2015-2019 Silverado & Sierra HD Troubleshooting

720 topics in this forum

1. Consistent Low Coolant Warnings 1 2

   By enmity02, April 28, 2017
   • 16 replies
   • 139.4k views
   • 
   • Mike Blondin
   • April 9, 2021

3. Trailer Brakes Not Working 1 2

   By SouthpawHD, May 8, 2016
   • 28 replies
   • 99.3k views
   • 
   • paddykean
   • July 6, 2017

4. 2015 Chevy 2500HD Diesel Exhaust Problems 1 2 3

   By Marioaguirre, May 12, 2016
   • 36 replies
   • 78.1k views
   • 
   • Bruins123
   • January 22, 2020

5. Remote lock and unlock problem... 1 2 3

   By Mike Hamm, March 10, 2017   

   • 2016
   • denali
   • (and 8 more)

     Tagged with:

     • 2016
     • denali
     • gmc
     • sierra
     • 2500hd
     • 4x4
     • diesel
     • remote
     • lock
     • unlock
   • 34 replies
   • 71.5k views
   • 
   • Mustafa ali
   • April 14, 2023

6. Charging system 1 2

   By Leone1662, April 12, 2018
   • 26 replies
   • 69.1k views
   • 
   • GMCustomerService
   • September 30, 2022

7. Gps..Red X....No Compass

   By jerryw1000, November 9, 2015
   • 10 replies
   • 67.7k views
   • 
   • EJCarter
   • January 15, 2020

8. 2015 GMC 2500HD CrewCab Duramax Vibration... 1 2 3 4 7

   By BGriffin9, September 14, 2014
   • 102 replies
   • 64.4k views
   • 
   • toomanyhobbies
   • July 19, 2017

9. My link voice commands not work for phone 1 2 3

   By Bill Wong, May 16, 2017   

   • dialing by name
   • phone
   • (and 3 more)

     Tagged with:

     • dialing by name
     • phone
     • voice commands
     • pardon
     • who would you like to call
   • 35 replies
   • 63.2k views
   • 
   • Alax78
   • November 28, 2023

10. Hood open warning and theft attempt warning

    By 4wdriver, March 25, 2017
    • 14 replies
    • 62.5k views
    • 
    • newdude
    • October 21, 2021

11. Coolant leak 1 2

    By Tyjames80, December 22, 2017   

    • 6.6l duramax
    • gmc
    • 29 replies
    • 62.3k views
    • 
    • Supreme Pizza
    • December 20, 2021

12. 2015 Silverado 2500HD with vibration problems... 1 2 3 4 5

    By cjackg, April 18, 2014
    • 62 replies
    • 62.1k views
    • 
    • oldy800
    • November 16, 2017

13. 2015 2500HD transmission problems 1 2

    By EM1, April 7, 2015
    • 27 replies
    • 61.6k views
    • 
    • Bpo
    • November 27, 2019

14. 2017 Duramax 837 miles and broken down at the dealer 1 2 3 4 6

    By Nick438w, January 7, 2017
    • 80 replies
    • 56.7k views
    • 
    • Atvriderjd
    • March 5, 2017

15. Error code p21dd

    By rcmike, April 16, 2018
    • 3 replies
    • 56.5k views
    • 
    • rcmike
    • April 22, 2018

16. Service power steering 1 2

    By fupa74, August 2, 2017   

    • 2017 silverado
    • 17 replies
    • 56k views
    • 
    • mdelano35
    • April 29, 2023

17. Wireless Charging Pad in 2016 Sierrra HD Console TOO SMALL!! 1 2 3 4 8

    By AUTOGUY, February 24, 2016
    • 108 replies
    • 55.4k views
    • 
    • 8lugCT
    • October 6, 2017

18. DEF Consumption 1 2 3

    By Ekordas, August 6, 2016
    • 31 replies
    • 50.6k views
    • 
    • BigWhiteMastadon
    • January 20, 2020

19. Tow/ Haul mode VS normal D 1 2

    By tripleb, February 4, 2017
    • 24 replies
    • 48.6k views
    • 
    • NevadaNick
    • January 26, 2019

20. Dash Cluster not working 2015 sierra 2500 Denali

    By KJS Sullivan, February 13, 2017   

    • dash cluster not working
    • 2015 denali dash cluster
    • 7 replies
    • 45k views
    • 
    • Whamsa
    • January 13, 2020

21. 2015 Duramax Oil Leak- 3500 miles 1 2 3

    By AdamD2C, August 1, 2015
    • 35 replies
    • 42.9k views
    • 
    • gearheadesw
    • June 26, 2019

22. My Link Software Updates/desired changes 1 2

    By CRApex, April 21, 2014   

    • my link
    • 24 replies
    • 41.6k views
    • 
    • JohnMD
    • November 17, 2016

23. Front suspension "rattle" 1 2

    By ewbldavis, December 2, 2017   

    • front rattle suspension
    • 21 replies
    • 38.6k views
    • 
    • Jackson Degner
    • October 5, 2021

24. Grinding noise in front end of truck 1 2

    By cedwards611, November 22, 2018   

    • rattling
    • metal
    • (and 3 more)

      Tagged with:

      • rattling
      • metal
      • grinding
      • accelerating
      • turning left
    • 23 replies
    • 38.6k views
    • 
    • Jambrose
    • March 4, 2020

25. Water leak

    By David12, February 15, 2018
    • 13 replies
    • 37k views
    • 
    • newdude
    • July 21, 2023

26. Diagnostic code p21dd

    By Car54, May 7, 2019
    • 7 replies
    • 35.2k views
    • 
    • silveradosid
    • April 22, 2021