Troubleshooting & Recalls

744 topics in this forum

1. WiFi hotspot problem and it fixed itself?

   By calgator73, April 13, 2017
   • 5 replies
   • 8.4k views
   • 
   • Theynine
   • June 8, 2022

2. Progressively Low fuel mileage

   By Butch59, May 27, 2022
   • 2 replies
   • 1.2k views
   • 
   • Grumpy Bear
   • May 29, 2022

3. Headlight harness losing voltage

   By Denali2500Indy, August 29, 2018
   • 2 replies
   • 4.2k views
   • 
   • Digdanger
   • May 7, 2022

4. 6L80 Transmission unusual behavior?

   By rviscuso, February 8, 2022   

   • 6l80
   • transmission
   • (and 4 more)

     Tagged with:

     • 6l80
     • transmission
     • lock
     • unlock
     • tcc
     • lurching
   • 13 replies
   • 23.4k views
   • 
   • rviscuso
   • May 3, 2022

5. Radio fan stays on

   By Andrew18, April 28, 2022   

   • Radio
   • duramax
   • (and 6 more)

     Tagged with:

     • Radio
     • duramax
     • 2018
     • Silverado
     • head unit
     • fan
     • noise
     • after key off
   • 0 replies
   • 2.2k views
   • 
   • Andrew18
   • April 28, 2022

6. Battery Amp Meter

   By ame2entre, April 3, 2022
   • 7 replies
   • 4k views
   • 
   • ame2entre
   • April 13, 2022

7. Help with truck wiring for rv

   By whosgregm, March 24, 2022
   • 0 replies
   • 1k views
   • 
   • whosgregm
   • March 24, 2022

8. 2017 GMC Sierra 3500hd bumpy

   By whosgregm, March 22, 2022
   • 1 reply
   • 1k views
   • 
   • CamGTP
   • March 22, 2022

9. After new battery, driver's window won't work.

   By Dennis Hoover, March 18, 2022
   • 0 replies
   • 951 views
   • 
   • Dennis Hoover
   • March 18, 2022

10. Service 4WD and CAL on Gear readout after boosting dead battery on 2015 Sierra

    By ViaSpiga10, March 2, 2022
    • 0 replies
    • 2.2k views
    • 
    • ViaSpiga10
    • March 2, 2022

11. 17 Sierra Denali Cab Water Leak. Fixed! Finally!

    By 17DENALIHD16, February 28, 2022
    • 0 replies
    • 1.3k views
    • 
    • 17DENALIHD16
    • February 28, 2022

12. Exhaust sensors

    By Jim nelson, February 14, 2022
    • 0 replies
    • 765 views
    • 
    • Jim nelson
    • February 14, 2022

13. Starter says engaged with key out of the truck

    By JSD Productions, February 13, 2022   

    • starter?
    • 0 replies
    • 1.2k views
    • 
    • JSD Productions
    • February 13, 2022

14. 2017 Silverado HD - both high beams not working

    By monty cardano, January 29, 2022
    • 3 replies
    • 13k views
    • 
    • newdude
    • February 7, 2022

15. Key Fob Programming Issue

    By DenisTheMenace, January 23, 2022
    • 0 replies
    • 948 views
    • 
    • DenisTheMenace
    • January 23, 2022

16. Overcharging or Ground Issue?! Truck going haywire

    By Doctor Cowen, January 8, 2022
    • 3 replies
    • 5k views
    • 
    • doverarjim
    • January 9, 2022

17. Oil pressure

    By Tony prinzi, January 7, 2022
    • 4 replies
    • 1.4k views
    • 
    • JimCost2014
    • January 7, 2022

18. Battery drain with no key start but starts with remote start

    By FFchevy38, January 4, 2022
    • 2 replies
    • 2.2k views
    • 
    • FFchevy38
    • January 4, 2022

19. DEF Gauge Issues, questions.

    By Josh W, December 30, 2016   

    • def
    • 8 replies
    • 28.4k views
    • 
    • Ted S
    • January 4, 2022

20. 18" wheel swap from 20" for winter

    By Todd Ruddock, January 3, 2022
    • 0 replies
    • 849 views
    • 
    • Todd Ruddock
    • January 3, 2022

21. 18" wheel swap from 20" for winter

    By Todd Ruddock, January 3, 2022
    • 0 replies
    • 618 views
    • 
    • Todd Ruddock
    • January 3, 2022

22. Random no start 2019 Duramax

    By doverarjim, April 17, 2021
    • 7 replies
    • 9.5k views
    • 
    • redwngr
    • December 26, 2021

23. Roof leak- Cab Lights or Onstar/XM Antenna?

    By fjtort2, February 16, 2016
    • 11 replies
    • 16.1k views
    • 
    • cinci5
    • December 25, 2021

24. Coolant leak 1 2

    By Tyjames80, December 22, 2017   

    • 6.6l duramax
    • gmc
    • 29 replies
    • 82.2k views
    • 
    • Supreme Pizza
    • December 20, 2021

25. 2015 Silverado 2500HD 6.0 slips out of gear when driving

    By Oleg, December 14, 2021
    • 0 replies
    • 1.7k views
    • 
    • Oleg
    • December 14, 2021