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Thread: bmw e70 no ignition,remote not working, no voltage terminal 15

  1. #1
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    bmw e70 no ignition,remote not working, no voltage terminal 15

    hi.
    need some serious help with my 2012 x5 e70 35i.
    had issues with steering angle sensor i was not getting any reading on diagnostic so i got a used just to try and it worked.
    i was able to get the angle reading in order to do the procedure on the ista diagnostic.
    the problem came when i was trying to code the unit in the dsc i think i might have accidentally have coded the cas also.
    now theres no more welcoming lights ,no ignition,remote key doesnt work, rear tailgate door lock not working.
    the key doesnt seem to slide in the on position like before and also no power on terminal 15.
    what have i done....
    could it be the cas module or something else?

  2. #2
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    I'd have to hope that you did a complete car coding, and that the voltage never dropped below 13 or went above 15.. Other than that, recode again, and ask ISTA why the computers are pissed off. You absolutely MUST run a proper battery maintainer during any coding and programming process.

    Chris Powell
    Racer and Instructor since, well. decades, ok?
    Master Auto Tech, owner of German Motors of Aberdeen
    BMWCCA 274412
    German Motors is hiring ! https://www.bimmerforums.com/forum/s...1#post30831471

  3. #3
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    cas module is dead for sure... what kind of tools do you have on hand? If you need to I can repair cas if you don't have equipment to do so... These vehicle are VERY sensitive to voltage while programming. Can't be a noisy charger like on a dodge or ford whatever. Needs to be regulated DC POWER SUPPLY. If voltage drops below 13 or over 15 you are in trouble!
    Last edited by Driiven; 01-14-2018 at 11:11 PM.
    Buy my native installed ISIS ISTA-D/ISTA-P bmw diagnostic laptop. More Info Here!

  4. #4
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    hi.
    yes that was my biggest mistake the battery fell bellow 13v and the session ended will i was coding angle sensor to dsc.so i hooked a charger to it and tried again this is were things went south.i recall i saw cas being programmed.
    ive tried to bridge pin16 to 1 in the obd to get voltage on terminal 15.it worked.
    i enter the programming mode it says cannot identify vehicle and something about to import vehicle order.



    Quote Originally Posted by bmwdirtracer View Post
    I'd have to hope that you did a complete car coding, and that the voltage never dropped below 13 or went above 15.. Other than that, recode again, and ask ISTA why the computers are pissed off. You absolutely MUST run a proper battery maintainer during any coding and programming process.
    bmw e70 no ignition,remote not working, no voltage terminal 15
    hi.
    need some serious help with my 2012 x5 e70.
    had issues with steering angle sensor i was not getting any reading on diagnostic so i got a used just to try and it worked.
    i was able to get the angle reading in order to do the procedure on the ista diagnostic.
    the problem came when i was trying to code the unit in the dsc i think i might have accidentally have coded the cas also.
    now theres no more welcoming lights ,no ignition,remote key doesnt work, rear tailgate door lock not working.
    the key doesnt seem to slide in the on position like before and also no power on terminal 15.
    what have i done....
    could it be the cas module or something else?

  5. #5
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    Quote Originally Posted by Driiven View Post
    cas module is dead for sure... what kind of tools do you have on hand? If you need to I can repair cas if you don't have equipment to do so... These vehicle are VERY sensitive to voltage while programming. Can't be a noisy charger like on a dodge or ford whatever. Needs to be regulated DC POWER SUPPLY. If voltage drops below 13 or over 15 you are in trouble!
    im using bmw icom ISID 1 ISTA/ISTAP

  6. #6
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    Can’t fix this problem with istap I have tried in the past. If you need it fixed though pm me and we can arrange it
    Buy my native installed ISIS ISTA-D/ISTA-P bmw diagnostic laptop. More Info Here!

  7. #7
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    hi.
    i cannot access the computers.its saying cannot identify vehicle.

  8. #8
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    E70 no ignition

    Quote Originally Posted by exquisitebmw View Post
    hi.
    i cannot access the computers.its saying cannot identify vehicle.
    Did you get to fix your problem?

  9. #9
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    I have the same problem, do you know what happens?

  10. #10
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    Do a battery reset and then try to identify the vehicle thru basic features using ista/d. I will also tell you that the FRM's are easily ruined.

  11. #11
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    Hey so has anyone figured out a solution yet?

  12. #12
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    Hello guys, had the same problem How do I solve it? Thanks

  13. #13
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    dworthy is offline Wagon meister :) BMW Tech Expert
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    Did you do what Paul (ptarditi) above wrote?

    These cars are packed full of electronics, and over time will fail, so you will need to have the car scanned for codes first to see what has gone wrong.
    Darin
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  14. #14
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    Wow, so we have here FIVE different people, JUST on this thread, have tried to program/code their BMW, without using a real, regulated modern voltage supply ?

    https://darwinawards.com/rules/

    Chris Powell
    Racer and Instructor since, well. decades, ok?
    Master Auto Tech, owner of German Motors of Aberdeen
    BMWCCA 274412
    German Motors is hiring ! https://www.bimmerforums.com/forum/s...1#post30831471

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