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Thread: Validate Checksum Failed. You will be unable to save or flash this file.

  1. #1
    HP Tuners Support
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    Validate Checksum Failed. You will be unable to save or flash this file.

    Alot of people have asked me about this since the 2.25 build so I'm reposting this here, its very important to read this.

    This isn't a bug in the software, and is perfectly normal.

    When you read your PCM and then try to open the file with VCM Editor and receive this message here's what you should do:

    1. Email the .hpt file as well as a VCM Suite infolog while connected to the vehicle in question to us at support at hptuners.com
    2. we will review the file for integrety and if the checksums are correct & not disabled, missing or corrupt we will send you an update as soon as possible to fix this issue.
    3. the fix will be included in all future shipped software and updates.

    Fixing these issues are #1 when it comes to support so you can be assured that you have our full attention when we receive one of these emails.

    This error is most common on Ford, Dodge & GM Alloytech(Bosch) pcm's & usually means its a new operating system we have yet to come across & we need to map the calibration for your use which can take several days or longer depending on the complexity of the operating system.

    Thanks for your understanding and patience (we know what it is like to get something new only to have to wait another day to use it).


    Support
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"

  2. #2
    HP Tuners Support
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    TTT as I've been getting a half dozen people a day that ask me this same question
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"

  3. #3
    Tuner
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    can you define infolog? I'm getting a checksum error on an 08 Mustang GT currently. However it is not the factory file nor do I have access to it.
    2010 Camaro SS LS3 - Heads, Cam, Whipple 11psi 756whp 663wtq 93 and meth

  4. #4
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    Quote Originally Posted by BoostedYards86 View Post
    can you define infolog? I'm getting a checksum error on an 08 Mustang GT currently. However it is not the factory file nor do I have access to it.
    The help file will walk you through it.

  5. #5
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    thank you
    2010 Camaro SS LS3 - Heads, Cam, Whipple 11psi 756whp 663wtq 93 and meth

  6. #6
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    I sent one of these in earlier today.. 14 Mustang GT copperhead fail to read or something.. checksum error submit to Hp Support.. Just hoping you got it and can get a fix soon.. I want to get tuning this thing :P
    Thanks guys

  7. #7
    Tuner in Training
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    Quote Originally Posted by ElecTech View Post
    The help file will walk you through it.
    Where is this help file located? I searched checksum" in the help section of the editor with no results.

    Thanks
    05 mustang GT with 3v 5.0 and a 2.3 whipple

  8. #8
    HP Tuners Support
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    Quote Originally Posted by stangslayer View Post
    Where is this help file located? I searched checksum" in the help section of the editor with no results.

    Thanks
    http://www.hptuners.com/help/introdu...mersupport.htm

    or open the editor and click Help-Help

    or open the scanner and click Help-Help

    or open the editor and click F1

    or open the scanner and click F1

    redundancy check anyone?
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"

  9. #9

    2009 f250 superduty 5.4l

    just tried to read a 2009 f250 suoerduty 5.4l gas got failed checksum errorScott_wilson_stk_failchecksum2.hptVCMSuiteInfo_2.txt

    already sent to support already
    97 k2500 ecsb 5.7l/4l80/4x4 0411 pcm,thorley tri-y's,true duals(no cats),msd ign.,zz4 cam, tuned with efi live

  10. #10
    Just used latest beta to flash truck no have no start. Have flashed multiple times. Disconnected battery. Can still flash but can not conection with scanner

  11. #11
    Potential Tuner
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    Do you know approx. how long it take to get a file back? For a 2014 Mustang Thanks
    Last edited by Almightyaaron; 09-02-2016 at 04:23 PM. Reason: More info

  12. #12
    just submitted a ticket #157820
    09 Pontiac G8GT LSA conversion & cammed (HP Tuned)
    07 Trailblazer SS Cammed & Nitrous Fed (HP Tuned)