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Thread: TH400 Kickdown

  1. #1
    Potential Tuner
    Join Date
    Dec 2007
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    3

    TH400 Kickdown

    Is there anyway to program the pcm to activate the kickdown on a TH400? I have an 04 with DBW so I cant use the normall throttle switch, and I dont have room for one on the gas pedal (its in a toyota space is very limited).

  2. #2
    Senior Tuner
    Join Date
    Jul 2004
    Posts
    1,579
    Depending on the enigne, is it an LS1 or LS2, I would switch to a Cable Throttle Body. Unless you want to get creative and wire up a solenoid that can activate the kickdown once a set voltage is seen from the ETC harness?

  3. #3
    Advanced Tuner Programmer's Avatar
    Join Date
    Jul 2007
    Posts
    244
    Get creative with the lockup commands. You can use that circuit to command 2nd gear 'kickdown' for the THM400.