Troubleshooting, Warranty & Recalls

919 topics in this forum

1. Apple Car Play

   By Rob Sarabin, December 2, 2022
   • 4 replies
   • 4.2k views
   • 
   • newdude
   • March 15, 2023

2. Inline Speed Calibrator

   By bryant87, May 21, 2020
   • 5 replies
   • 1.7k views
   • 
   • GP9
   • March 11, 2023

3. TPMS for load sensing

   By Maninthesea, March 9, 2023
   • 5 replies
   • 947 views
   • 
   • Maninthesea
   • March 11, 2023

4. What Do I Have Now? Think It's A Camera Issue..

   By Core-Lokt, February 19, 2023
   • 5 replies
   • 1.4k views
   • 
   • 2021GMCLP5
   • March 9, 2023

5. STRANGE "GROWLING" NOISE AND VIBRATING AT ACCELERATION

   By Oostenstein, March 4, 2023
   • 0 replies
   • 835 views
   • 
   • Oostenstein
   • March 4, 2023

6. Steering wheel bump to center when applying brakes in a corner. 1 2

   By Jettech1, December 4, 2022
   • 22 replies
   • 4.1k views
   • 
   • Jettech1
   • March 2, 2023

7. Rear end clunk on AT4 HD 1 2 3

   By souper, October 22, 2021
   • 39 replies
   • 14k views
   • 
   • Mass2500HD
   • February 28, 2023

8. Multi Pro Tailgate Plug

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

9. The unexpected programing updates during service visit

   By Michael621, February 25, 2023
   • 2 replies
   • 2.1k views
   • 
   • Michael621
   • February 25, 2023

10. Headlight Wiring Harness Location

    By Todd Bingham, February 22, 2023
    • 0 replies
    • 927 views
    • 
    • Todd Bingham
    • February 22, 2023

11. 2020-2024 Rear trailer camera fix

    By Dennis Starbird, February 19, 2023   

    • broke
    • cable
    • (and 2 more)

      Tagged with:

      • broke
      • cable
      • rear camera add-on
      • rear
    • 0 replies
    • 1.5k views
    • 
    • Dennis Starbird
    • February 19, 2023

12. Mirror Wiring

    By BigBlack2500, February 17, 2023
    • 0 replies
    • 565 views
    • 
    • BigBlack2500
    • February 17, 2023

13. Radio sounds "Tinny" and "Base" doesn't sound right ......

    By Tucson Jack, February 13, 2023
    • 3 replies
    • 1.5k views
    • 
    • Pryme
    • February 16, 2023

14. 2023 GMC 2500HD Not Starting 1 2

    By yoman, February 3, 2023
    • 19 replies
    • 8.5k views
    • 
    • Northern1
    • February 11, 2023

15. 2023 3500HD Multiflex tailgate complaint

    By BigEd65, February 9, 2023
    • 8 replies
    • 1.9k views
    • 
    • BigEd65
    • February 9, 2023

16. Service parking brake, traction control on, traction control off, service 4wd, gauges erratic

    By Jeremy Whitaker, February 1, 2023
    • 9 replies
    • 7.5k views
    • 
    • Pryme
    • February 9, 2023

17. Alternator power to trailer 1 2

    By Rick Schleicher, November 12, 2022
    • 17 replies
    • 13.3k views
    • 
    • Jettech1
    • February 6, 2023

18. 2022 Silverado 12V power receprtacle failed.

    By Phil P2, January 24, 2023
    • 5 replies
    • 1.1k views
    • 
    • GMCustomerService
    • February 1, 2023

19. Black Line Across Radio Screen

    By Core-Lokt, January 3, 2023
    • 10 replies
    • 1.4k views
    • 
    • Pryme
    • January 28, 2023

20. Whistling sound from drivers side at 45mph or greater 1 2

    By GMC4Zee, January 6, 2023
    • 29 replies
    • 8.1k views
    • 
    • Doodle
    • January 23, 2023

21. Changed Batteries and have reduced power and more.

    By Mattic33, January 10, 2023
    • 2 replies
    • 1.1k views
    • 
    • GMCustomerService
    • January 20, 2023

22. Fuel Filter Re-Set on 2021 Silverado 2500HD with Duramax Diesel .....

    By Tucson Jack, January 19, 2023
    • 1 reply
    • 1.2k views
    • 
    • Tucson Jack
    • January 19, 2023

23. Multipro tailgate upper section lockout procedure - anyone used it successfully?

    By Another JR, November 3, 2022
    • 10 replies
    • 10.6k views
    • 
    • H20ENG
    • January 16, 2023

24. Blind Spot Monitoring w/Trailer

    By Skeld, January 11, 2023
    • 3 replies
    • 5.1k views
    • 
    • Skeld
    • January 12, 2023

25. Center console locks intermittently when down

    By NaturallyAspirated, January 7, 2023
    • 0 replies
    • 620 views
    • 
    • NaturallyAspirated
    • January 7, 2023