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Thread: Tuning options for Dodge Mopar

  1. #136
    Quote Originally Posted by Asylumwarp View Post
    Anyone ever put a 411 ecm in a 98 ZJ with the jtec pcm? I'm tired of no tuning solutions, I have a bdm... I have successfully talked to 411 ecms thru bdm now. I don't see why I cant communicate with the jtec the same way. Mekkis, do you offer tuning for these cars? If I can pull the bin, do we have a completed xdf with timing tables? If I can pull a bin, I can write it too.
    What do you use to read/write by BDM to 411 PCM's ??

  2. #137
    Carb and Points! darkcorp's Avatar
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    I have bin file pulled from my wj 4.0 pcm. Pm me if needed.

  3. #138
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    Quote Originally Posted by darkcorp View Post
    Hi, guys!

    I live in Russia and build 4.6 stroker ('99 Jeep Grand Cherokee WJ).
    I need to tune my JTEC PCM.
    It has ab28f200 chip so I've unsoldered it and read the programm.
    But PCM has film-like board and while tuning I'll need to soldered the chip several times. That will destroy the film.
    There are some pads near the chip so how can I use them to reprogramm the chip?

    Attachment 11538

    Thanks
    Albert
    A datasheet and a multimeter answers that.

    Those pads alongside the flash are what the "instrumented" 96-98 JTECs daughterboards are attached to.
    There is no mechanical problem so difficult that it can not be overcome by brute strength and ignorance.

  4. #139
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    Quote Originally Posted by darkcorp View Post
    Hi, guys!
    I live in Russia and build 4.6 stroker ('99 Jeep Grand Cherokee WJ).
    I need to tune my JTEC PCM.
    It has ab28f200 chip so I've unsoldered it and read the programm.
    But PCM has film-like board and while tuning I'll need to soldered the chip several times. That will destroy the film.
    There are some pads near the chip so how can I use them to reprogramm the chip?
    Attachment 11538
    Thanks
    Albert


    how do you edit the bin, what kind of software are you using ?
    Last edited by 2ss8; 04-09-2017 at 12:35 PM.

  5. #140
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    mekkis, you still out there? Any updates to flashing these POS's? I still have the very basic XDF you posted a few years ago. Do you have a more defined xdf you are willing to share?
    '86 Grand National

  6. #141
    Carb and Points! darkcorp's Avatar
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    Guys!
    Does anyone have definition file (xdf) for my ECU?

    It seem like soon we will have a device to read/write/diag JTEC via OBD.
    Attached Files Attached Files

  7. #142
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    Quote Originally Posted by mekkis View Post
    Uh, yo.
    Mekkis, any chance you have a more defined .xdf?
    '86 Grand National

  8. #143
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    Quote Originally Posted by 34blazer View Post
    Mekkis, any chance you have a more defined .xdf?
    No, sorry.
    There is no mechanical problem so difficult that it can not be overcome by brute strength and ignorance.

  9. #144
    Fuel Injected! roughneck427's Avatar
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    This guy here http://sykedecutuning.com/store/index.php covers a lot of odd ball mopar stuff. I'm waiting on the laptop based interface to be release $25 credits to tune a vehicle
    Last edited by roughneck427; 11-07-2017 at 05:38 PM.

  10. #145
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    Quote Originally Posted by mekkis View Post
    No, sorry.

    Wow, ok. Just lost interest?
    '86 Grand National

  11. #146
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    Quote Originally Posted by 34blazer View Post
    Wow, ok. Just lost interest?
    Lost time, no longer a Jeep owner, etc. That's how life goes.
    There is no mechanical problem so difficult that it can not be overcome by brute strength and ignorance.

  12. #147
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    hey guys you helped me a lot so im giving back here is a start ill send links and more info later its the standard part numbers for the two Motorola mcus which are protectively labeledIMG_20180212_003754[1].jpg

  13. #148
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    Hello all. I beg for your forgiveness about my ignorance. I have been studying for quite some time about Jtec programming and tuning. I am so new that i haven't been able to figure out what cable/software people are using to pull the bin from the pcm and wright to the pcm. I am knowledgeable in Bosch stuff and have several cables/systems but none have options for the jeep i am currently attempting to master. My goal is to clone a jeep pcm. Thanks for any help !!

  14. #149
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    Quote Originally Posted by jracing View Post
    Hello all. I beg for your forgiveness about my ignorance. I have been studying for quite some time about Jtec programming and tuning. I am so new that i haven't been able to figure out what cable/software people are using to pull the bin from the pcm and wright to the pcm. I am knowledgeable in Bosch stuff and have several cables/systems but none have options for the jeep i am currently attempting to master. My goal is to clone a jeep pcm. Thanks for any help !!
    hey so if you look at the inside of your ecm/pcm you will see two chips the main mcu runs a basic initialization code that pulls pretty much everything from these two chips check out how arduino read eeprom im working on decompiling to source rn cause i got a friend who needs some limters programed

  15. #150
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    is there a link or could you elaborate about how the arduino is used. I have some alien tech but it doesnt support this ECM chrysler P/N P56041746AD. I have a galletto and some other cheap cables. Thanks for the reply!!

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