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Author Topic: me 7 checksum  (Read 962 times)
loseisimprove
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« on: July 22, 2017, 10:23:24 AM »

hi i need a checkum i swaped me 7.5 to AEB i wanted just change KRKTE and TFUB, after change only krkte and use me7sum all ok car start, but if i change TFUB and use me7check ecu brickked and car dont work
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nyet
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« Reply #1 on: July 22, 2017, 11:05:46 AM »

me7check does not correct checksums.
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
nyet
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« Reply #2 on: July 22, 2017, 11:07:39 AM »

You didn't bother correcting the file

Code:
ME7Sum (v1.0.3-5-g2aec-dirty) [Management tool for Bosch ME7.x firmwares]
Inspiration from Andy Whittaker's tools and information.
Written by 360trev and nyet [BSD License Open Source].

Attempting to open firmware file '/cygdrive/c/Users/nyet/Downloads/mod.bin'

Step #1: Reading ROM info ..
 Searching for EPK signature...OK
 Searching for ECUID table...10: '1037360306'
12: '4B0906018CG '
4: '0002'
16: '1.8L R4/5VT     '
OK
 EPK         : '40/1/ME7.5/5/4016.31//24b/Dst02o/290900//'
 Part Number : '4B0906018CG '
 Engine ID   : '1.8L R4/5VT     '
 SW Version  : '0002'
 HW Number   : '0261207215'
 SW Number   : '1037360306'

Step #2: Reading ROMSYS ..
 Startup section: word[0x008000]+word[0x00FFFE]
 @008038 Add=0x00A8C9 CalcAdd=0x00A8C9  ADD OK
 Program pages: 8k page first+last in 0x0000-0xFFFF and 0x20000-0xFFFFF
 @00803c Add=0x9E779C CalcAdd=0x9E779C  ADD OK
 All param page: word[0x010000]+word[0x01FFFE]
 @01bef8 Add=0x00971D CalcAdd=0x00971D  ADD OK

Step #3: Reading RSA signatures ..
 Searching for RSA offset #0...missing
 Searching for RSA offset #1...missing

Step #4: Finding CRC table(s) ..
 Searching for CRC table(s)...OK
 CRC table(s) OK

Step #5: Reading Main Data Checksums ..
 Searching for main data CRC pre block...OK
 Searching for main data CRC/csum blocks...OK
 Searching for main data CRC offsets...OK
 Searching for main data checksum offsets...missing
 Main CRCs:
 0) 0x0183BC-0x0183C5                      CalcCRC: 4679B6C7
 1) 0x010002-0x013FFE @90000 CRC: 9957220E CalcCRC: 307AC32F(r) ** NOT OK **
 2) 0x014252-0x017F4E @90006 CRC: 593A60E6 CalcCRC: 08103FDC(r) ** NOT OK **
 3) 0x018192-0x01FBDC                      CalcCRC: C6650D82(r)
 4) 0x026A00-0x02FFFC @9000c CRC: 767EF284 CalcCRC: AACE9616(r) ** NOT OK **

Step #6: Reading Main Program Checksums ..
 Searching for main program checksum..OK
 ROM Checksum Block Offset Table @1fbba [16 bytes]:
 1) 0x000000-0x00FBFF CalcChk: 48D0ABC9
    0x00FC00-0x01FFFF CalcChk: 23C76733 CalcCRC: 79B5DECA SKIPPED
 2) 0x020000-0x0FFFFF CalcChk: 3E376811
 @fffe0 Chk: 3E376811 CalcChk: 3E376811 OK (i)

Step #7: Reading Multipoint Checksum Blocks ..
 Searching for multipoint block descriptor #1...missing
 Searching for multipoint block descriptor #2...OK
 1) <1fbde>  0x000000-0x003FFF Chk: 0FA0F5CF Boot: (whitelisted) OK
 2) <1fbee>  0x004000-0x007FFF Chk: 0F4716B3 Boot: (whitelisted) OK
 3) <1fbfe>  0x000000-0x003FFF Chk: 0FA0F5CF CalcChk: 0FA0F5CF OK
 4) <1fc0e>  0x004000-0x007FFF Chk: 0F4716B3 CalcChk: 0F4716B3 OK
 7) <1fc3e>  0x010000-0x013FFF Chk: 08FA28EB CalcChk: 08FA2B5F ** NOT OK **
10) <1fc6e>  0x01C000-0x01FFFF Chk: 05CD010B CalcChk: 05CD0020 ** NOT OK **
 Multipoint #2: [66 blocks x <16> = 1056 bytes]

*** Found 71 checksums in /cygdrive/c/Users/nyet/Downloads/mod.bin

*** WARNING! 5/5 uncorrected error(s) in /cygdrive/c/Users/nyet/Downloads/mod.bi                                                                                 n! ***

You need to give it an output file name.

Please do not force others to do work for you, especially correct checksums for a file you can correct for yourself.
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
nyet
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« Reply #3 on: July 22, 2017, 11:09:19 AM »

If one pass does not work, you will have to do a second pass

https://github.com/nyetwurk/ME7Sum/issues/7
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
nyet
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« Reply #4 on: July 22, 2017, 12:19:06 PM »

Hopefully fixed the multiple pass issue in v1.0.4

http://nyetwurk.github.io/ME7Sum/downloads/me7sum-v1.0.4.zip
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
loseisimprove
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« Reply #5 on: July 23, 2017, 05:04:04 AM »

thx for help i used ofc me7sum my bad, i use now last version and all is ok thx
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