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Oct 18, 2009, 04:46 PM
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#1
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Newbie
Personal Sales Rating: ( 4)
Join Date: Dec 2008
Location: Fort Collins/Co. Springs, Colorado
Posts: 99
Drives: 2003 Evolution, 1998 Trans Am
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Cant read Write ECU with evoscan???
So i got the program to log my evo but i cannot read or write to the rom, it says error usb cable disconnected or in use
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Oct 18, 2009, 04:49 PM
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#2
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Evolved Member
Personal Sales Rating: ( 50)
Join Date: Jul 2005
Location: Roselle, IL
Posts: 1,776
Drives: '06 RR IX RS / '99 Maroon GSX
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Is Evoscan running while you try to write to ecu via Ecuflash? if so, disable Evoscan and then write.
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Oct 18, 2009, 05:14 PM
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#3
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Newbie
Personal Sales Rating: ( 4)
Join Date: Dec 2008
Location: Fort Collins/Co. Springs, Colorado
Posts: 99
Drives: 2003 Evolution, 1998 Trans Am
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i am trying to read the ecu with evoscan i dont have ecuflash
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Oct 18, 2009, 05:48 PM
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#4
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Evolved Member
Personal Sales Rating: ( 2)
Join Date: Mar 2003
Location: montery Bay
Posts: 1,885
Drives: 2003 blue EVO
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evoscan is a data logger. you can only read the ECU when you have the live graphing turned on.
ECUFlash is the tool you need to modify the rom.
another possibility is that your ECU is "locked" with a scrabbled ECU ID, and you will have to locate the unlocker tool to clear this up before being able to read the ecu properly
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Oct 19, 2009, 10:03 AM
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#5
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Newbie
Personal Sales Rating: ( 4)
Join Date: Dec 2008
Location: Fort Collins/Co. Springs, Colorado
Posts: 99
Drives: 2003 Evolution, 1998 Trans Am
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how would i just turn the live graphing off so i can read write with evo scan?
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Oct 19, 2009, 11:02 AM
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#6
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Newbie
Personal Sales Rating: ( 4)
Join Date: Dec 2008
Location: Fort Collins/Co. Springs, Colorado
Posts: 99
Drives: 2003 Evolution, 1998 Trans Am
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so i downloaded ecuflash and i tried to read my ecu and it came back with no response to any known code and closed the interface? i know we can get into the ecu my tuner does all the time using the same software what am i doing wrong?
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Oct 19, 2009, 06:27 PM
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#7
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Newbie
Personal Sales Rating: ( 0)
Join Date: May 2008
Location: Albany, New York
Posts: 91
Drives: the short bus
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you need to run the ecu unlocker first in the back ground then open ecuflash and read from ur ecu
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Oct 19, 2009, 06:35 PM
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#8
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Newbie
Personal Sales Rating: ( 0)
Join Date: Nov 2008
Location: Colorado
Posts: 10
Drives: 03 EVO VIII
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I'm a noob to data logging and tuning. Which cable do you have? I have the same problem bc I bought the tactrix opensource 1.3r cable. It says for reading and writing but it doesn't. It also has the extra wire with connector to flash ecu.
Also, my evoscan has a button that says write to ecu. Why? If it doesn't have the capability then why is it there?
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Oct 19, 2009, 08:15 PM
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#9
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Newbie
Personal Sales Rating: ( 4)
Join Date: Dec 2008
Location: Fort Collins/Co. Springs, Colorado
Posts: 99
Drives: 2003 Evolution, 1998 Trans Am
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i have the tactrix 2.0 how do you run the ecu unlocker?
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