Ms41.0 Checksum

[Dr Alex]

Hi people,could someone try to correct cheksum on this file for me,i try several ways but i cant do it!

Bmw with Siemens MS41.0 ecu

Thanks

[raceshadow]

Hi people,could someone try to correct cheksum on this file for me,i try several ways but i cant do it!

Bmw with Siemens MS41.0 ecu

Thanks

Try.......

[Dr Alex]

Thanks,I give news soon.
I have unit in my bench.


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[Dr Alex]

Try.......


not ok friend.

[raceshadow]

not ok friend.

Whats you need make i ori file? Immo off? Whats tool you using? Kess?

[Dr Alex]

i have done immo off,read ecu with kess v2.when try to write mod file i got checksum error.
but if i write original file,writes 100% ok,so my guess is chk not ok

[raceshadow]

I've never had a problem with kess. The problem is the tool. Update C++ on PC.

[Dr Alex]

I've never had a problem with kess. The problem is the tool. Update C++ on PC.


im using clone version.i will try another tool!

[Lambda1]

Make clear you also attach programming voltage at pin 60...

[Dr Alex]

Make clear you also attach programming voltage at pin 60...

Yes I did,I’m using this Pinout.
And I read ok with kess and also bmw ms410 flasher software with kkl cable

https://uploads.tapatalk-cdn.com/20201101/835b5678ead73e72ae09b065089c1fa2.jpg


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[Lambda1]

file doesnt look well.. read with the other tool and post... partial is enough.

[Dr Alex]

file doesnt look well.. read with the other tool and post... partial is enough.

Here it is,partial read with ms41 quickflash

[Lambda1]

bad read... you ~~~~ed up you ecu with the kess...
use quickflash and flash a fullread of a untouched one... than read again partial and post again.

[Dr Alex]

Dump is ok friend.i write that file partial with ews patched and engine start.all with quick flash.read and write
Problem solved.

[Lambda1]

your dump isnt well...check section in "fullread" in 14000... no data... in partial its the first rows... no data...
so something sucks it up... maybe one of this super fine tools to ews delete xD which ff hole calibration section... in first rows is calibration bytes...
Oh and see there... EWS Bit in 14008 / 08 ... yours FF so bad read!

So please....

757911

[Dr Alex]

Ok,just a quick update.
Your right on that file I sent to you.
It has data deleted,I just uploaded wrong one.
I use the the partial read with all data and just passed on ews patch.
So engine start fine.

Your info is all correct lambda1 ;)
Thank you


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[hovic]

hello brother heres the file all done but be aware that ms 41 only flash partial not full so you need to read partial and flash partial