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    Hard Shifting 1st to 2nd when cold

    There is now a TSB covering this subject. It replaces software and in some cases the DME control unit on 03, 04 and 05 models, Cayenne, S and TT.

    I think this is already out there but it may be good to check as TSB's are normally the last part of the sequence not the first.

    ref: Loren

    Re: Hard Shifting 1st to 2nd when cold

    Quote:
    Mick said:
    There is now a TSB covering this subject. It replaces software and in some cases the DME control unit on 03, 04 and 05 models, Cayenne, S and TT.

    I think this is already out there but it may be good to check as TSB's are normally the last part of the sequence not the first.

    ref: Loren



    I have another interesting phenomenon when it is cold: the gearbox keeps the gear (usually the 2nd one) much longer than it should. I start to hate the Aisin gearbox...honestly.

    Re: Hard Shifting 1st to 2nd when cold

    I dont think that is the gearbox RC, its the cold program warming the cats.

    Re: Hard Shifting 1st to 2nd when cold

    Quote:
    Mick said:
    I dont think that is the gearbox RC, its the cold program warming the cats.



    After one hour of driving?

    Re: Hard Shifting 1st to 2nd when cold

    no thats not cold at that point

    Re: Hard Shifting 1st to 2nd when cold

    It's bad Cayenne software programming by Porsche AG programmers and it's subcontractors... reality simulation by badly developed software program.

    Re: Hard Shifting 1st to 2nd when cold

    Welcome to Rennteam ozr. Good to see you here.

    It's hard for me to understand exactly where the fault lies for some of these problems, but I do agree that they must be software coding problems. I have heard the Porsche direct employees are careful coders. I don't know. There do seem to be more software related problems with the Cayenne, and the Cayenne has a greater percentage of the work farmed out of any Porsche product.

    Re: Hard Shifting 1st to 2nd when cold

    Thank you, GM Austin.
    Good to see familiar faces and good people.

    ...seems very familiar to me,... when a company creates too big and too complex software system regardless how well it's written, it's impossible to implement big software system without some reasonable real life testing by the users. This last thing Porsche AG ignored (also still attempts to hide and doesn't completely acknowledges...) in my opinion, at least for the first 1.5 Cayenne release years.


    Re: Hard Shifting 1st to 2nd when cold

    Quote:
    GM Austin said:
    Welcome to Rennteam ozr. Good to see you here.

    It's hard for me to understand exactly where the fault lies for some of these problems, but I do agree that they must be software coding problems. I have heard the Porsche direct employees are careful coders. I don't know. There do seem to be more software related problems with the Cayenne, and the Cayenne has a greater percentage of the work farmed out of any Porsche product.



    Don't nail me on this one but I heard that the whole Cayenne software programming is actually coming from VW, even if Porsche software engineers were involved.
    One reason why all control units have the VW logo and even the software seems to have a Audi/VW coding ID, incl. the engine software.

    Guys, I'm happy with my Cayenne but if they would only find a solution for that dumb hesitation issue.

    Re: Hard Shifting 1st to 2nd when cold

    Quote:
    Guys, I'm happy with my Cayenne but if they would only find a solution for that dumb hesitation issue.



    Completely agree!

    Re: Hard Shifting 1st to 2nd when cold

    what is the tsb number and title for this?
    when was it posted?
    thank you

    Re: Hard Shifting 1st to 2nd when cold

    Quote:
    Peanuts said:
    what is the tsb number and title for this?
    when was it posted?
    thank you



    The TSB is

    Hard Shifting In Range First to Second

    issued 11/18/2004 covering all models of the Cayenne built prior to 7/17/2004.

    Re: Hard Shifting 1st to 2nd when cold

    do you have the tsb number and title?
    TIA

    Re: Hard Shifting 1st to 2nd when cold

    Sorry, left out the number.

    The TSB is #3730 titled:

    Hard Shifting In Range First to Second

    issued 11/18/2004 covering all models of the Cayenne built prior to 7/17/2004.

    Re: Hard Shifting 1st to 2nd when cold

    GM Austin thank you

     
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