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Author Topic: I can write to ECU via NefMoto but I can't read ECU  (Read 6812 times)
BlackT
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« on: June 01, 2019, 11:52:50 AM »

I have successfully flashed BEX software
Part Number : '8E0909518AH '
SW Version  : '0002'
HW Number   : '0261207941'
SW Number   : '1037366871'
To AWT ECU
Part Number : '4B0906018DH '
Engine ID   : '1.8L R4/5VT
SW Version  : '0004'
HW Number   : '0261207928'
SW Number   : '1037366497'


And tuned that ECU, even NefMoto give me error 'unable to validate memory layout'
https://youtu.be/8OOM5xzTxzw

But I can't read flash. Same problem I have with original ECU that came with car (BEX)
https://youtu.be/6wtay1ydSJ0

Both ECU-s are IMMO off. Also I tryed on an bench with no success

Galleto give me change speed error

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_nameless
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« Reply #1 on: June 01, 2019, 02:32:23 PM »

Nefmoto will work just ignore the layout warning or do bootmode. Galletto only works in boot mode iirc
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BlackT
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« Reply #2 on: June 01, 2019, 04:32:22 PM »

I put video im first post. Ignoring waring and still won't read ECU.
When this ECU was on ATW flash, I could read it with galleto without problems.
But now when BEX flash is in it I can't read it.
Same is with BEX original ECU.
Maybe some protection, so it can only read via boot mode
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_nameless
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« Reply #3 on: June 02, 2019, 05:43:38 AM »

Possibly. Then that means you're using someone else's file...
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BlackT
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« Reply #4 on: June 02, 2019, 11:37:45 AM »

Did you meam,someone else's file like from some tuning company??  I am using this file, found on this forum
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shanky887614
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« Reply #5 on: June 28, 2020, 05:41:10 AM »

a lot of tuners change the seed key for reading so you can write to the ecu but cant read there map off it

this stops people stealing there maps with clone tools then flashing it to others


the easiest way to fix this is to reflash the eeprom to restore the stock seed keys

there is a differnet seed key for read and write etc
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dilly
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« Reply #6 on: June 28, 2020, 11:06:01 AM »

you should be able to read in bootmode if a riser chip isn't on the board(maybe you can with some)
you can read with 800 memory method even if the flash is a 400 considering you just split the flash in half with a hex editor because all it does is duplicate the flash.
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