2015-2019 Silverado & Sierra HD Troubleshooting

688 topics in this forum

1. Transmission options

   By Chevyfan3, March 22
   • 12 replies
   • 338 views
   • 
   • 64BAwagon
   • March 24

3. Power steering control module

   By fdscottiv, March 16
   • 0 replies
   • 126 views
   • 
   • fdscottiv
   • March 16

4. 2015 GMC 2500HD Growling noise from front end from 30-55KM/H

   By Gumbys69, March 15
   • 0 replies
   • 134 views
   • 
   • Gumbys69
   • March 15

5. Reverse/Cargo lights not coming on when unlocking truck with remote

   By Skylinezz, March 7
   • 1 reply
   • 242 views
   • 
   • GMCustomerService
   • March 8

6. 2019 L5P Unresolved Issues

   By Chris828, May 27, 2021
   • 8 replies
   • 5.5k views
   • 
   • GMCustomerService
   • March 8

7. Right blinker randomly comes on & wont stop

   By Williamj, February 17
   • 0 replies
   • 216 views
   • 
   • Williamj
   • February 17

8. Radio Failure

   By scapyard123, February 15
   • 0 replies
   • 258 views
   • 
   • scapyard123
   • February 15

9. Truck rolls in park

   By Z71 CC LB, February 16, 2016
   • 14 replies
   • 11.8k views
   • 
   • Silverado4x4
   • February 13

10. Failure - Radio or HMI Module (or both?)

    By agraves138, February 10
    • 1 reply
    • 449 views
    • 
    • newdude
    • February 11

11. Electrical issues??

    By Silverado29, February 6
    • 0 replies
    • 308 views
    • 
    • Silverado29
    • February 6

12. What’s this plug for ?

    By RTOM, February 1
    • 1 reply
    • 236 views
    • 
    • newdude
    • February 1

13. Vibration on new 3500HD, Just tires? Or worse? 1 2 3 4

    By bimmerboy318, March 28, 2019
    • 48 replies
    • 16.9k views
    • 
    • Flying_Norseman
    • February 1

14. Towing mirror running lights not working

    By Justinriek40, September 6, 2020
    • 10 replies
    • 11.7k views
    • 
    • newdude
    • January 27

15. 2015 GMC Sierra 6.2 P0308 Misfire Cylinder 8 CANT FIGURE IT OUT 1 2 3

    By The Pig Dusters, October 8, 2022   

    • GMC
    • misfire
    • (and 1 more)

      Tagged with:

      • GMC
      • misfire
      • p0308
    • 35 replies
    • 5.3k views
    • 
    • The Pig Dusters
    • January 18

16. Instrument Cluster

    By Doug...RI, December 29, 2022
    • 8 replies
    • 683 views
    • 
    • newdude
    • January 16

17. Clack Noise Upon Shift...Allison

    By agraves138, January 5
    • 0 replies
    • 353 views
    • 
    • agraves138
    • January 5

18. Steering wheel shimmy

    By Jcb210, December 30, 2018
    • 11 replies
    • 7.4k views
    • 
    • Cody31
    • January 4

19. Window switch not working

    By Robert Pace, May 15, 2021
    • 4 replies
    • 1.8k views
    • 
    • GOMD
    • December 17, 2022

20. Exterior cargo lights on while driving.

    By TheLensman, December 6, 2022
    • 0 replies
    • 439 views
    • 
    • TheLensman
    • December 6, 2022

21. High pitch noise at 35mph when cold

    By Justin Shuma, November 19, 2022
    • 1 reply
    • 631 views
    • 
    • GMCustomerService
    • November 28, 2022

22. 2015 chevy 2500 hd 6.0

    By Sandman22699, November 28, 2022
    • 1 reply
    • 625 views
    • 
    • Sandman22699
    • November 28, 2022

23. Brake controller ?

    By GrandPuisance14, November 19, 2022
    • 7 replies
    • 692 views
    • 
    • GrandPuisance14
    • November 22, 2022

24. Led upgrade problem

    By bsabins, November 20, 2022
    • 6 replies
    • 633 views
    • 
    • It's Tim
    • November 21, 2022

25. 2019 GMC 2500 reverse wire location

    By massbowtie, November 16, 2022
    • 0 replies
    • 479 views
    • 
    • massbowtie
    • November 16, 2022

26. Dash rattle coming from passenger side

    By Washburnvincent, February 12, 2022
    • 2 replies
    • 2.2k views
    • 
    • GMCustomerService
    • November 14, 2022