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Thread: Cannot do a crank relearn on 2007 Sierra GMT900

  1. #1
    Senior Member thunder550's Avatar
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    Default Cannot do a crank relearn on 2007 Sierra GMT900

    Tried to do a crank relearn today on a 2007 new body style Sierra. Connected with the E38 PCM. The CKP Learn button in the Bidirectional menu was grayed out...I tried everything I could, different PCM types, etc and never could get the CKP Learn button to activate.

    I'm running v7.4. Is this a version issue, or is it unavailable, or what?

  2. #2
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    I tried it with v7.5.4 and april 14th bb/fw via LS1 controller (should work on the P10 LL8) and got nothing. With 7.4.x I could get the panel to come up but it wouldnt do the relearn as I couldnt rev past 4000rpm and fuel never cut off.
    ~Erik~
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  3. #3
    Lifetime Member GMPX's Avatar
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    Many of these bi-directional have been added in for the newer controllers such as the E38, currently this is still beta software though.

    Cheers,
    Ross
    I no longer monitor the forum, please either post your question or create a support ticket.

  4. #4
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    Quote Originally Posted by GMPX View Post
    Many of these bi-directional have been added in for the newer controllers such as the E38, currently this is still beta software though.

    Cheers,
    Ross
    So if he downloads ver. 7.11 do you think he can do the crank relearn without a problem?

    Thanks

  5. #5
    Senior Member thunder550's Avatar
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    Quote Originally Posted by GMPX View Post
    Many of these bi-directional have been added in for the newer controllers such as the E38, currently this is still beta software though.

    Cheers,
    Ross
    Which version is this? 7.5.3 is the latest full release but I don't see where I can download any later beta releases.

  6. #6
    EFILive Reseller kbracing96's Avatar
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    Quote Originally Posted by thunder550 View Post
    Which version is this? 7.5.3 is the latest full release but I don't see where I can download any later beta releases.
    http://forum.efilive.com/showthread.php?t=7905
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