Volvo V70/S80/S60 1999-2004 CEM Thread - Page 5
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  1. #61
    Top Poster zodiname's Avatar
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    Can i use diffrent Hw number for cloning cem ? (Volvo s60 2.4)
    I have in car HW-PN 9452553 8645541 00W493
    I want use HW-PN 8645411 8645410 01W056

  2. #62
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    HW-PN 8645411 8645410 01W056
    This is REM not CEM
    Last edited by ziomski; 4th May, 2017 at 09:36 PM.

  3. #63
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    Hey guys, seems that you have a lot of knowledge of CEM and its content. I recently added a complete RTI system into my V70 2004 and it is working very well exept that it is not recognized by the car and therefore will not give me any data from the car. (missing the carconfig) What I want to do is to add it into the carconfig in the CEM but unfortunately I dont have any clue where it should be added in the CEM flash. Maybe any of you guys know or can give me a hint of how this should be done. It would be very appreciated!

  4. #64
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    You must read flash to extract pin code. Then you can add anything you want via vdash (volvocesky.cz) into your configuration, but it's no cheap solution.

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    Hi.
    I need to replace the CEM in Volvo xc70 2002. Hw number is 9452553 sw 8645541
    I can't find any module with the same numbers.
    I found only one piece with the same hw number but with different other numbers.
    If I buy it, it will be working?Maybe Anybody has got an experience with replacing cem with different numbers?

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  6. #66
    Top Poster zodiname's Avatar
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    Better if will be your hw number same as orginal. I buy diffrent number and not work 100%ok. and next buy another one with same number and was 1000%ok.

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  7. #67
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    Please share or sell the BDM pinout for CEM 1999-2004. Have paypal etc.
    Thank you!

  8. #68
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    Somebody can help me to read 28f400 with willem?i receive error vpp range error...

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    Quote Originally Posted by sasy90 View Post
    Somebody can help me to read 28f400 with willem?i receive error vpp range error...
    Clean Flash for better connection!
    Always red glue left on flash!


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    i desolder and clean very well 28f800...willem do id and read good...but when i try to programme i receive "vpp range error"...any idea?

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    Quote Originally Posted by soxten View Post
    Clean Flash for better connection!
    Always red glue left on flash!


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    Hi , i read and write both memory 28F400 and 5p08 and use program Volvo synchro . But the car don't start, not fuel pump work and not crank.

    Some one can check file repaired that i wrote?

    Thanks in advance
    Attached Files Attached Files

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    Quote Originally Posted by sasy90 View Post
    Hi , i read and write both memory 28F400 and 5p08 and use program Volvo synchro . But the car don't start, not fuel pump work and not crank.

    Some one can check file repaired that i wrote?

    Thanks in advance
    What car and year is it on car?


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  13. #73
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    Volvo synchro program works incorrect. Have to synchonize dumps manually. Have you something to read MEG48. If yes i can help you to start car.

  14. #74
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    Reading and writing CEM without desolder Flash:
    http://www.digital-kaos.co.uk/forums...=1#post3196027

  15. The Following 2 Users Say Thank You to Holtek For This Useful Post:

    BusCan (8th April, 2023), mexanico1971 (9th May, 2018)

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    hi every one
    i have abig problem with volvo 2003 s80
    after i read cem flash mt28f400 by smartprox5 programmer to make a new key
    and make atransponder by tango and write back new file to mt28f400 and
    after that i install cem in can and turn ignaiton on but the car not start and
    all lights in dashboard off and all option inside interior not work
    i write back original flash to
    i write back the original file to mt28f400 but the same error
    i think flash data Damaged
    can some one repair the file
    or any one have a soulution
    and what is the good prgrammer read and write this flash without damage data
    thanks for you

    cem hw-pn 08688513 30682664


    this is the link of original file
    https://up.top4top.net/downloadf-894z2cjv1-rar.html

 

 
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