'99 Odyssey, P1739 P0730 P0740 trans codes

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Thread: '99 Odyssey, P1739 P0730 P0740 trans codes

  1. #1
    Registered User
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    Nov 2004
    New Jersey, USA

    '99 Odyssey, P1739 P0730 P0740 trans codes

    sorry, posted this first by mistake to the '98 section of the forum, but my Odyssey is one of the early 1999's bought in Feb of '99 For the most part it has been a good car, but now on to the codes present.

    99 Ody Trans P1739, P0730, P0740

    Ok, I have searched and read all the revelant posts I can find on these three codes. With almost 189,000 on my 1999 Odyssey, with it's original transmission, I guess I am ahead of the game compared with many others, but mine has started slipping very noticably and these three codes have appeared.
    P1739 - manufacture control Transmission
    P0740 - TCC Circuit malfunction
    P0730 - Gear ratio incorrect.

    As I understand it, the problem is most likely the third clutch pack which has been said to be made undersize by honda for the task assigned to it.

    What do I do? I have kept good care of the car, changeing the oil every 4,000 with Mobil One and since 150,000, I have been changing the tras fluid every time I did the engine oil. I really don't like the looks of the 2005, but have doubts about a Honda rebuilt trans. With the milage so far past the 100,000 warranty extension, I doubt I will get any Honda goodwill. Any Idea what it should cost me to have Honda replace the transmission? or is a rebuild possible on the one I have.

    Grasping at straws here, any help or encouragement is welcomed. this car is my first experience with an automatic transmission and hence with automatic transmission problems, we alway has standards before.

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  3. #2
    Registered User New Dad New Van's Avatar
    Join Date
    Dec 2003
    The only advice I can provide is to find a Honda dealer that you can trust to be up front with you on your situation. It is also suggested to contact American Honda corporate to explain your situation. I realize your Ody has high mileage, but you never know until you call what can be done. A free tranny may be asking too much, maybe not, or maybe you can negotiate a deal for you to pay labour on the repair? I wish you luck whatever you find out and decide to do.
    2015 Hyundai Elantra GL Manual Transmission
    2003 ACURA EL Touring Auto AT
    2001 Odyssey LX (Traded in May 2015 with failed transmission at 100k miles)
    1994 Subaru Impreza L Manual Transmission (Sold in 2010)
    UNOFFICIAL 2001 ODYSSEY THREAD: Hidden Content

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