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Thread: How do Convert E80 ECM from Automatic to Manual Transmission

  1. #1
    Advanced Tuner
    Join Date
    Oct 2010
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    How do Convert E80 ECM from Automatic to Manual Transmission

    Is there a way to replace the E80 Automatic code withe the Manual transmission code and keep the same VIN?
    I have the ECM code for both downloaded.
    I can't get SEGMENTS SWAP to high light. Not sure that is a valid path.

    #### The engine, ECM, wiring harness, are 2017 Cruze Premier aluminum LE2, Gen 2. The Transmission is T5.
    I've done this swap with the Gen 1 E78 and just attached the VSS wires to the same pins the Manual E78 used.
    I do not re code from Auto to Manual.

    The E80 I know very little about. ####

    2023-06-19 I got the ECM to think the vehicle was moving, which was all I really need t do. I tapped into the Cam Position Sensor signal wire and installed that in the VSS input pin. Then by "manipulating the Speedometer settings the MPH now is close to what the actual speed would be in 4the gear of my autocross setup. 6000 RPM equals 60 MPH.

    Life is good.
    Last edited by sprinto7; 06-19-2023 at 02:40 PM. Reason: Update 2

  2. #2
    Advanced Tuner
    Join Date
    Aug 2016
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    386
    It's doubtful you can do this with hpt. You'd have to find a specialist that could do this for you.

  3. #3
    Senior Tuner TheMechanic's Avatar
    Join Date
    Jan 2014
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    SoCal
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    1,562
    This may answer some of your questions.
    https://forum.hptuners.com/showthrea...onversion-help