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Author Topic: checksum issue, me7check (hope its in the correct section)  (Read 2589 times)
8951ben
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Microsoft Windows [Version 10.0.19042.928]
(c) Microsoft Corporation. All rights reserved.

C:\Users\ben>me7check in.bin
==============================================================================
me7check v1.12 (c) mki, 06/2004-05/2012
Checking file in.bin (size=1048576)
Reading Version Strings...
-> Bootrom Version = 05.12
-> EPK = 40/1/ME7.5/5/4018.10//24B/Dst03o/290702//
-> Contents of ECUID data table:
   - '0261208053'         (SSECUHN)
   - '1037366473'         (SSECUSN)
   - '8N0906018CB '       (VAG part number)
   - '0003'               (VAG sw number)
   - '1.8L R4/5VT     '   (engine id)
-> Contents of ECUID data table:
   - 'HW_MAN004'


-> No errors found. File is OK.   *********************


hi all i hope someone can help or point me in the rite direction.
this is what i am coming up with once i check my file that has had a tune and launch control added.
my issue is it works fine i can start it and drive short runs but as soon as i drive a long distance i get a checksum error
and the car wont start
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8951ben
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« Reply #1 on: May 02, 2021, 12:55:59 AM »

Microsoft Windows [Version 10.0.19042.928]
(c) Microsoft Corporation. All rights reserved.

C:\Users\ben>me7check in.bin
==============================================================================
me7check v1.12 (c) mki, 06/2004-05/2012
Checking file in.bin (size=1048576)
Reading Version Strings...
-> Bootrom Version = 05.12
-> EPK = 40/1/ME7.5/5/4018.10//24B/Dst03o/290702//
-> Contents of ECUID data table:
   - '0261208053'         (SSECUHN)
   - '1037366473'         (SSECUSN)
   - '8N0906018CB '       (VAG part number)
   - '0003'               (VAG sw number)
   - '1.8L R4/5VT     '   (engine id)
-> Contents of ECUID data table:
   - 'HW_MAN004'


-> No errors found. File is OK.   *********************


C:\Users\ben>me7sum in.bin out.bin
ME7Tool (v1.0.3) [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 'in.bin'

Step #1: Reading ROM info ..
 Searching for EPK signature...OK
 Searching for ECUID table...OK
 EPK         : '40/1/ME7.5/5/4018.10//24B/Dst03o/290702//'
 Part Number : '8N0906018CB '
 Engine ID   : '1.8L R4/5VT     '
 SW Version  : '0003'
 HW Number   : '0261208053'
 SW Number   : '1037366473'

Step #2: Reading ROMSYS ..
 Startup section: word[0x008000]+word[0x00FFFE]
 @008038 Add=0x00CD15 CalcAdd=0x00CD15  ADD OK
 Program pages: 8k page first+last in 0x0000-0xFFFF and 0x20000-0xFFFFF
 @00803c Add=0xA0B46E CalcAdd=0xA0B46E  ADD OK
 All param page: word[0x010000]+word[0x01FFFE]
 @01bf7a Add=0x00971D CalcAdd=0x00971D  ADD OK

Step #3: Reading RSA signatures ..
 Searching for RSA offset #0...OK
 Searching for RSA offset #1...OK
         Signature: @8ec6a-8ecea
           Modulus: @167c2-16842
          Exponent: @16842 = 3
 Searching for MD5 ranges...OK
 MD5 Block Offset Table @1679e [32 bytes]:
 1) 0x00010002-0x00013FFE
 2) 0x00014252-0x00017F4E
 3) 0x00018192-0x0001FBDC
 4) 0x00026A00-0x0002FFFC
 EncrMD5: e8 42 27 24 bb 03 f2 50 b6 56 58 15 2a 27 fc cd
 CalcMD5: e8 42 27 24 bb 03 f2 50 b6 56 58 15 2a 27 fc cd
  OK

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...missing
 Searching for main data CRC/csum blocks...OK
 Searching for main data CRC offsets...missing
 Searching for main data checksum offsets...OK
 Main Checksums:
 1) 0x010002-0x013FFE CalcCSM: 00135CC4
 2) 0x014252-0x017F4E CalcCSM: 00289BB7
 3) 0x018192-0x01FBDC CalcCSM: 0045C852
 4) 0x026A00-0x02FFFC CalcCSM: 00C3DA07
 @8f4b0 CSM: 00C3DA07 CalcCSM: 00C3DA07  Main data checksum OK

Step #6: Reading Main Program Checksums ..
 Searching for main program checksum..OK
 ROM Checksum Block Offset Table @1fb92 [16 bytes]:
 1) 0x000000-0x00FBFF CalcChk: 48D10B05
    0x00FC00-0x01FFFF CalcChk: 21E156B3 CalcCRC: ACC5C876 SKIPPED
 2) 0x020000-0x0FFFFF
    <fffe0>  Chk: 42369035 CalcChk: 42369035 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
 Multipoint #2: [66 blocks x <16> = 1056 bytes]

*** Found 70 checksums in in.bin

*** DONE! 0/0 error(s) in in.bin corrected in out.bin! ***

C:\Users\ben>




i also have this one that had the checksum already done but it does the same after a long journey
i used me7sum but it will not create a corrected file and says that it is ok
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Sandstorm3k
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« Reply #2 on: May 02, 2021, 02:38:35 AM »

How'd you acquire the tune? I'd say it's not worth your time. Go back to stock and DIY.
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8951ben
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« Reply #3 on: May 02, 2021, 03:55:35 AM »

It was made by someone who owns a tuning company. he had redone it with checksums done but I still get the issue that's why I decided to check it using me7. I wouldn't know where to start with my own tune. I can flash easy enough and I have a stage 2 tune done by someone else who has lots of good feedback but the car isn't as quick and has no launch control
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fknbrkn
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mk4 1.8T AUM


« Reply #4 on: May 02, 2021, 04:31:41 AM »

I had tuis problem with that ecu once
All the same - ecu dies next morning when cold start
The problem with the lc routine
Tried to move routine, move ram variable offset - still the same

Works fine with lc removed, dunno the reason cos investigation not worth it
Better to flash it with BP or remove this 2step crap
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8951ben
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« Reply #5 on: May 02, 2021, 08:57:35 AM »

Oh so it's most likely the launch control causing the issue. I'll get that removed or maybe give it ago myself
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