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Offline techno550  
#1 Posted : 23 July 2020 07:22:52(UTC)
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This apparently needs to be corrected outside of hexprog for CAS3. (hexprog will do cas3+ but not cas3.)

What/how do I need to edit this to fix the mileage?

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Offline PDXAutoworks  
#2 Posted : 23 July 2020 07:58:41(UTC)
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Mileage is in first two lines
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Offline techno550  
#3 Posted : 23 July 2020 08:13:00(UTC)
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Originally Posted by: PDXAutoworks Go to Quoted Post
Mileage is in first two lines

first two lines of the CAS3 dump:
00 FF FF FF 42 05 14 08 08 3C 28 00 09 02 00 DA
00 C5 FF FF FF FF 00 CC FF FF FF FF 00 CD FF FF


mileage is 330864 km (which should be 050C70 in hex?)
I do not see that in the first two lines.
Offline AUTOHEX_BMW  
#4 Posted : 23 July 2020 11:48:15(UTC)
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Originally Posted by: PDXAutoworks Go to Quoted Post
Mileage is in first two lines


In dash is in first two lines.
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Offline Findlaybum  
#5 Posted : 23 July 2020 13:53:41(UTC)
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Originally Posted by: techno550 Go to Quoted Post
Originally Posted by: PDXAutoworks Go to Quoted Post
Mileage is in first two lines

first two lines of the CAS3 dump:
00 FF FF FF 42 05 14 08 08 3C 28 00 09 02 00 DA
00 C5 FF FF FF FF 00 CC FF FF FF FF 00 CD FF FF


mileage is 330864 km (which should be 050C70 in hex?)
I do not see that in the first two lines.[/quot

post your dump mate .. it's not rocket science ...............

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Offline techno550  
#6 Posted : 23 July 2020 15:21:40(UTC)
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CAS3_EEPROM_2020_07_22_19_09_48.zip (2kb) downloaded 8 time(s).

Hopefully the file attached. it would not let me upload a .bin, so I zipped the file.

This is the CAS3. Not a 3+, and not the cluster.

I disassembled the cluster, removed the M35080, put it in the reader, read it, edited it, wrote it back, put the chip back on the cluster, reassembled the cluster, and put it in the car. with no CAS plugged in, it worked and displayed correct mileage.
I then disassembled CAS3. soldered the leads to it. read the file. Autohex does not give me the option to edit mileage, so I hoped it would read from the cluster when plugged in. Instead it updated the cluster back to the wrong mileage. So I will be removing the cluster again and repeating that process, but FIRST I must fix the mileage in the CAS. this is why I posted a question specifically asking about mileage in CAS3.
Offline Findlaybum  
#7 Posted : 23 July 2020 15:50:40(UTC)
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CAS3_EEPROM_2020_07_22_19_09_48 zero.rar (2kb) downloaded 7 time(s). CAS3_EEPROM_2020_07_22_19_09_48 zero.rar (2kb) downloaded 9 time(s).

should be zero mate
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Offline PDXAutoworks  
#8 Posted : 23 July 2020 23:13:56(UTC)
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My apologizes, I read your question wrong. Thought you were asking about cluster.
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Offline techno550  
#9 Posted : 01 August 2020 15:53:36(UTC)
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Followup on this. The file provided above did not zero the mileage.

I have attached the read from today before flashing the cas. This should read higher mileage. the comparison shows a number of areas that are different from the previous. Perhaps one of those is mileage? anyone have any insight? Perhaps it would be easier to find a virgin CAS to read to flash to this and then start over?
CAS3_EEPROM_2020_08_01_16_52_15.zip (2kb) downloaded 2 time(s).
Offline Findlaybum  
#10 Posted : 02 August 2020 02:47:28(UTC)
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Originally Posted by: techno550 Go to Quoted Post
Followup on this. The file provided above did not zero the mileage.

I have attached the read from today before flashing the cas. This should read higher mileage. the comparison shows a number of areas that are different from the previous. Perhaps one of those is mileage? anyone have any insight? Perhaps it would be easier to find a virgin CAS to read to flash to this and then start over?
CAS3_EEPROM_2020_08_01_16_52_15.zip (2kb) downloaded 2 time(s).


8F 0F 05 00 8A 0F. edit to 00 00 00 00 00 00

kms are in inverted Hex .. 8F OF 05... >05 OF 8F >. DEC = 331,711
cAS 3 KMS.JPG (52kb) downloaded 17 time(s).
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