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tcu

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    #1

    tcu

    aight so i just put a brand new tcu in my cb7 and it was working fine untill today when i left work. i got into my car and to my surprise it only worked in 2nd and 3rd gear. does anyone have any idea about what is going on??
    Tags: None
    #2
    Are you sure it's the TCU, and not the transmission itself? Change the fluid for some new Honda ATF and see if that helps.

    It's also possible that you got a bum TCU.






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      #3
      Even if you manually shift it only goes in 2nd and 3rd?

      TCU shat or Solenoid shat
      wat?

      Comment

        #4
        Originally posted by deevergote View Post
        Are you sure it's the TCU, and not the transmission itself? Change the fluid for some new Honda ATF and see if that helps.

        It's also possible that you got a bum TCU.
        well i got the tcu from h22accordsir (greg) and he sent it to me brand new...it was even working this morning on the way to work. it just stopped when i got into my car to go home...where can i get honda atf fluid from?

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          #5
          Originally posted by C91BLX7 View Post
          Even if you manually shift it only goes in 2nd and 3rd?

          TCU shat or Solenoid shat
          yes even if i manually shift

          Comment

            #6
            Honda ATF can be purchased at the Honda dealer.

            And yeah, the solenoid may be shot too. I'm not much of an auto expert, sadly... I've only dealt firsthand with manuals.






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              #7
              I wouldn't bother with the fluid just yet. Shitty fluid or not it still *should* shift.
              wat?

              Comment

                #8
                Originally posted by C91BLX7 View Post
                I wouldn't bother with the fluid just yet. Shitty fluid or not it still *should* shift.
                could getting to hot cause it to not work right??

                Comment

                  #9
                  Originally posted by deevergote View Post
                  Honda ATF can be purchased at the Honda dealer.

                  And yeah, the solenoid may be shot too. I'm not much of an auto expert, sadly... I've only dealt firsthand with manuals.
                  is the solenoid inside the transmission??

                  Comment

                    #10
                    i have about the same problem.. I just got gear 2 and 3 left on my tranny..

                    Left? Lol ive never had gear 1 and 4 on my accord. After swap h22 these gears never worked.

                    There is several sensors on the AT. I had the old f22 AT tranny, and took it apart today too see whats causing it not to shift properly, since the new prelude tranny has the same "diagnose" as the old one.

                    See pictures. The reason why it didnt shift, is these "clutch" plates is bent, worn out... They should be a lot ticker and straight, not bent.



                    Very bad stuff....
                    Accord M0DiFi3D From Norway


                    Visit Website: http://www.garaget.org/?car=63883

                    Comment

                      #11
                      There are 2 solenoids up front at the tranny, near the check oil pin.

                      2 cylinders on each solenoid. if one is bad, it will not shift properly, after what im being told.. Dont know what to think about it..

                      And yes, 2 sensors, one at the front, and one rear. 2x 10mm screws holding each sensor. Hard to find if the tranny is in the car.
                      Accord M0DiFi3D From Norway


                      Visit Website: http://www.garaget.org/?car=63883

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                        #12
                        If the D4 light is on when the shifter is in Park or blinks that means theres a trans code.

                        Most times the TCU fails still gives you 2nd and 3rd but not always. My lateset one failed on my wife and only gave her 1st and 2nd going down the highway.


                        wp

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