me7sum noob

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nickw

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	me7sum noob « on: May 08, 2019, 03:09:29 PM »

hey guys! I've been playing with tuning my 2000 audi s4 that im installing my built 1.8t in, I figure ill use the high mileage engine for a "test and tune" I am a noob with all of the tuning and me7sum stuff. I have taken the original .bin file and I've attempted a soft launch control, rear o2 delete, and I've changed the speed limiter. The issue im having is that when I use CMD in "windows 10" it will run the checksums and correct them so figured it saved them, I then loaded the tune on the car and now its bricked. I went back into CMD and run me7sum again and it said it corrects 5 checksums. I cannot find/figure out where the corrected files are being saved or how to save them. any guidance is appreciated! I've used the search bar here and ive tried google but I cant find a definitive answer. Thanks


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nickw

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	Re: me7sum noob « Reply #1 on: May 08, 2019, 03:25:50 PM »

C:\>me7sum\me7sum me7sum\Audi_S4_2.7T_experimental_stage_1_launch.bin Audi_S4_2.7T_experimental_stage_1_launch.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 'me7sum\Audi_S4_2.7T_experimental_stage_1_launch.bin'

Step #1: Reading ROM info ..
Searching for EPK signature...OK
Searching for ECUID table...OK
EPK : '40/1/ME7.1/5/6005.01//22m/DstC1o/110700//'
Part Number : '8D0907551M '
Engine ID : '2.7l V6/5VT '
SW Version : '0001'
HW Number : '0261207143'
SW Number : '1037354837'

Step #2: Reading ROMSYS ..
Startup section: word[0x008000]+word[0x00FFFE]
@008038 Add=0x013225 CalcAdd=0x013225 ADD OK
Program pages: 8k page first+last in 0x0000-0xFFFF and 0x20000-0xFFFFF
@00803c Add=0xAC48D3 CalcAdd=0xAC48D3 ADD OK
All param page: word[0x010000]+word[0x01FFFE]
@01b9b0 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...missing
Searching for main data CRC/csum blocks...OK
Searching for main data CRC offsets...OK
Searching for main data checksum offsets...missing
Main CRCs:
1) 0x010002-0x013FFE @7a866 CRC: D2C2D88E CalcCRC: C65FC0EC ** FIXED **
2) 0x014252-0x017F4E @7a86c CRC: 54385907 CalcCRC: 906B7327 ** FIXED **
3) 0x018192-0x01FBB0 @7a872 CRC: 88879141 CalcCRC: 3084D8FA ** FIXED **

Step #6: Reading Main Program Checksums ..
Searching for main program checksum..OK
ROM Checksum Block Offset Table @1e75a [16 bytes]:
1) 0x000000-0x00FBFF CalcChk: 47AE74F4
0x00FC00-0x01FFFF CalcChk: 28E74E4C CalcCRC: 78E916A4 SKIPPED
2) 0x020000-0x0FFFFF
<fffe0> Chk: 9CC3C162 CalcChk: 9CC3E366 ** FIXED **

Step #7: Reading Multipoint Checksum Blocks ..
Searching for multipoint block descriptor #1...OK
1) <14224> 0x024000-0x02658D Chk: 0B08F804 CalcChk: 0B08F804 OK
2) <14234> 0x014000-0x014243 Chk: 00540FE9 CalcChk: 00540FE9 OK (i)
3) <14244> 0xFFFFFFFF-0xFFFFFFFF END
Multipoint #1: [2 blocks x <16> = 32 bytes]
Searching for multipoint block descriptor #2...OK
1) <1fbb2> 0x000000-0x003FFF Chk: 0FA0F5CF Boot: (whitelisted) OK
2) <1fbc2> 0x004000-0x007FFF Chk: 0F4716B3 Boot: (whitelisted) OK
3) <1fbd2> 0x000000-0x003FFF Chk: 0FF7275A CalcChk: 0FF7275A OK
4) <1fbe2> 0x004000-0x007FFF Chk: 0F68CD6E CalcChk: 0F68CD6E OK
Multipoint #2: [66 blocks x <16> = 1056 bytes]

*** Found 73 checksums in me7sum\Audi_S4_2.7T_experimental_stage_1_launch.bin

Attempting to output corrected firmware file 'Audi_S4_2.7T_experimental_stage_1_launch.bin'
├╛ Opening 'Audi_S4_2.7T_experimental_stage_1_launch.bin' file for writing
├╛ Writing to file
├╛ Validating size correct 1048576=1048576
├╛ All OK, closing file

*** DONE! 9/9 error(s) in me7sum\Audi_S4_2.7T_experimental_stage_1_launch.bin corrected in Audi_S4_2.7T_experimental_stage_1_launch.bin! ***

this is what I get, but if I re-run the file to double check it itll say the same thing saying it corrected 9 errors?


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nyet

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	Re: me7sum noob « Reply #2 on: May 08, 2019, 04:04:11 PM »

Code:

*** DONE! 9/9 error(s) in me7sum\Audi_S4_2.7T_experimental_stage_1_launch.bin corrected in Audi_S4_2.7T_experimental_stage_1_launch.bin! ***

are you checking me7sum\Audi_S4_2.7T_experimental_stage_1_launch.bin or Audi_S4_2.7T_experimental_stage_1_launch.bin?

One is the input, the other is the output. They are in different directories since you specified me7sum\ in one and nothing in the other.

Please do a bit more cmd.exe research


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ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

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 ex

nickw

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	Re: me7sum noob « Reply #3 on: May 08, 2019, 04:15:46 PM »

ok, thanks for checking out my post. i figured something of that nature was happening, but i wasn't totally sure.


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nickw

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	Re: me7sum noob « Reply #4 on: May 08, 2019, 05:21:43 PM »

i feel pretty dumb Cheesy

i finally got it, guess ive got some learning to do. thanks for the help without burning me man!


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