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Thread: CTS-V TH400 Swap

  1. #1
    Tuner in Training
    Join Date
    Jul 2016
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    20

    CTS-V TH400 Swap

    2013 CTS-V
    Lvl 5 TH400, Manual reverse valve body.

    How can I get Vehucle speed to read on the cluster. Anyway to change the Input from Speed sensor on trans to ABS sensor in hpt?

  2. #2
    Advanced Tuner
    Join Date
    Feb 2010
    Posts
    400
    You need to setup the pcm as a manual, then put the v.s.s directly to the pcm, as per manual pinouts.

  3. #3
    Tuner in Training
    Join Date
    Jul 2016
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    20
    It was originally a manual car....

  4. #4
    Tuner in Training
    Join Date
    Jul 2016
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    20
    The Th400 doesn't have a vss, looking to get the cluster to read from the Wheel Speed sensors

  5. #5
    Tuner
    Join Date
    Apr 2013
    Location
    western mass
    Posts
    142
    you can add a speed sensor and reluctor wheel to the 400 I'm running it in my f body on vacation right now so I don't have all the info on what I used but its google searchable I found the 40 tooth reluctor that fit the 400 output shaft and pressed it on and used a tail housing from a mid 90s truck ( I think )
    95 z28 with 6.0, 243's milled .030 to about 11:1, ls6 intake and tb, brian tooley stage 3 231/242 617/593 112 lsa , fast/ areomotive fuel system, 1 7/8 tsp longtubes, no cats, turbo 400, 36 lbs GTP injectors

  6. #6
    Potential Tuner
    Join Date
    Jun 2017
    Posts
    6
    Anyone ever figure this out?