Troubleshooting, Warranty & Recalls

3,465 topics in this forum

1. 2020 Silverado sway bar hitting CV axle

   By MisterEhEDC, February 19, 2023   

   • sway bar
   • Silverado
   • (and 4 more)

     Tagged with:

     • sway bar
     • Silverado
     • 1500
     • cv axle
     • trailboss
     • at4
   • 13 replies
   • 17.4k views
   • 
   • MisterEhEDC
   • May 19, 2024

2. 2020 Silverado tailgate won’t open fix

   By GMjunk, December 24, 2022
   • 2 replies
   • 2k views
   • 
   • Transient
   • March 12, 2023

3. 2020 Silverado TPMS sensor replacement question.

   By nolte, June 16, 2024
   • 5 replies
   • 6.8k views
   • 
   • nolte
   • June 19, 2024

4. 2020 Silverado Trail Boss - switches to sport modes, trailer towing mode, 4wd high and 4wd low on its own. Dealership is stumped

   By wacnstac, January 30
   • 10 replies
   • 830 views
   • 
   • Jay P
   • March 5

5. 2020 Silverado Trail Boss Infotainment screen freezes/goes black

   By Andrew F, February 11, 2020
   • 13 replies
   • 21.4k views
   • 
   • Yfz43gmc
   • April 12, 2021

6. 2020 Silverado trailer brakes not working.

   By Brummie99, April 2, 2024
   • 8 replies
   • 6k views
   • 
   • Brummie99
   • April 17, 2024

7. 2020 Silverado USB and Power outlet not working

   By FirefighterJoe, February 7, 2023
   • 3 replies
   • 6.9k views
   • 
   • GMCustomerService
   • February 8, 2023

8. 2020 Silverado wind noise

   By Black Widow 1957, March 14, 2022
   • 1 reply
   • 1.3k views
   • 
   • marpel
   • March 14, 2022

9. 2020 Silverado Z51 Trail Boss ran into a puddle at 35mph. Now truck is hydrolocked 1 2

   By pureskull, December 22, 2021
   • 22 replies
   • 11.7k views
   • 
   • swathdiver
   • December 27, 2021

10. 2020 Silverado Z71 RST Screen Black out on Selecting Trailering App

    By NB_one, October 31, 2020
    • 8 replies
    • 7.5k views
    • 
    • buelldude
    • November 14, 2022

11. 2020 silverado- protrusion on bottom of mirror

    By Randy Dykes, August 31, 2020
    • 3 replies
    • 4.9k views
    • 
    • 19 Denali ultimate
    • September 9, 2020

12. 2020 Silverado-window noise/groan when wet?

    By jtlans, January 9, 2022
    • 6 replies
    • 4.3k views
    • 
    • Donald Mcconaughey
    • December 1, 2023

13. 2020 Silverado/Trailboss Questions

    By mistaare, October 7, 2019
    • 3 replies
    • 1.5k views
    • 
    • Sjordan
    • November 7, 2019

14. 2020 SLT brake pedal vibration & AC noise HELP

    By Sierra20-20, June 25, 2020
    • 5 replies
    • 7.2k views
    • 
    • Thejet07
    • March 30, 2021

15. 2020 SLT mirrors are possesed

    By JAEDEE, March 4, 2022
    • 2 replies
    • 771 views
    • 
    • JAEDEE
    • April 6, 2022

16. 2020 SLT SIERRA TRANSMISSION PROBLEMS!

    By Jake H., May 14, 2020
    • 4 replies
    • 11.1k views
    • 
    • bjr2020 6.2
    • September 26, 2020

17. 2020 Tailgate Release "Frozen"

    By Rob Mugs, September 19, 2020
    • 0 replies
    • 719 views
    • 
    • Rob Mugs
    • September 19, 2020

18. 2020 TB Exhaust Leak?

    By ZimmTruck, March 11, 2020
    • 1 reply
    • 6.6k views
    • 
    • twigs9200
    • December 27, 2020

19. 2020 TBC idle issues

    By Boss2020, February 29, 2020
    • 0 replies
    • 423 views
    • 
    • Boss2020
    • February 29, 2020

20. 2020 Trail Boss 6.2l Towing

    By jrobb30, March 30, 2020
    • 8 replies
    • 9.9k views
    • 
    • JohnMr19
    • May 28, 2020

21. 2020 Trail Boss Blowing a/c full on remote start, how can I adjust this?

    By mikus, November 19, 2020   

    • Climate control
    • remote start
    • 4 replies
    • 3.5k views
    • 
    • mikus
    • November 19, 2020

22. 2020 trail boss click noise in rear

    By Dubtrailboss, February 10, 2023
    • 1 reply
    • 859 views
    • 
    • GMCustomerService
    • February 17, 2023

23. 2020 Trail boss DFM shudder 1 2 3

    By Therealnpp, April 15, 2020
    • 32 replies
    • 30.2k views
    • 
    • ajs800
    • September 9, 2021

24. 2020 Trail Boss Door Panel Trim Loose

    By Devinl1231, May 25, 2020
    • 0 replies
    • 1.2k views
    • 
    • Devinl1231
    • May 25, 2020

25. 2020 Trail Boss highway vibration

    By mikewz71, April 10, 2024
    • 10 replies
    • 7.9k views
    • 
    • mikewz71
    • April 15, 2024