NefMoto > Technical > Flashing and Chipping > MED17.5 OBD The data could not be written
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Author Topic: MED17.5 OBD The data could not be written  (Read 3475 times)
liuxiangqing858
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« on: May 10, 2022, 08:36:47 AM »
I tuned my car about thirty times using pcmflash OBD, but suddenly I couldn't write, I couldn't use autotuner to try the bench way, ODIS couldn't refresh, and currently I could only read and write through ktag. Sorry, my English is very poor and can only be communicated through translation software. Can someone give some advice? Thank you very much.
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IamwhoIam
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« Reply #1 on: May 10, 2022, 08:49:45 AM »
thirty or 99 times? show us your flash counter Cheesy
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liuxiangqing858
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« Reply #2 on: May 10, 2022, 09:13:23 AM »
Quote from: IamwhoIam on May 10, 2022, 08:49:45 AM
thirty or 99 times? show us your flash counter Cheesy
Is it a limit of 99 times? I noticed that when I write once with PCM, it will produce two records. Now I have 60 records, so I infer that I wrote 30 times. I can also confirm the specific write times tomorrow. It's early morning here.
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xXxCryxXx
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« Reply #3 on: May 10, 2022, 09:44:01 AM »
Quote from: liuxiangqing858 on May 10, 2022, 08:36:47 AM
I tuned my car about thirty times using pcmflash OBD, but suddenly I couldn't write, I couldn't use autotuner to try the bench way, ODIS couldn't refresh, and currently I could only read and write through ktag. Sorry, my English is very poor and can only be communicated through translation software. Can someone give some advice? Thank you very much.
Is that tuned before? If yes maybe there is an obd2 block of reading & writing data from the tuner it self i do that to for some Costumer so you will need a boot read… did you tune it by your self? Or is it from a tuner that file?


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prj
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« Reply #4 on: May 10, 2022, 11:42:53 AM »
Flash counter full. PCMFlash does a full flash incl. unlock each and every time and does not freeze the flash counter either.
Bench or boot will work, and you need to reset the counter.
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xXxCryxXx
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« Reply #5 on: May 10, 2022, 01:18:20 PM »
Quote from: prj on May 10, 2022, 11:42:53 AM
Flash counter full. PCMFlash does a full flash incl. unlock each and every time and does not freeze the flash counter either.
Bench or boot will work, and you need to reset the counter.
OBD2 lock is also possible Smiley


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prj
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« Reply #6 on: May 10, 2022, 01:19:45 PM »
Quote from: xXxCryxXx on May 10, 2022, 01:18:20 PM
OBD2 lock is also possible Smiley


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You know what else is possible? That you can't read for shit.
Read the first post again where he said that he wrote it by OBD 30+ times.
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xXxCryxXx
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« Reply #7 on: May 10, 2022, 01:22:05 PM »
Quote from: prj on May 10, 2022, 01:19:45 PM
You know what else is possible? That you can't read for shit.
Read the first post again where he said that he wrote it by OBD 30+ times.
Oh yes sorry ☹️ you are right my fault


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liuxiangqing858
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« Reply #8 on: May 10, 2022, 04:41:38 PM »
Quote from: prj on May 10, 2022, 11:42:53 AM
Flash counter full. PCMFlash does a full flash incl. unlock each and every time and does not freeze the flash counter either.
Bench or boot will work, and you need to reset the counter.
What should I do to reset him.
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liuxiangqing858
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« Reply #9 on: May 10, 2022, 04:43:39 PM »
Quote from: xXxCryxXx on May 10, 2022, 09:44:01 AM
Is that tuned before? If yes maybe there is an obd2 block of reading & writing data from the tuner it self i do that to for some Costumer so you will need a boot read… did you tune it by your self? Or is it from a tuner that file?


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I made the adjustment myself 30 times, but it's been a long time, from stage 1 stage2. stage3。
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prj
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« Reply #10 on: May 11, 2022, 12:06:05 PM »
Look at your flash counter, then look at your eeprom.
Figure out where it is, zero it, write the eeprom back.
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