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by emericaz
15 Jan 2024, 12:17
Forum: XC90 1st gen 2003-2014
Topic: Vida CEM swapping
Replies: 4335
Views: 587547

Re: Vida CEM swapping

vtl wrote: 15 Jan 2024, 12:05 I've never seen "cemtool". Is it what you can use with P2?
It’s made by T5Luke for config changes on P2 <MY04
by emericaz
15 Jan 2024, 12:02
Forum: XC90 1st gen 2003-2014
Topic: Vida CEM swapping
Replies: 4335
Views: 587547

Re: Vida CEM swapping

straight: 0 1 2 3 4 5 55 29 58 70 51 68 { 0, 1, 2, 3, 4, 5 } 55 29 58 70 51 68 { 3, 1, 5, 0, 2, 4 } 70 29 68 55 58 51 {5, 2, 1, 4, 0, 3} 68 58 29 51 55 70 { 2, 4, 5, 0, 3, 1} 58 51 68 55 70 29 swap16: 0 1 2 3 4 5 29 55 70 58 68 51 { 0, 1, 2, 3, 4, 5 } 29 55 70 58 68 51 { 3, 1, 5, 0, 2, 4 } 58 55 51...
by emericaz
15 Jan 2024, 10:49
Forum: XC90 1st gen 2003-2014
Topic: Vida CEM swapping
Replies: 4335
Views: 587547

Re: Vida CEM swapping

I’m using T5Luke’s tool for uploading. I have to save the dump after i swapped the bytes and upload, or i only need the swapped bytes pasted in the tool? There's 4 known shuffles: https://github.com/vtl/volvo-cem-cracker/blob/master/volvo-cem-cracker.ino#L62 CPU can have 2 endianness (i.e. need to ...
by emericaz
15 Jan 2024, 07:47
Forum: XC90 1st gen 2003-2014
Topic: Vida CEM swapping
Replies: 4335
Views: 587547

Re: Vida CEM swapping

vtl wrote: 15 Jan 2024, 07:40
emericaz wrote: 14 Jan 2024, 09:46 I tried like this
How do you check if you got the pin right?
I’m using T5Luke’s tool for uploading.
I have to save the dump after i swapped the bytes and upload, or i only need the swapped bytes pasted in the tool?
by emericaz
14 Jan 2024, 09:46
Forum: XC90 1st gen 2003-2014
Topic: Vida CEM swapping
Replies: 4335
Views: 587547

Re: Vida CEM swapping

vtl wrote: 14 Jan 2024, 07:08
emericaz wrote: 14 Jan 2024, 04:37 I can’t get it right
What do you have in file and what have you tried?
I tried like this
by emericaz
14 Jan 2024, 04:37
Forum: XC90 1st gen 2003-2014
Topic: Vida CEM swapping
Replies: 4335
Views: 587547

Re: Vida CEM swapping

vtl wrote: 13 Jan 2024, 20:47
emericaz wrote: 13 Jan 2024, 20:36 08688434
No shuffle. But no one verified ;)
I can’t get it right
by emericaz
13 Jan 2024, 20:36
Forum: XC90 1st gen 2003-2014
Topic: Vida CEM swapping
Replies: 4335
Views: 587547

Re: Vida CEM swapping

vtl wrote: 13 Jan 2024, 15:01
emericaz wrote: 13 Jan 2024, 14:51 Thanks for the quick reply.
I need to change anything on the numbers or the order?
Swap odd and even bytes, and then maybe shuffle them. What's your part number?
08688434
by emericaz
13 Jan 2024, 14:51
Forum: XC90 1st gen 2003-2014
Topic: Vida CEM swapping
Replies: 4335
Views: 587547

Re: Vida CEM swapping

vtl wrote: 13 Jan 2024, 12:08
emericaz wrote: 13 Jan 2024, 11:22 What PIN @4000 means?
Open the file in hex editor, go to address 0x4000 in hexadecimal or 16384 in decimal.
Thanks for the quick reply.
I need to change anything on the numbers or the order?
by emericaz
13 Jan 2024, 11:22
Forum: XC90 1st gen 2003-2014
Topic: Vida CEM swapping
Replies: 4335
Views: 587547

Re: Vida CEM swapping

What PIN @4000 means?
by emericaz
05 Jan 2024, 05:19
Forum: XC90 1st gen 2003-2014
Topic: Vida CEM swapping
Replies: 4335
Views: 587547

Re: Vida CEM swapping

Hi! Someone can check my 2003 CEM dump for me? This is my first try on something like this and i dont want to brick it.