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Thread: 01' 750iL TRANS PROG FAIL

  1. #26
    Join Date
    Feb 2010
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    Hampshire UK
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    99 840ci Sport Indv
    Not sure how this will come out - but here we go:

    Y8505 Transmission selector unit

    Plug connector overview

    Number X-pin, colour Description
    X8505 20-pin, black Plug connector Transmission selector unit
    Pin assignments at plug connector X8505

    Pin Type Description / Signal type Connection /
    Measuring notes
    1 A Output speed sensor (+) M73 Turbine speed sensor (+) AGS transmission control unit
    2 E Pressure actuator EDS1 AGS transmission control unit
    3 E Pressure actuator EDS2 AGS transmission control unit
    4 E Solenoid valve MV3 AGS transmission control unit
    5 A Turbine speed sensor (+) M73 Output speed sensor (+) AGS transmission control unit
    6 M Turbine speed sensor (-) M73 Output speed sensor (-) AGS transmission control unit
    7 E Pressure actuator EDS3 AGS transmission control unit
    8 E Solenoid valve MV1 AGS transmission control unit
    9 E Solenoid valve MV2 AGS transmission control unit
    10 A Output speed sensor (-) M73 Turbine speed sensor (-) AGS transmission control unit
    11 E Pressure actuator EDS4 AGS transmission control unit
    12 E Positive supply EDS, MV AGS transmission control unit
    13 A Transmission oil temperature sensor ground (+) AGS transmission control unit
    14 M Transmission oil temperature sensor ground (-) AGS transmission control unit
    15 E Not used M52 Pressure actuator EDS5 AGS transmission control unit
    16 E Positive supply EDS, MV AGS transmission control unit
    17 Not used
    18 Not used
    19 Not used
    20 Not used
    Timm..2007 E64 650i Individual Sport..1999 E31 840ci Individual Sport..ex owner of 2000 E38 740..1999 E38 740i V8 M62..1998 E38 735i V8..1993 E32 730i V8..1988 E28 518i


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  2. #27
    Join Date
    Oct 2008
    Location
    Mclean, Va
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    2000 Bmw 750il
    Quote Originally Posted by Tomerinbar1 View Post
    The connector is good and solid. I don't believe the problem is there.
    The brake does not affect the problem.
    The instrument cluster shows "P" and disappear some seconds after start or when I move the shifter.

    This is same issue I had with my 2000 750il. Do you still have the original transmission?

  3. #28
    Join Date
    Dec 2017
    Location
    Israel
    Posts
    60
    My Cars
    E38 750iL 2001
    Timm, thank you very much for the information.
    What should I look for with the check? current? resistance?


    Quote Originally Posted by 740il97g View Post
    This is same issue I had with my 2000 750il. Do you still have the original transmission?
    The previous owner told me he'd replace 4 transmission so it's not the original but! it's the exact specs from ZF.
    This particular transmission has refurbished by authorized ZF workshop.
    It was belong to the same model and year.

  4. #29
    Join Date
    Dec 2017
    Location
    Israel
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    My Cars
    E38 750iL 2001
    BTW, if I want to try to sync between the DME-EWS, there's a way to save the file in any case it's goes wrong?

    Thank you

  5. #30
    Join Date
    Dec 2017
    Location
    Israel
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    My Cars
    E38 750iL 2001
    Ok..

    I've received my K-DCAN cable and connect it to the car under the hood.

    - I've scanned the EML (no error).

    - Then the DME 1 and DME 2 and I've received the following errors:
    20180421_184939.jpg
    and then:
    20180421_184944.jpg
    and it throw me back to the main page.

    Some more information:
    Automatic transmission scan results:
    20180421_184711.jpg

    1. How to fix the EML connection problem?
    2. What else should I look for?


    Thank you
    Last edited by Tomerinbar1; 04-21-2018 at 01:21 PM.

  6. #31
    Join Date
    Feb 2010
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    Hampshire UK
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    99 840ci Sport Indv
    The error code states that one of the solenoids in the gearbox is taking excessive current. I would erase that error and see if it immediately comes back.....
    Timm..2007 E64 650i Individual Sport..1999 E31 840ci Individual Sport..ex owner of 2000 E38 740..1999 E38 740i V8 M62..1998 E38 735i V8..1993 E32 730i V8..1988 E28 518i


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  7. #32
    Join Date
    Dec 2017
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    Israel
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    E38 750iL 2001
    I forgot to mention, I did delete the code and it disappeared.

  8. #33
    Join Date
    Feb 2010
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    So, still in TRANS FAIL-SAFE PROG?
    Timm..2007 E64 650i Individual Sport..1999 E31 840ci Individual Sport..ex owner of 2000 E38 740..1999 E38 740i V8 M62..1998 E38 735i V8..1993 E32 730i V8..1988 E28 518i


    My BMW Repair YouTube Channel
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  9. #34
    Join Date
    Dec 2017
    Location
    Israel
    Posts
    60
    My Cars
    E38 750iL 2001
    Yes...

  10. #35
    Join Date
    Dec 2017
    Location
    Israel
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    My Cars
    E38 750iL 2001
    The error I received while trying to scan the DME's is probably because I've a serial printer connected to Com 1 by default. I'll Uninstall it and try again later.

  11. #36
    Join Date
    Dec 2017
    Location
    Israel
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    My Cars
    E38 750iL 2001
    Unfortunately, this didn't help.
    Still unable to connect to the DME's

  12. #37
    Join Date
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    If you are still in TRANS FAIL-SAFE PROG then you still have an error code - and if it is the same as last time you have a real problem with one of the solenoids.....
    Timm..2007 E64 650i Individual Sport..1999 E31 840ci Individual Sport..ex owner of 2000 E38 740..1999 E38 740i V8 M62..1998 E38 735i V8..1993 E32 730i V8..1988 E28 518i


    My BMW Repair YouTube Channel
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  13. #38
    Join Date
    Dec 2017
    Location
    Israel
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    My Cars
    E38 750iL 2001
    The same code appears yesterday.
    The transmission has been refurbished by ZF 9 years ago and wait in their warehouse.
    The transmission has been tested and dyno and declare to be 100% working.
    So, it can't be something in the transmission itself.
    It must be somewhere else.
    I think that the same code also appeared before the transmission replaced.

  14. #39
    Join Date
    Dec 2017
    Location
    Israel
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    60
    My Cars
    E38 750iL 2001
    I've the K-DCAN cable that i bought from here:
    http://m.eobdtool.co.uk/wholesale/bm...able.html#item

    It's is compatible with inpa for the e38 750il?
    Thank you

  15. #40
    Join Date
    Apr 2007
    Location
    Kansas City, MO
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    2x01 750, 01 740
    I think INPA has to be a very specific version to work with 750 DMEs.
    I just use DIS to access them.
    See my E38 parts for sale on eBay: click here!
    PM me here for a 5% discount on any of them!

  16. #41
    Join Date
    Dec 2017
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    Israel
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    My Cars
    E38 750iL 2001
    Could someone have more information how to connect to the DME's in the 750?

    Thank's

  17. #42
    Join Date
    Dec 2017
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    Israel
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    My Cars
    E38 750iL 2001
    No suggestion?

  18. #43
    Join Date
    Jan 2016
    Location
    Sisters, OR
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    1966 Mustang ;)
    I've been prepping to buy a 750, and some of the information I've come across regarding accessing the v12 is that you need a serial interface for INPA to access all the modules, including the DMEs. I believe this holds true, even for your 2001, but if someone can confirm the opposite please let jump in. Here's some reading on the topic:

    http://www.bimmerforums.co.uk/forum/...lained-t85191/

    http://www.bimmerfest.com/forums/sho...d.php?t=975025

    Here is the serial interface that I built. This person also makes fully working cables, but I wanted to build it myself. : http://openlabs.co/OSHW/almost-free-ADS-interface

    I haven't tested it on an E38 V12, but I do have it confirmed working on a 2000 323.

    If you do end up getting a serial interface, you cannot hook it up to a serial/rs232 to USB converter as that will defeat the whole purpose.

  19. #44
    Join Date
    Dec 2017
    Location
    Israel
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    E38 750iL 2001
    So finally I was able to set up DIS and here's the results:
    https://imgur.com/a/5XzeX57

    Thank you for any help

  20. #45
    Join Date
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    I reckon that diagnostics is actually indicating an internal EGS code:

    P1748 15 Transmission Control Module Self-Test

    .....and that the error messages you are getting from diagnostics is warning you that the version you are using is not compatible with your car - hence the erroneous error code descriptions.

    Diagnostics are also reporting that the EGS is not getting the correct voltage on Terminal 30 - as is a couple of other modules.

    With this information I would first replace the ignition switch (the source of terminal 30):

    http://www.bimmerboard.com/forums/posts/244045

    ...and if that makes no difference I would replace the EGS (usually a few quid from Ebay as long as you can find one for the facelift 750i).
    Timm..2007 E64 650i Individual Sport..1999 E31 840ci Individual Sport..ex owner of 2000 E38 740..1999 E38 740i V8 M62..1998 E38 735i V8..1993 E32 730i V8..1988 E28 518i


    My BMW Repair YouTube Channel
    My Current 840ci Sport Individual
    My Current 650ci Sport Individual
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  21. #46
    Join Date
    Dec 2017
    Location
    Israel
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    My Cars
    E38 750iL 2001
    Hey Tim, thank you for your fast response.
    Do you mean that my DIS version is not compatible with the EGS module?
    If so, I'll try the V44 instead of V57.
    I'll try to replace the ignition switch and will update.

    Thank you very much! :-)

  22. #47
    Join Date
    Sep 2018
    Location
    Richmond
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    63
    My Cars
    2000 E38 450iL
    Please delete
    Last edited by dillalade; 10-16-2018 at 05:28 PM.

  23. #48
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    Wayne,PA
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    740iL (E38 '01)
    As Timm said above, get a new ignition switch and many errors might magically disappear, beyond the Terminal 30 one.

  24. #49
    Join Date
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    E38 750iL 2001
    61326902014

    This is the right one, right?

  25. #50
    Join Date
    Feb 2010
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