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Thread: 2016 GMC Sierra crew cab 6.2L w/ A8 (8L80E) question

  1. #1
    Advanced Tuner
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    2016 GMC Sierra crew cab 6.2L w/ A8 (8L80E) question

    So I have the main shifting tables on the truck spot on where I want them, I noticed the other day though that I haven't addressed the Tow/Haul mode or the Manual "M" mode. Does anyone know which tables in the calibration correlate to those modes?

    Thanks in advance... Todd

  2. #2
    Advanced Tuner veee8's Avatar
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    Apr 2006
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    The Pattern "A" tables should be tow/haul, tap up tap down should be the manual mode.
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