Login Register

Search found 5 matches

by gajoss
20 Feb 2026, 05:42
Forum: XC90 1st gen 2003-2014
Topic: Vida CEM swapping
Replies: 4500
Views: 725070

Re: Vida CEM swapping



I'm confused. I tried all the shuffle orders contained in the code for my CEM number. The result was negative. Should I try other shuffle orders as well?
In attachment LOGs from the last attempts.

Use one_pass version: https://github.com/cmolson/volvo-cem-cracker/tree/one_pass


I used the ...
by gajoss
16 Feb 2026, 09:39
Forum: XC90 1st gen 2003-2014
Topic: Vida CEM swapping
Replies: 4500
Views: 725070

Re: Vida CEM swapping





Find you CEM p/n in the source code, change last number in array (usually 0), try to crack, repeat.


Confirm if I'm thinking correctly. Red - my CEM number. Yellow - I change the digit - I change the shuffle order of the PIN bytes.


Yes, change it to 2. Also read this: https://www ...
by gajoss
04 Feb 2026, 10:08
Forum: XC90 1st gen 2003-2014
Topic: Vida CEM swapping
Replies: 4500
Views: 725070

Re: Vida CEM swapping



How do I find the correct shuffle order? Is there a way to do that?

Find you CEM p/n in the source code, change last number in array (usually 0), try to crack, repeat.


Confirm if I'm thinking correctly. Red - my CEM number. Yellow - I change the digit - I change the shuffle order of the PIN ...
by gajoss
04 Feb 2026, 09:28
Forum: XC90 1st gen 2003-2014
Topic: Vida CEM swapping
Replies: 4500
Views: 725070

Re: Vida CEM swapping



Try Christian's one_pass branch, it works better on P1: https://github.com/cmolson/volvo-cem-cracker/tree/one_pass

Also you CEM may have incorrect shuffle order in the source code. There are 4 such orders, and not all CEMs has the correct one set. For example, this CEM https://github.com/vtl ...
by gajoss
04 Feb 2026, 08:10
Forum: XC90 1st gen 2003-2014
Topic: Vida CEM swapping
Replies: 4500
Views: 725070

Re: Vida CEM swapping

Has anyone experienced a situation where the first three digits were different each time they tried to obtain their PIN?
In my previous 2004 Volvo V50, the same device found the PIN in less than 10 minutes. In my current car, I have problems with it.