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Thread: 2009 Mustang V6 Auto to Manual transmission swap

  1. #1

    2009 Mustang V6 Auto to Manual transmission swap

    Hey guys, I have a customer with a 2009 Mustang V6 Automatic, who has recently swapped to a manual transmission out of a 2006 Mustang. He is wanting us to reflash the car to eliminate the engine codes and calibrate the speedometer. The car is driving ok, but has some issues where it limits the rpm in curtain gears at curtain times because it thinks there is still an auto transmission there. He did keep the pcm out of the 2006 Manual car as an option to use as well. Would it be better to switch to that pcm?
    I was just wondering if anyone has any input to go about reflashing the car to make everything work.

    Thanks in advance
    Shawn

  2. #2
    Advanced Tuner skylinedan's Avatar
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    Sep 2019
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    Toledo Ohio
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    224
    You could go in and disable the auto trans, but your still gonna have to dial in the speedo.