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Thread: Scan doesn't find PCM - but everything else works ...

  1. #1
    Lifetime Member Garry's Avatar
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    Question Scan doesn't find PCM - but everything else works ...

    Title says it - FlashScan connects to V2 just fine, as do Explorer and Tune ... Tune also doesn't have any problems reading PCM information. V2 displays information from the PCM just fine in scan mode, BB scan works ... but Scan fails to retrieve any data from the PCM ...

    Running 7.5.4 w/ Firmware from May 12th ...

    Have I missed changing anything in Flashscan? I have no problems connecting to the PCM w/ FlashScan via V1 ...
    Garry Glendown * '17 Fifty 2SS MT * 99 Firehawk Convertible (for sale)

  2. #2
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    Same problem here, think there's another reply in the BBL forum under the May 12th update.
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

  3. #3
    Lifetime Member JezzaB's Avatar
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    Quote Originally Posted by Garry View Post
    Title says it - FlashScan connects to V2 just fine, as do Explorer and Tune ... Tune also doesn't have any problems reading PCM information. V2 displays information from the PCM just fine in scan mode, BB scan works ... but Scan fails to retrieve any data from the PCM ...

    Running 7.5.4 w/ Firmware from May 12th ...

    Have I missed changing anything in Flashscan? I have no problems connecting to the PCM w/ FlashScan via V1 ...
    Roll back the firmware and it should work again. Its been reported and there is a fix coming. It fails with VPW and cant find the PCM and then flicks over to Flashscan Cable Only as the controller.

  4. #4
    Lifetime Member Garry's Avatar
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    OK, tnx ... I thought I read everything in the Update threads, but must have missed that one ... May 9th version works...
    Garry Glendown * '17 Fifty 2SS MT * 99 Firehawk Convertible (for sale)

  5. #5
    Joe (Moderator) joecar's Avatar
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    See starting from post #33: showthread.php?t=8033&page=4

  6. #6
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by Garry View Post
    Title says it - FlashScan connects to V2 just fine, as do Explorer and Tune ... Tune also doesn't have any problems reading PCM information. V2 displays information from the PCM just fine in scan mode, BB scan works ... but Scan fails to retrieve any data from the PCM ...

    Running 7.5.4 w/ Firmware from May 12th ...

    Have I missed changing anything in Flashscan? I have no problems connecting to the PCM w/ FlashScan via V1 ...
    Garry, I get the same results.

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