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Ford 24C64 digital cluster
26-02-2021, 18:17 PM, (This post was last modified: 01-05-2021, 23:44 PM by dosmeister.)
Post: #1
Ford 24C64 digital cluster
Working on a 2021 Ford digital cluster with 24C64 eeprom.  The image below is a side-by-side hex compare of two reads of the eeprom with the highligted bytes showing different values between the two.  The left column read is with 337.2 miles (542Km) displayed on cluster and the right column read is with 341.3 miles (549Km) displayed.  The highlighted bytes seem to be the mileage written twice and I've verified that swapping all the highlighted bytes from one file to the other will change the mileage and it seems to be an all or nothing change because only changing some of the highlighted bytes will not display a different mileage or will cause the odometer to display 0.5 miles.   Anyone have any ideas on the algorithm here?

[Image: y2tBcpd.jpghttp:]
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[-] The following 1 user says Thank You to dosmeister for this post:
  • aaronpaul
26-02-2021, 18:23 PM,
Post: #2
RE: Ford 24C64 digital cluster
Where is your file?

After browsing to your archived file, you need to click Add Attachment on the right.

If someone took the time to help you, the least you can do is take a few seconds and press two buttons! 

Thanks [Image: tyl_add.png] + [Image: postbit_reputation.gif] reputation.

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26-02-2021, 21:39 PM, (This post was last modified: 26-02-2021, 21:42 PM by dosmeister.)
Post: #3
RE: Ford 24C64 digital cluster
Sorry, file added now in original post.
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01-05-2021, 23:45 PM,
Post: #4
RE: Ford 24C64 digital cluster
My original post above has been completely edited with new information. Thank you for any help
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