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Troubleshooting, Warranty & Recalls

The help desk. Diagnose Google Built-In glitches, transmission shudder, check engine lights, and discuss warranty claims.

3,465 topics in this forum

  1. How to keep chrome tips looking good

    By RPaul,
    • 8 replies
    • 1.3k views

  2. 2020 5.3 V8, 8 speed. Will the transmission actually last? 1 2

    By Jmoss17,
    • 20 replies
    • 37.9k views

  3. Don't run naked diesel 1 2

    By fireaxxe,
    • 19 replies
    • 12.3k views

  4. Question in regards to chip shortage.

    By WeGone,
    • 8 replies
    • 1.1k views

  5. Code: 20-NA-155

    By RSVolcom,
    • 3 replies
    • 2.3k views

  6. 2019 GMC 3500HD Radio

    By MPH 3500,
    • 1 reply
    • 490 views

  7. Apple CarPlay

    By Zack562,
    • 4 replies
    • 889 views

  8. Customer satisfaction program N202309631 1 2

    By Brad Holleran,
    • 15 replies
    • 7.4k views

  9. Triple honk, with fob where it should be.

    By Atlas,
    • 4 replies
    • 1.2k views

  10. Looking for the ABS harness connector/pigtail to repair my setup

    By cubangt,
    • 9 replies
    • 12.2k views

  11. Back glass leaking water

    By DJ LOUVIERE,
    • 2 replies
    • 3.3k views

  12. 2020 Sierra 1500 Jerks After Full Stop

    By adionline,
    • 2 replies
    • 2.6k views

  13. 2021 GMC Sierra AT4

    By Maria G Martinez,
    • 1 reply
    • 878 views

  14. 3.0L Duramax Service DEF System Light

    By sethro274,
    • 7 replies
    • 45.1k views

  15. maximum startup volume settings

    By billa355,   
    • 3 replies
    • 3k views

  16. 2021 Paint Issues

    By RBowser,
    • 5 replies
    • 10.9k views

  17. Exact build date

    By Randy Sanchez,
    • 4 replies
    • 12.6k views

  18. Kicker tailgate speaker troubleshooting

    By Toobit,
    • 7 replies
    • 47.4k views

  19. 2021 2.7L driveline issues

    By praterkeith,
    • 1 reply
    • 1.1k views

  20. How to safely lift the front end of the truck so both wheels are off the ground enough to turn freely

    By cubangt,
    • 7 replies
    • 1.8k views

  21. New 2021 Sierra 1500 SLT with Major Mechanical Issues Already, what should I do?

    By dwpearl03,
    • 12 replies
    • 7.9k views

  22. Rubbing "creek" sound while turning steering wheel...not tires

    By fireaxxe,
    • 4 replies
    • 12.7k views

  23. Is the factory bezel around the headlights on a 2017 1500 held in place by the tabs and double-sided tape?

    By cubangt,
    • 2 replies
    • 589 views

  24. Shift to park

    By Timw31,
    • 1 reply
    • 2.5k views

  25. Dumb spare key for 2019? 1 2

    By Philipgonzales3,
    • 18 replies
    • 16.3k views
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