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19th June, 2019, 03:17 PM #1Member
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MC9S12HZ256CAL 3L16Y odometer correction
I need to read a MC9S12HZ256CAL 3L16Y mcu via Xprog where do I connect? To the bdm port or directly to the mcu pin? Anybody has the correct pinout to use?
Many thanks
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19th June, 2019, 04:36 PM #2V.I.P. Member
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19th June, 2019, 06:21 PM #3Member
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It is a Lotus Elise 1.6 2011
Originally Posted by jomberykaso
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19th June, 2019, 06:28 PM #4V.I.P. Member
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Good Luck!
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ilDandi (19th June, 2019)
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20th September, 2019, 07:14 PM #5Newbie
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Hi
I have no connection with this pinout with my xprog. I connected with different programmer but need info about milage location
thxLast edited by chrisro; 20th September, 2019 at 07:16 PM.
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30th July, 2021, 02:37 PM #6Member
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Well, I'm here after two years with the same issue
I read two different cluster one with 35034km and the other with 43445km
I found that the mileage is stored at 000122
But in the lower mileage one it is repeated in several other addresses
If I modify all those addresses with the mileage I want I get 000000km on the cluster
What am I missing?
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14th February, 2022, 11:00 PM #7Newbie
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The cluster probably saves the mileage at a fixed interval, for example every 5 second into a ring buffer. The lower mileage the cluster was probably power up enough long to fill the ring buffer with the last known mileage.
You are probably missing a CRC. The cluster detects altered data and ignore them.
Have you a dump of the program section of your cluster for disassembly purpose? The mileage could be set through OBD port normally.
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