Toyota Smart ECU Reset file S2943 (Prius, Lexus, ) - Page 5
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  1. #61
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    thanks bryan!
    pls password

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    Quote Originally Posted by Brayn View Post
    hello
    Some gift for you

    Toyota Smart key (Intelligent key) + Transponder type
    Smart ecu inside have S2943 eeprom
    S2943 = 93C76

    Toyota Prius NHW20 and Some Lexus have this system. vehicle have Immobilizer ecu and smart ecu.
    when all key lost situation we can start vehicle After immobilizer reset. but smart key can not program.
    Immobilizer system can reset via OBD via x100 , skp900 like that any key programmer. but you can not program smart system.

    write this reset file to smart ecu and you can program smart system. used key or brand new key

    pass PM after thnx + Rep
    Hello Brayn, can u help me to give your password, i have problem with crown 2004 slot key, car was start normally but i can't add smart key because i lost masterkey.. thank you

  3. #63
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    Default
    thanks bryan!
    pls password

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    Thank you Bryan,
    Could I have password please??
    and do you think this will work on a 2014 prius box?

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    Hello, new to the group. I’ve had the very same problem on a 2008 Prius was able to program one new key only, using my x100 pad. Figured I’d reached the limit on immo eeprom as second key wouldn’t program using all keys lost. And found it strange that the one I did program would do all but prox start, key in slot only to start ! Then research lead me to this post and found that I’m not alone. Anyway broke down and removed entire dash to get at “smart key” box and immo chip, a S2943. Contacted support att xtool to see what their take might be an they were nothing but clueless. I sent pictures of chip in eeprom reader with narrative clearly explaining what had transpired and their response was a joke. Then finally sent enough pics to piss them off and I think that did it the girl said engineers determined that this chip not supported my response was well no kidding so now what ?
    still awaiting an answer ha I won’t hold my breath. I did order a new 93c76 though and was wondering how that may or may not affect the ecu I hate to have to replace that or even mess with it’s eeprom I’m still reeling from this S2943. And I was wondering if I can use the bin Brayn posted and get away with a virgin set up ? Just immo only ? Hoping someone has been there done that
    Any guidance would be greatly appreciated
    thanks in advance

  6. #66
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    Has anyone been successful in getting the pw? I've messaged a few times but no luck... I really need this file for my celsior

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    Quote Originally Posted by cd8 View Post
    Has anyone been successful in getting the pw? I've messaged a few times but no luck... I really need this file for my celsior
    whew, and I thought he just didn't like me.... He is probably busy, it happens to all of us... Hope all is well with him..

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    Anyone have a password? Please sent PM to me, thank you

  9. #69
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    Hello Brayn :

    i have been working on this prius with this chipset in it for weeks i finally have the hex editor figured out but have no virgin file for this thing it is an S2943 in the immobilizer unit in the thread you say write this file to smart ecu, but the immobilizer if the only thing with this eeprom in it. can i please get the file password so i can compare it to mine thanks very much fishnpilot.

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    has anyone ever received this file or password ? if so i would greatly appreciate the help. would like to get this car back together and out of here. it is been weeks. i would like to compare this file with mine to see what changes have been made to clear it, it would help tremendously to see what the key entries look like.

  11. #71
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    Quote Originally Posted by Brayn View Post
    hello
    Some gift for you

    Toyota Smart key (Intelligent key) + Transponder type
    Smart ecu inside have S2943 eeprom
    S2943 = 93C76

    Toyota Prius NHW20 and Some Lexus have this system. vehicle have Immobilizer ecu and smart ecu.
    when all key lost situation we can start vehicle After immobilizer reset. but smart key can not program.
    Immobilizer system can reset via OBD via x100 , skp900 like that any key programmer. but you can not program smart system.

    write this reset file to smart ecu and you can program smart system. used key or brand new key

    pass PM after thnx + Rep
    password please thanks

  12. #72
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    write me pass, thanks

  13. #73
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    Hello all friends... try this file, press thanks and reply if works, without password...

    thank you
    Attached Files Attached Files

  14. The Following User Says Thank You to bhimanathanael For This Useful Post:

    almlohe (19th September, 2022)

  15. #74
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    Hello

    File updated No pass. download and use

  16. The Following 4 Users Say Thank You to Brayn For This Useful Post:

    almlohe (19th September, 2022), Babaz679 (24th June, 2019), cd8 (2nd March, 2019), Friends4eva (24th December, 2020)

  17. #75
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    Thank you!

    Does anyone know the procedure after smart ecu is reset?

 

 
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