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Odometer Algorithms Manual Calculations Explained For Studies
27-12-2017, 22:51 PM, (This post was last modified: 03-09-2018, 00:24 AM by volavka.)
Post: #21
0Immo  Peugeot 207 2010 Bsi Control johnson with eeprom 95128
This method how to change km for Peugeot 207 2010 Bsi Control johnson with eeprom 95128

1st variant under
for exemple we need 50.000km
set the calculator Dec
50000 *10 = 500000 ;
500000 To Dec = 07 A1 20 hex ;
07 A1 20 hex = > Not F8 5E DF ;
So the km is F8 5E DF

this 2nd variant to calc same value nerd
km + add 0 = 500000 > 07A120 hex > Not F8 5E DF
Done same value above

write the value 8 times, start from line h0x4c03


Job Done
if there ny Question . Please Post Here idea

Cheers cheers

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02-03-2018, 21:09 PM,
Post: #22
RE: Dash Algorithms Explained
Figured I would add this one, haven't posted here in a while. smile

Lincoln MKX 93c76

Files are calculated in Km so if you need Miles convert to Km first.

100,000.000 Km

0050: xx xx xx xx 0a 19 00 e1 f5 05 0a 19 00 e1 f5 05
0060: 0a 19 00 e1 f5 05 0a 19 00 e1 f5 05 0a 19 00 e1
0070: f5 05 0a 19 00 e1 f5 05 0a 19 00 e1 f5 05 0a 19
0080: 00 e1 f5 05 0a 19 00 e1 f5 05 0a 19 00 e1 f5 05
0090: 0a 19 00 e1 f5 05 0a 19 00 e1 f5 05 xx xx xx xx

First two bytes CS, last four mileage inverted to decimal = Km X 1000

00 e1 f5 05 inverted 05 f5 e1 00 to decimal = 100,000.000

CS set calculator to WORD f505+00e1 = f5e6 NOT 0a19

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03-06-2018, 15:05 PM, (This post was last modified: 03-06-2018, 15:07 PM by Clusters.)
Post: #23
RE: Dash Algorithms Explained
Alrighty, if you do this next one manually, you are a sucker for punishment as there can be a couple of hundred lines to edit. rolling

This is a better one to do with scripts because of the time involved but thought I would post it so people could understand how it works.

Fujitsu processor found in a lot of newer cars, haven't verified on a whole lot of them but some Toyota and Hyundai use the same algo. I also didn't check to see if the mileage is in the same lines in each processor.

When looking at an original file you will see the mileage is a different value in most lines, as the processor counts up, but when editing it the mileage values can all be the same.

Refer to the pic below of 10000 Km.

First off, 0x22-0x23 is 06a6, which is our constant of 06a4 + 02 (0x26-0x27)

Now to the calculation, and this will be referring to line 0x30 only. The mileage is in straight decimal as at 0x34-0x37, which is the easy part.

The bytes at 0x30-0x31 are not edited and the CS (0x32-0x33) is calculated as follows....

The CS is our constant of 06a4 plus each other byte in the line (0x30-0x31 and 0x34-0x37)

0x30: 00 02 CS CS 00 01 00 00: CS = 06a4 + 00 + 02 + 00 + 01 + 00 + 00 = 06a7

That gives us a corrected line of: 0x30: 00 02 06 a7 00 01 00 00, now just up to a couple of hundred more. wink

Have fun with this one. biggrin


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10-06-2018, 11:10 AM, (This post was last modified: 03-09-2018, 01:34 AM by volavka.)
Post: #24
[split] Golf 4 pin code by dump
(06-02-2017, 22:54 PM)HETPE3B Wrote:  
(06-02-2017, 19:51 PM)keyzex Wrote:  I follow this thread because I want to learn and do things yourself.
Right now I'm trying to change the VIN in a dump (93C56 VDO) from an BMW E39 -97.
I think I've found the right place, now starting to work, for I find no program that can confirm what I do.
So now it would be fun if the pros come in and teach us beginners nod

Per your screenshot it seems that VIN number is RB86354. But it doesn't seem to be a legit VIN number.
Thank you, You confirmed that I succeeded.

In this case, are used only the final seven characters of the VIN, number on BMW.
So now I try to modify km to 5000. But I do not understand how to use XOR in the examples above.

Verision:
VDO 110.008.784/022
SW:5.0
HW:0.5

Current: 187363 km
change to: 005000 km

After many attempts, I think I got it right but are not sure.

40: 8E 2D 10 18 43 E1 8E 2D 10 18 43 E1 FF FF FF FF

On other cars where I changed from, say, 234556 km to 185000 km the result is 185022 km when it is finished, why is it so?

This could be a good educational topic.
[attachment=42031]


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20-06-2018, 14:35 PM, (This post was last modified: 03-09-2018, 01:04 AM by volavka.)
Post: #25
[split] Ford Radio Code Calculator by V Serial & Dump (2in1) 50% off
This thread must need to be active and need to encourage Expert to contribute so people like me can learn a lot.

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20-07-2018, 11:06 AM, (This post was last modified: 20-07-2018, 11:35 AM by Crysis05.)
Post: #26
RE: Dash Algorithms Explained
my solution of DCM3.4
---------------------------------------------------------------------------------
Vin:VF1KW05B545040074
K m : 325791 km
Err 1: 325779 km
Err 2: 325700 km
Err 3: 0 km
---------------------------------------------------------------------------------
1. search all hex values contains 04F89F
2. change mileage Hex TO dec 04F89F -> 325791 km


3. change mileage dec TO hex 246791-> 03C407



4.Replace values 04F89F to 03C407 in all founded places
5. change km to 246791 km in all founded places
04F89F= 325791 km
04F893 = 325779 km
04F844 = 325700 km

and Replace Values 04F893 to 03C407
Values 04F844 to 03C407

Coriction crc New Milage 246791 km ok !!!!
car start

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25-07-2018, 20:00 PM, (This post was last modified: 26-07-2018, 10:05 AM by Crysis05.)
Post: #27
RE: Dash Algorithms Explained
DFSK CHINA

CHANGE KM DACH

°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°

OLD :108282 km
NEW :068210 km

°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°
108282 KM

hex 01 = 01 dec
hex 08 = 08 dec
hex 1c = 28 dec
hex 15 = 21 dec

01 08 28 21 = 0108282.1 km
°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°
068210 KM

hex 00=00 dec
hex 44=68 dec
hex 15=21 dec
hex 00=00 dec


0.068210.0

°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°

hex 3c = 60 dec
hex 35 = 53 dec

605.3 m

A great greeting to the esteemed Clusters

===============================================

milage chery QQ. 2015-2016-2017-2018

Atmega 16A

OLD MILAGE:66173 km
new MILAGE:15200 km
°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°
ORI 66173 KM
00000000: 0335 3508 2303 3535 0823 0661 7308 2537
00000010: C813 8609 0335 3508 2303 3535 0823 0661
00000020: 7308 2537 C813 8609 FA03 1386 09FA 0659

37=CRC = 03+35+35+08+23+03+35+35+08+23+06+61+73+08+25=237

C8=CRC = 03x1+35X2+35X3+08X4+23X5+03X6+35X7+35X8+08X9+23X10+06X11+61X12+73X13+08X14+25X15+37X16 =C8


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14-08-2018, 22:11 PM, (This post was last modified: 11-09-2018, 22:38 PM by volavka.)
Post: #28
1111111111
This Method how To change Peugeot 308 2012 with Continental Dash 93C66.
for exaample 50.000

Now come on to calc the km in the Dash manually

50.000 *10 = 500000 to hex 07A120 > swap = 20A107 xor FFFFFF = DF5EF8

now replace the 1st/2nd value in column 1 20A107 and column 2 DF5EF8

0x00: 0C A2 20 A1 07 00 DF 5E F8 FF 20 A1 07 00 DF 5E F8
0x10: FF 20 A1 07 00 DF 5E F8 FF 20 A1 07 00 DF 5E
0x20: F8 FF 00 00 00 00 00 00 00 00 00 01 09 01 F8 00

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15-08-2018, 13:19 PM, (This post was last modified: 03-09-2018, 00:52 AM by volavka.)
Post: #29
[split] TOYOTA Techstream V13.00.022 (02/2018) + Activation
I hope this can be easy to understand
1) set to window calculator to hex
2) enter kilometer value
3) xor to FFFFFF


[Image: denso_zpsnrmzhrmv.jpg]

Algo used for Hyundai Accent, Porsche 991/997, old benz and others

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02-09-2018, 00:50 AM,
Post: #30
RE: Dash Algorithms Explained
Tata zeta with eeprom 93c56

dec 100.000km /16 = 6250 to hex 186A xor FF FF = E795 invert byte = 95E7

Km begins from line 0x00 till 0x01f

Good luck

Next algo plz biggrin

Professional Service IMMO/Odometer/AirbaG/Carradio drive
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