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Vida CEM swapping

A mid-size luxury crossover SUV, the Volvo XC90 made its debut in 2002 at the Detroit Motor Show. Recognized for its safety, practicality, and comfort, the XC90 is a popular vehicle around the world. The XC90 proved to be very popular, and very good for Volvo's sales numbers, since its introduction in model year 2003 (North America). P2 platform.
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T5Luke
Posts: 142
Joined: 11 November 2020
Year and Model: S60 T5 2001
Location: DE
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Re: Vida CEM swapping

Post by T5Luke »

You miss 60 can frames of data cause your cem is sending faster as your dice can capture the data.

You can press shift and right click in the dir where your exe is and open command line or powershell, (in powershell write cmd and press enter) then type in udsread.exe >log.txt

Enter pin code blind and press enter, wait till your dice stops blinkin and take a look in log file.

If that won't help, try faster computer or windows 7. I use one of the earliest mobile i3 devices and have no error reading the cems. My core 2 in xp also has no probs.

PontusLSE
Posts: 8
Joined: 17 September 2022
Year and Model: V70 2007
Location: Sweden

Post by PontusLSE »

T5Luke wrote: 21 Sep 2022, 04:17 You miss 60 can frames of data cause your cem is sending faster as your dice can capture the data.

You can press shift and right click in the dir where your exe is and open command line or powershell, (in powershell write cmd and press enter) then type in udsread.exe >log.txt

Enter pin code blind and press enter, wait till your dice stops blinkin and take a look in log file.

If that won't help, try faster computer or windows 7. I use one of the earliest mobile i3 devices and have no error reading the cems. My core 2 in xp also has no probs.
Thanks. I was running this on a Win 7 virtual box when I got those errors, but I was able to get it running directly in Win 10 now.

But I still get an error, now it’s “ERROR 0” (see attached image)
163065BA-1606-4D1E-9FC2-770585124F14.jpeg
163065BA-1606-4D1E-9FC2-770585124F14.jpeg (158.38 KiB) Viewed 769 times

T5Luke
Posts: 142
Joined: 11 November 2020
Year and Model: S60 T5 2001
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Post by T5Luke »

0 Errors, so everything is fine :D

PontusLSE
Posts: 8
Joined: 17 September 2022
Year and Model: V70 2007
Location: Sweden

Post by PontusLSE »

T5Luke wrote: 21 Sep 2022, 13:34 0 Errors, so everything is fine :D
Oh…sorry 😂 I’m so used to errors now so the word “error” itself was enough to tilt my brain.

Many thanks for all your help and your patience with newbies like me!

Edit: Final question (I hope 😄). Is this the pin needed for vdash?

75 54 59 07 69 48
C99D3F01-D7FE-49B0-9101-54EE201EE1CC.jpeg
C99D3F01-D7FE-49B0-9101-54EE201EE1CC.jpeg (59.23 KiB) Viewed 755 times

T5Luke
Posts: 142
Joined: 11 November 2020
Year and Model: S60 T5 2001
Location: DE
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Post by T5Luke »

Yes but you have to flip it in right order...

Divxet
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Year and Model: 2003 v70n
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Post by Divxet »

Thanks to T5Luke and his software i did succesfully clone my V70 MY2003 cem and changed the carconfig in the new second hand S60 MY2001 cem.
Everything is working as it should. :)

matija0610
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Post by matija0610 »

PontusLSE wrote: 21 Sep 2022, 13:37
T5Luke wrote: 21 Sep 2022, 13:34 0 Errors, so everything is fine :D
Oh…sorry 😂 I’m so used to errors now so the word “error” itself was enough to tilt my brain.

Many thanks for all your help and your patience with newbies like me!

Edit: Final question (I hope 😄). Is this the pin needed for vdash?

75 54 59 07 69 48

C99D3F01-D7FE-49B0-9101-54EE201EE1CC.jpeg
sorry for spamming, I haven't read the forum for a while, a lot of things have accumulated, I don't have time to catch up now..
but, why do you need Vdash, if you have .bin ?
do you want to change something in the configuration?

PontusLSE
Posts: 8
Joined: 17 September 2022
Year and Model: V70 2007
Location: Sweden

Post by PontusLSE »

matija0610 wrote: 21 Sep 2022, 14:52
PontusLSE wrote: 21 Sep 2022, 13:37
T5Luke wrote: 21 Sep 2022, 13:34 0 Errors, so everything is fine :D
Oh…sorry 😂 I’m so used to errors now so the word “error” itself was enough to tilt my brain.

Many thanks for all your help and your patience with newbies like me!

Edit: Final question (I hope 😄). Is this the pin needed for vdash?

75 54 59 07 69 48

C99D3F01-D7FE-49B0-9101-54EE201EE1CC.jpeg
sorry for spamming, I haven't read the forum for a while, a lot of things have accumulated, I don't have time to catch up now..
but, why do you need Vdash, if you have .bin ?
do you want to change something in the configuration?

I am trying to figure out how to change the maximum speed (v-max?). This ECU is modified from before, so my idea was to use vdash to set the max speed and after that compare the bin with the change to the bin without the change, to figure out what parameters has changed.

ZRimaZ
Posts: 77
Joined: 8 March 2009
Year and Model: XC60 MY2016 3.0 T6
Location: Lithuania, Kaunas
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Post by ZRimaZ »

Just change 0x8106 to 0x01 (max speed 250kmh) and recalculate chechsum at 0x8101
Have a nice day,

ZRimaZ

matija0610
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Joined: 25 October 2021
Year and Model: 2003 S60 D5
Location: Croatia
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Post by matija0610 »

v-max is @4A106
Screenshot_3.png
Screenshot_3.png (18.46 KiB) Viewed 669 times
possible parameters:
Screenshot_1.png
Screenshot_1.png (39.39 KiB) Viewed 669 times


CHKSUM - 8bit SUM whole CONF Block @4A101 (you have to calculate this, if you change the configuration)
CHKSUM - config block lenght @4A100 (you don't touch that one)

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