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Thread: Mechanic put a 2011 trans in a 2010 CX-9...no shift

  1. #1
    Ron in Lakeville

    Mazda CX-9 2010 Touring

    Join Date
    Dec 2018
    Location
    Lakeville, MN
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    1

    Smile Mechanic put a 2011 trans in a 2010 CX-9...no shift

    Have 2010 CX-9 Grand Touring. Bought it new. Has 130K miles. PTU went out taking the trans with it.

    Mechanic put a 2011 tranny in the CX9 and now it doesn't shift even in manual mode.

    I paid the mechanic for the work he did (replace PTU with new, install 2011 tranny) and brought it home.

    I went to car-part.com and the 2011 tranny doesn't exchange with 2010 but does anyone know the differences?

    Mechanic said to bring it to the dealer to have the TCM (Tranny control module) reprogrammed?

    I'm about to look a the parts diagrams for each tranny (2010/2011) to see what the differences are that'd cause my no-shift issue??

    Any help would be appreciated greatly.

  2. #2
    Biggie T Skinny helbigtw's Avatar
    CX-3, CX-5 & CX-9 Moderator

    08 CX-9 GT Fwd, Bose/Nav, BSM,Compass/Homelink, Pwr Lift,Tow

    Join Date
    Feb 2011
    Location
    Lexington, KY
    Posts
    2,066
    I can't really help here other than to agree with your mechanic - take it to the dealer and see if they can program it.
    It could just need software install/change, that would be best case scenario for you. It's gotta be something silly if it all plugs up correctly.
    Best of luck!!
    p.s. i've tossed around the idea of buying a newer (not new) awd cx-9 say 2015 or so, but i'm not convinced even the newer model's have overcome the self eating ford edge transfer case.
    I specifically bought my cx-9 with front wheel drive to avoid the problematic awd issue. I wonder if the 2015/2016 or so models have a more reliable ptu than earlier awd models?

  3. #3
    Registered Member

    2016 cx-9 signature

    Join Date
    Nov 2017
    Location
    San Francisco, CA
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    87
    getting it reprogrammed and hoping for the best is your best option now since you are already neck deep in this 2011 transmission and that would theoretically solve the problem if that is the issue.

    but I would find a local shop to see if they can do it inhouse first before going to the dealership since they are probably going to charge you a stupid amount for minimal work.

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