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Author Topic: Read issue-Factory ECU  (Read 358 times)
nxm08240
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« on: December 14, 2018, 01:51:11 PM »

I'm trying to read an ME7.5 ECU in a 1.8t. I can connect and read the ECU info just fine. When I go to pull the file off of it, I'm getting a memory validation error. I've verified that it's the stock tune by running the car on the dyno. Any input would be appreciated. Thanks!

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Validating flash memory starts at 0x00800000 and ends at 0x00900000.
Validation failed, ECU reports RequestUpload was rejected. RequestUpload may have been disabled by aftermarket engine software.
Memory layout validation failed.
Starting to read data block.
Requesting upload from ECU for address range 0x00800000 to 0x00803FFF.
Request upload from ECU failed, ECU reports RequestUpload was rejected. RequestUpload may have been disabled by aftermarket engine software.
Reading ECU flash memory failed. Trying to force ECU to recognize read operation is complete.
Finished forcing ECU to recognize that failed read operation is complete.
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nyet
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« Reply #1 on: December 14, 2018, 01:55:23 PM »

I've verified that it's the stock tune by running the car on the dyno.

That means nothing, considering many aftermarket tunes have stock mode.

Boot mode. Bet you $100 it isn't stock.
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
nxm08240
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« Reply #2 on: December 14, 2018, 02:04:07 PM »

Good to know. I'm coming over from the world of Subaru's so I'm spoiled with Cobb software... Haha. Am I able to flash a file over this one that is on here? Or does the ECU need to be bench flashed back once, then I can flash via OBD?
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nyet
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« Reply #3 on: December 14, 2018, 02:56:08 PM »

Depends if the ecu has a riser for the flash.

If it doesn't, you can flash over it in bootmode with a stock file.

You'll have to open the ECU case to make sure.
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
nxm08240
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« Reply #4 on: December 14, 2018, 04:32:25 PM »

Ok, looks straight forward. Just to clarify, if it has the riser, I should be able to flash a stock file over the current one through the nefmoto flasher?
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