2015-2019 Silverado & Sierra HD Troubleshooting

732 topics in this forum

1. After fueling, and ONLY after fueling, truck starts hard.

   By Red Blocker, August 3, 2022   

   • startup
   • cranking
   • (and 2 more)

     Tagged with:

     • startup
     • cranking
     • vapor
     • sensor
   • 3 replies
   • 874 views
   • 
   • asilverblazer
   • August 3, 2022

3. Parking Brake

   By Skeld, July 21, 2022
   • 0 replies
   • 700 views
   • 
   • Skeld
   • July 21, 2022

4. Remote Tailgate lock/unlock actuator not working

   By 69velle, December 10, 2020
   • 1 reply
   • 4.4k views
   • 
   • loganriggs
   • July 18, 2022

5. Service 4WD 1 2

   By ShotgunZ71, August 4, 2017
   • 15 replies
   • 25.5k views
   • 
   • kamili williamson
   • July 16, 2022

6. 3rd brake light issue

   By Countrys1500GMC, July 8, 2022
   • 3 replies
   • 831 views
   • 
   • GMCustomerService
   • July 15, 2022

7. Issues with 2015 silverado 2500hd

   By ryanhardy, January 20, 2021
   • 4 replies
   • 4.1k views
   • 
   • kgkern01
   • July 6, 2022

8. Factory Battery life

   By GMCrat, January 17, 2022
   • 12 replies
   • 7.9k views
   • 
   • revrnd
   • June 28, 2022

9. Several Codes Help Diagnose

   By Ryan Darrington, January 30, 2021
   • 1 reply
   • 3.6k views
   • 
   • dragstang86
   • June 21, 2022

10. U1510 then p059f

    By Rocky Horn, June 17, 2022   

    • Active grill shutters
    • 2 replies
    • 5.5k views
    • 
    • Rocky Horn
    • June 19, 2022

11. WiFi hotspot problem and it fixed itself?

    By calgator73, April 13, 2017
    • 5 replies
    • 7.6k views
    • 
    • Theynine
    • June 8, 2022

12. Progressively Low fuel mileage

    By Butch59, May 27, 2022
    • 2 replies
    • 1k views
    • 
    • Grumpy Bear
    • May 29, 2022

13. Headlight harness losing voltage

    By Denali2500Indy, August 29, 2018
    • 2 replies
    • 3.7k views
    • 
    • Digdanger
    • May 7, 2022

14. 6L80 Transmission unusual behavior?

    By rviscuso, February 8, 2022   

    • 6l80
    • transmission
    • (and 4 more)

      Tagged with:

      • 6l80
      • transmission
      • lock
      • unlock
      • tcc
      • lurching
    • 13 replies
    • 15.1k views
    • 
    • rviscuso
    • May 3, 2022

15. 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
    • 1.6k views
    • 
    • Andrew18
    • April 28, 2022

16. Battery Amp Meter

    By ame2entre, April 3, 2022
    • 7 replies
    • 2.4k views
    • 
    • ame2entre
    • April 13, 2022

17. Help with truck wiring for rv

    By whosgregm, March 24, 2022
    • 0 replies
    • 923 views
    • 
    • whosgregm
    • March 24, 2022

18. 2017 GMC Sierra 3500hd bumpy

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

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

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

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

    By ViaSpiga10, March 2, 2022
    • 0 replies
    • 1.9k views
    • 
    • ViaSpiga10
    • March 2, 2022

21. 17 Sierra Denali Cab Water Leak. Fixed! Finally!

    By 17DENALIHD16, February 28, 2022
    • 0 replies
    • 1.1k views
    • 
    • 17DENALIHD16
    • February 28, 2022

22. Exhaust sensors

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

23. Starter says engaged with key out of the truck

    By JSD Productions, February 13, 2022   

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

24. 2017 Silverado HD - both high beams not working

    By monty cardano, January 29, 2022
    • 3 replies
    • 9k views
    • 
    • newdude
    • February 7, 2022

25. Key Fob Programming Issue

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

26. Overcharging or Ground Issue?! Truck going haywire

    By Doctor Cowen, January 8, 2022
    • 3 replies
    • 3.5k views
    • 
    • doverarjim
    • January 9, 2022