2020+ Silverado HD & Sierra HD Troubleshooting

621 topics in this forum

1. Radio freezing up 2023 2500HD LT

   By Mass2500HD, June 6
   • 3 replies
   • 791 views
   • 
   • GMCustomerService
   • June 13

3. Weird infotainment screen glitch

   By Pryme, June 9
   • 7 replies
   • 702 views
   • 
   • Jettech1
   • June 12

4. Trailer Right Turn/Brake light not working.

   By Axtell, June 9
   • 3 replies
   • 380 views
   • 
   • Axtell
   • June 9

5. 2020 Chevrolet 2500 hd electronic and ac problems

   By Kyle Prater, June 4
   • 0 replies
   • 488 views
   • 
   • Kyle Prater
   • June 4

6. Torsion bar help 23’ custom diesel

   By bryant87, June 4
   • 0 replies
   • 345 views
   • 
   • bryant87
   • June 4

7. "please supply password to continue to use connected services" Does anyone know if this is onstar or something else?

   By GMC4Zee, May 29
   • 5 replies
   • 627 views
   • 
   • shadow gray 2020 hd
   • June 3

8. 6.6 Gas Check Engine Light

   By Stand By, May 23
   • 9 replies
   • 873 views
   • 
   • GMCustomerService
   • June 1

9. Metallic slap, chirp type of noise

   By kylant, May 16
   • 6 replies
   • 771 views
   • 
   • kylant
   • June 1

10. jimbo1

    By jimbo1, May 15
    • 1 reply
    • 357 views
    • 
    • Crazy Canuck
    • May 29

11. TPMS low pressure alert perplexion

    By Maninthesea, January 28
    • 10 replies
    • 1.1k views
    • 
    • sabre364
    • May 27

12. Tailgate dampener failure?

    By Pryme, May 22
    • 2 replies
    • 373 views
    • 
    • Jettech1
    • May 23

13. 2021 GMC Sierra 2500HD 6.6 duramax

    By Calvin Gray, May 17
    • 1 reply
    • 413 views
    • 
    • Brianibew
    • May 18

14. Power Steering Noise- started at 100 miles! 1 2

    By Limelight, February 4, 2020
    • 24 replies
    • 21.9k views
    • 
    • Dunn
    • May 15

15. 2023 Chevy 2500 help

    By Npd15, May 5
    • 9 replies
    • 871 views
    • 
    • Dunn
    • May 14

16. 2023 Chevy Silverado 2500HD clunk 1 2

    By Just Mike, March 18
    • 29 replies
    • 2.1k views
    • 
    • Pryme
    • May 12

17. 2020 AT4 HD parking sensors and blind spot not working

    By Wellarmedlamb, April 16
    • 5 replies
    • 1.2k views
    • 
    • Wellarmedlamb
    • May 11

18. Weak Windshield 1 2

    By Dr1ft3r, April 24
    • 20 replies
    • 1.4k views
    • 
    • Pryme
    • May 10

19. 2021 GMC Sierra 2500 Denali HD Tow Mirror - Issues 1 2

    By 2021GMCLP5, September 22, 2022
    • 21 replies
    • 4.6k views
    • 
    • 2021GMCLP5
    • May 5

20. Low Oil Message 1 2 3

    By bigman32hockey, November 14, 2020
    • 36 replies
    • 12k views
    • 
    • KARNUT
    • April 29

21. Multipro Tailgate Working Backwards. 1 2

    By Wellarmedlamb, April 17
    • 15 replies
    • 1.2k views
    • 
    • Wellarmedlamb
    • April 22

22. 2023 2500 6.6 GAS fuel overflowing when filling up

    By Kevin Wanczyk, April 17
    • 7 replies
    • 674 views
    • 
    • newdude
    • April 19

23. 2020 GMC AT4 - Won't start, won't even attempt to turn over 1 2 3

    By CO 2020 GMC AT4, February 20, 2020
    • 35 replies
    • 41.6k views
    • 
    • GMCustomerService
    • April 13

24. burned out complete front end differential 1 2

    By hotairgypsy, April 3
    • 16 replies
    • 2k views
    • 
    • Pryme
    • April 10

25. No Trailer Connected Issue 1 2

    By Leon Baehre, March 7, 2020
    • 21 replies
    • 31.2k views
    • 
    • Jettech1
    • April 10

26. Brand New truck did not pass CA smog

    By kylant, September 1, 2020
    • 13 replies
    • 4.1k views
    • 
    • ppvsteve
    • April 7