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2015-2019 Silverado & Sierra HD Troubleshooting

A central location to report any issues or asking for help troubleshooting any problems with your 2015-2019 Chevrolet Silverado HD or GMC Sierra HD. Also recall announcements and Technical Service Bulletins (TSB)

443 topics in this forum

  1. duramax transmission running warm

    By retired,   
    • 3 replies
    • 167 views

  3. Time for head gaskets....

    By 20Bowtie14,
    • 4 replies
    • 91 views

  4. Reductant heater and supply code

    By Rodney Chambers,
    • 1 reply
    • 44 views

  5. Transmission Troubles

    By RTSGS57,
    • 9 replies
    • 455 views

  6. Crazy door locks

    By DmaxHugh,
    • 4 replies
    • 85 views

  7. Battery question

    By magic marouke,
    • 4 replies
    • 671 views

  8. Odd hesitation on 2015 Sierra 2500 6.0L

    By AbzDad,
    • 13 replies
    • 427 views

  9. Horn

    By Timbers,
    • 13 replies
    • 628 views

  10. Dash Cluster not working 2015 sierra 2500 Denali

    By KJS Sullivan,   
    • 5 replies
    • 8,649 views

  11. DRAMAX High idle

    By RACERX4772,
    • 3 replies
    • 143 views

  12. KEY PROGRAMMING

    By Maria Wolfe,
    • 3 replies
    • 141 views

  13. Cold motor, low throttle lunging

    By Hoginedgewood,
    • 1 reply
    • 151 views

  14. apps for my 2015 silverado

    By Kiteflyer,
    • 1 reply
    • 122 views

  15. 2015 silverado duramax diesel

    By Kyres3,
    • 3 replies
    • 212 views

  16. Coolant leak 1 2

    By Tyjames80,   
    • 22 replies
    • 12,727 views

  17. Trailer brake alert?

    By ron mexico75,
    • 7 replies
    • 369 views

  18. 2016 Duramax cold start electrical issue

    By Per_Haugland,
    • 0 replies
    • 123 views

  19. Ongoing vibration

    By David Gethers,   
    • 4 replies
    • 263 views

  20. Vibration 2017 3500 Hd duramax 4X4

    By Paketl,
    • 10 replies
    • 3,421 views

  21. Flashing check engine light

    By p3pilot,
    • 1 reply
    • 180 views

  22. 2015 2500 HD Air Conditioning problem

    By OhioFarmer,
    • 10 replies
    • 813 views

  23. All warning lights on

    By DBeau,
    • 5 replies
    • 1,014 views

  24. Brand new 2016 2500HD Allison Extremely hard shifts 1 2

    By Palazzoblues,
    • 21 replies
    • 12,455 views

  25. Lifter

    By Edward M,
    • 0 replies
    • 110 views

  26. Door lock problem

    By ron mexico75,
    • 1 reply
    • 131 views


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