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Thread: E38 TAC Chip Access (Throttle Opening Rates) ??

  1. #1
    Tuner in Training PHLTHS's Avatar
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    Dec 2015
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    E38 TAC Chip Access (Throttle Opening Rates) ??

    Hi All

    Just wanted to see if HPT have finally gained access to the TAC chip in the E38 ECM?

    I was told by a friend that HPT where trying to make these tables accessible but that was a while ago.

    As most know if you tinker with the throttle opening rates and if they differ by more then 3% from what the TAC chip is set to, it'll throw a code.


    Thanks in advanced.
    HSV W427

  2. #2
    Advanced Tuner
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    To solve the DTC problem: Edit -> Add slave segment is what you're looking for, it adds 2 tables under Engine Diagnostics -> Airflow related to P1516. Good info in this thread: https://forum.hptuners.com/showthrea...l=1#post479007
    ~Erik~
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