken Hill jr, November 28, 2021
   • 2 replies
   • 893 views
   • 
   • Ken Hill jr
   • November 30, 2021

6. U1345 code Duramax

   By Klint, November 27, 2021
   • 2 replies
   • 10.1k views
   • 
   • mjm-1957
   • November 28, 2021

7. Trailer TPMS question

   By jsward12, November 25, 2021
   • 3 replies
   • 1.1k views
   • 
   • jsward12
   • November 27, 2021

8. Flashing trailer lights

   By insidethreat07, April 8, 2020
   • 7 replies
   • 3.9k views
   • 
   • ambest
   • November 26, 2021

9. TPMS question

   By Justin w, November 26, 2021
   • 4 replies
   • 947 views
   • 
   • redwngr
   • November 26, 2021

10. Fuel mileage getting worse….. 1 2

    By Corporate72, November 6, 2021
    • 24 replies
    • 6.3k views
    • 
    • Grumpy Bear
    • November 26, 2021

11. 2020 Silverado 2500 HD Brake Failure

    By Dwight Gilbert, November 26, 2021
    • 0 replies
    • 1.2k views
    • 
    • Dwight Gilbert
    • November 26, 2021

12. Body repair questions

    By Edmond, November 25, 2021
    • 3 replies
    • 850 views
    • 
    • Edmond
    • November 25, 2021

13. Leaking Fuel

    By billa9b0ng, November 21, 2021
    • 4 replies
    • 6k views
    • 
    • billa9b0ng
    • November 23, 2021

14. Window doesn't work after dead battery

    By insidethreat07, November 4, 2021
    • 2 replies
    • 10.7k views
    • 
    • insidethreat07
    • November 4, 2021

15. Bose Sub only works when it wants to?

    By aliveguy5, October 28, 2021
    • 1 reply
    • 961 views
    • 
    • aliveguy5
    • November 4, 2021

16. Intermediate Steering Shaft ?

    By GhostComanche, August 23, 2021
    • 9 replies
    • 11k views
    • 
    • MTU Alum
    • October 28, 2021

17. Missing module?

    By don penney, September 30, 2021
    • 2 replies
    • 1.8k views
    • 
    • Another JR
    • October 26, 2021

18. Check trailer brakes

    By Buster#1, April 20, 2021
    • 4 replies
    • 7k views
    • 
    • sdelam
    • October 26, 2021

19. 2020 GMC AT4 - No power to anything

    By Kyle K, November 29, 2020
    • 6 replies
    • 14.7k views
    • 
    • R Adams
    • October 26, 2021

20. 2022 Sierra rear out board heated seats.

    By Mic_, October 26, 2021
    • 0 replies
    • 1.4k views
    • 
    • Mic_
    • October 26, 2021

21. 2020 GMC 3500HD Glove Box Latch/Lock Removal

    By klcdd, October 22, 2021
    • 0 replies
    • 3.5k views
    • 
    • klcdd
    • October 22, 2021

22. 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

23. Trailer camera issues - 2020 Denali HD - Bad 7 way connectors? Recall?

    By In2racn, September 25, 2021
    • 4 replies
    • 2k views
    • 
    • GMC4Zee
    • October 11, 2021

24. Multipro Tailgate Issue

    By seniorjumper82, September 12, 2021
    • 6 replies
    • 1.6k views
    • 
    • seniorjumper82
    • October 9, 2021

25. Engine knock a 500 miles 1 2 3 4 10

    By bass mechanic, October 19, 2019
    • 135 replies
    • 73.8k views
    • 
    • DavidP
    • October 6, 2021