2020-2024 Silverado HD & Sierra HD Troubleshooting

793 topics in this forum

1. Paint issues ? Chips and flakes

   By Ben Jardine, June 3
   • 9 replies
   • 2.1k views
   • 
   • 64BAwagon
   • 19 hours ago

3. 23 Sierra 2500HD 6.6 Gas/6L90 drivetrain whine

   By 15DenaliSummit, Friday at 11:05 PM   

   • Drivetrain whine
   • 3 replies
   • 187 views
   • 
   • Another JR
   • Sunday at 10:24 PM

4. No Trailer Connected Issue 1 2

   By Leon Baehre, March 7, 2020
   • 22 replies
   • 42.6k views
   • 
   • Darrell Moore
   • Sunday at 08:27 PM

5. 2020 2500hd high country door latch noisy 1 2 3 4

   By Paul jackckson, December 15, 2020
   • 53 replies
   • 21.3k views
   • 
   • Lew2024denali3500
   • Friday at 03:01 AM

6. Bluetooth crackling/static after Y172 update

   By BuckWallace, September 22
   • 12 replies
   • 1.7k views
   • 
   • b85chevy
   • Thursday at 02:43 AM

7. 2022 3500 Dually rear rotor replacement

   By Angry truck owner, December 2
   • 9 replies
   • 358 views
   • 
   • newdude
   • Wednesday at 09:59 PM

8. AC Drain

   By RickSt, July 4, 2023
   • 4 replies
   • 4.8k views
   • 
   • AndyNEI
   • December 2

9. Changing to neutral with dead battery

   By DMcKinney, March 18
   • 11 replies
   • 11.8k views
   • 
   • redwngr
   • December 1

10. 2024 HD3500 High Country reverse lights

    By BigA, November 30
    • 5 replies
    • 288 views
    • 
    • tonto340
    • December 1

11. Multi-Pro Tailgate Recall - GM Repair Performed 1 2

    By SoCal Angler, July 19
    • 22 replies
    • 3k views
    • 
    • revrnd
    • November 30

12. tow mirror issue 1 2

    By kylant, September 27, 2023
    • 21 replies
    • 7.3k views
    • 
    • revrnd
    • November 28

13. Fuel Gauge pegged at full

    By Chaser777, November 25
    • 5 replies
    • 320 views
    • 
    • Chaser777
    • November 28

14. 2025 tailgate with the power up/down feature, what years fit?

    By Suregrip391, November 24
    • 3 replies
    • 273 views
    • 
    • bruceb58
    • November 24

15. active aero shutters 1 2 3 4 5

    By H1ghlndr, June 23, 2020
    • 67 replies
    • 37.8k views
    • 
    • revrnd
    • November 23

16. Rear Window Leak and GM warranty warning 1 2

    By bowtie2007, March 18, 2022
    • 18 replies
    • 30k views
    • 
    • PESandoval
    • November 19

17. 2024 silverado 2500 turn signal noise

    By Tims72fte, November 19
    • 0 replies
    • 234 views
    • 
    • Tims72fte
    • November 19

18. OBD2 circuit, need to locate fuse.

    By JLeosnow, November 18
    • 2 replies
    • 301 views
    • 
    • JLeosnow
    • November 18

19. Running Lights go out when auto lights come on…

    By CoryP, June 28   

    • Running lights
    • electrical issue
    • (and 1 more)

      Tagged with:

      • Running lights
      • electrical issue
      • trailering system
    • 4 replies
    • 1.1k views
    • 
    • hankins1
    • November 17

20. key fob transmitter faulty? 1 2 3

    By FirstAscent, March 24, 2020
    • 39 replies
    • 37.9k views
    • 
    • revrnd
    • November 14

21. Errors with Flatbed Wiring

    By Crosley623, November 12
    • 0 replies
    • 147 views
    • 
    • Crosley623
    • November 12

22. 2021 Duramax, what the heck is this sound?

    By Bighig, November 9
    • 3 replies
    • 421 views
    • 
    • gemarsh
    • November 11

23. Rear Differential Clutch Lock up

    By Andy Casperson, November 10
    • 4 replies
    • 443 views
    • 
    • Andy Casperson
    • November 10

24. 2024 Turn Signals Not Working Properly at Times 1 2 3 4 7

    By jd64, May 21, 2023
    • 95 replies
    • 32.3k views
    • 
    • TyA
    • November 10

25. 2024 Brake controller Problems 1 2 3 4 13

    By Curt Lowe, May 10, 2023
    • 194 replies
    • 68.4k views
    • 
    • bruceb58
    • November 10

26. 2024 high country 13" ent system w/ bose - Audio not working

    By pedroericr, April 23
    • 13 replies
    • 3.6k views
    • 
    • H1ghlndr
    • November 7