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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)

676 topics in this forum

  1. High pitch noise at 35mph when cold

    By Justin Shuma,
    • 1 reply
    • 218 views

  3. 2015 chevy 2500 hd 6.0

    By Sandman22699,
    • 1 reply
    • 117 views

  4. Brake controller ?

    By GrandPuisance14,
    • 7 replies
    • 257 views

  5. 2019 L5P Unresolved Issues

    By Chris828,
    • 5 replies
    • 4.2k views

  6. Led upgrade problem

    By bsabins,
    • 6 replies
    • 189 views

  7. 2019 GMC 2500 reverse wire location

    By massbowtie,
    • 0 replies
    • 149 views

  8. Dash rattle coming from passenger side

    By Washburnvincent,
    • 2 replies
    • 1.2k views

  9. 2018 Silverado 3500 Duramax - Steering wheel randomly jerking/pulling/tugging while driving slow speeds

    By aratz,
    • 2 replies
    • 387 views

  10. Need advice

    By Jacob Dover,
    • 3 replies
    • 372 views

  11. 2019 GMC 2500 Denali 6.6

    By Nickbw,
    • 2 replies
    • 333 views

  12. 2015 GMC Sierra 6.2 P0308 Misfire Cylinder 8 CANT FIGURE IT OUT 1 2 3

    By The Pig Dusters,   
    • 33 replies
    • 1.7k views

  13. Towing mirror running lights not working

    By Justinriek40,
    • 6 replies
    • 9k views

  14. Heated mirrors

    By Doug22,
    • 0 replies
    • 331 views

  15. Dsm controll module

    By rbrown1957a,
    • 1 reply
    • 342 views

  16. Charging system 1 2

    By Leone1662,
    • 26 replies
    • 49.8k views

  17. 2017 2500 Denali HD Radio

    By Chief Redneck,
    • 1 reply
    • 302 views

  18. HELP! Intermittent acceleration issues @3000rpm

    By Zackdarden5,
    • 0 replies
    • 288 views

  19. Service trailer brake system/check trailer brake wiring FIXED!

    By zmnypit,
    • 6 replies
    • 26.5k views

  20. Drivers assist vibration not working either side of seat

    By Paul Trahon,
    • 4 replies
    • 455 views

  21. CAL error code on dash cannot reset

    By Scupper,
    • 3 replies
    • 435 views

  22. Difficulty opening tailgate on my 2016 gmc 3500

    By Sam Kleinbaum,
    • 0 replies
    • 256 views

  23. Dash lit up like a Christmas tree.....bad ground?

    By Offcamber,
    • 2 replies
    • 414 views

  24. Odd hesitation on 2015 Sierra 2500 6.0L 1 2

    By AbzDad,
    • 15 replies
    • 6.5k views

  25. 2018 Silverado High Country wireless charger not working!!

    By Tom Schaech,
    • 2 replies
    • 635 views

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

    By Red Blocker,   
    • 3 replies
    • 410 views


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