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Thread: Error $0340

  1. #1
    Lifetime Member comnrailpwr's Avatar
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    Default Error $0340

    Why do I get this sometimes while trying to flash ecm?

    Spray & Pray

  2. #2
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    i get that too once and a while. start all over and reflash and it goes away....
    06 Laramie 3500 QC SB 4x4 - Full billet Auto by DTT, HE351/S475 twins, EFI live, lots of custom goodies....

    07 6.2L Yukon Denali - CAI, CAT delete, self tuned with EFI Live

    03 Trailblazer 4.2L I6 - CAI, custom exhaust, EFI live

    2010 Laramie 3500 CC LB 4x4 - H&S, DPF delete, waiting for EFI Live.....

  3. #3
    Lifetime Member comnrailpwr's Avatar
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    Ya just wondering why.

    Spray & Pray

  4. #4
    Lifetime Member 2007 5.9's Avatar
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    I believe that the ECM in that particular instance didnt like being talked to in a certian way...and says piss off.

    Like above, i just reflash...

    ~Les
    Les Szmidt
    2007 5.9 Dodge Ram
    2014 Ram 3500 Aisin tuning Emissions Equipped
    EFI Live Cummins BETA Tester
    Silver Bullet Tuning
    silverbullettuning@gmail.com
    www.youtube.com/ljszmidt
    http://www.facebook.com/SilverBulletTuninig

  5. #5
    Lifetime Member FUBAR's Avatar
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    ^^^x2 what he said
    06 5.9L, EFILive / Silver Bullet Tuning
    06 LBZ, EFILive

  6. #6
    Lifetime Member DoghouseDiesel's Avatar
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    Quote Originally Posted by 2007 5.9 View Post
    I believe that the ECM in that particular instance didnt like being talked to in a certian way...and says piss off.
    I get that same error and response talking to my wife......



    Sorry....couldn't resist.

    1207 HP / 1612 TQ

  7. #7
    Lifetime Member 2007 5.9's Avatar
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    Quote Originally Posted by DoghouseDiesel View Post
    I get that same error and response talking to my wife......



    Sorry....couldn't resist.
    Agreed!!! That was the premise for my wording!!!

    Lol

    ~Les
    Les Szmidt
    2007 5.9 Dodge Ram
    2014 Ram 3500 Aisin tuning Emissions Equipped
    EFI Live Cummins BETA Tester
    Silver Bullet Tuning
    silverbullettuning@gmail.com
    www.youtube.com/ljszmidt
    http://www.facebook.com/SilverBulletTuninig

  8. #8
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    I haven't seen $0340 in a while but I do get booted without an error code, it's so random. I'm now in the habit of not touching a thing on the truck once a flash is started because it seems that it only take a cross eyed glance or maybe a static charge to exit the script.

  9. #9
    Lifetime Member comnrailpwr's Avatar
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    Ha ha thats funny

    Spray & Pray
    Last edited by comnrailpwr; August 12th, 2011 at 03:17 AM.

  10. #10
    Senior Member TexasCummins's Avatar
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    I get errors too at random, twice while reflashing at a dyno day

    I found it helps to unplug the pass-through tool from the truck and laptop, restart the laptop and plug it all back together.
    EFI Live - The Smarter way to tune!
    2006 Ram 2500 4x4

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