NefMoto > Technical > Flashing and Chipping > Boot mode
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Author Topic: Boot mode  (Read 5486 times)
Bumblebee
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« on: November 13, 2013, 04:44:33 AM »
How do I put my 98 a4 aeb into boot mode not using a bench flasher? I want to flash through the obd2 port but I need to out my ecu into boot mode anyone know how to do this?
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oldcarguy85
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« Reply #1 on: November 13, 2013, 09:08:30 AM »
Removed.  ( i was wrong)
« Last Edit: November 13, 2013, 11:25:35 AM by oldcarguy85 » Logged
k0mpresd
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« Reply #2 on: November 13, 2013, 09:13:59 AM »
Quote from: oldcarguy85 on November 13, 2013, 09:08:30 AM
you will need to pull the cover off the ecu and leave it connected to teh car.  As far as i'm aware, there is no way to enter boot mode without removing the ECU cover and grounding boot mode bin during power on.

um no. there is no bootmode on m3/5.
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Bumblebee
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« Reply #3 on: November 13, 2013, 11:21:55 AM »
If there's no boot mode how can I read/write my ecu without bench flashing giac and apr said it can be done via obd2 port. But they said it needs to be in boot mode to do so
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oldcarguy85
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« Reply #4 on: November 13, 2013, 11:24:53 AM »
Quote from: k0mpresd on November 13, 2013, 09:13:59 AM
um no. there is no bootmode on m3/5.
sorry for the misinformation (didn't realize that's what that car used).  removing contents of that post now (so as not to confuse anyone).
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k0mpresd
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« Reply #5 on: November 13, 2013, 12:32:42 PM »
Quote from: Bumblebee on November 13, 2013, 11:21:55 AM
If there's no boot mode how can I read/write my ecu without bench flashing giac and apr said it can be done via obd2 port. But they said it needs to be in boot mode to do so

read? desolder and use a programmer. write? use the proper tool.
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Bumblebee
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« Reply #6 on: November 13, 2013, 01:39:02 PM »
What am I desildering the chip or ?? I'm new to the flashing audi I've done Hondas and I do realize there is a lot more to audis that's why I want to read my ecu and write my own program for my car
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prj
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« Reply #7 on: November 17, 2013, 03:57:37 AM »
You can start by dropping the text speak and using proper punctuation.
These ECU's can only be *written* over the port (and even then, it is tricky if the car is immobilised).

To read your original you need to desolder the 29f200 and read it in a programmer.
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