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Author Topic: Bootmode on A6/Allroad ECU with Infineon Processors  (Read 7400 times)
VTL511
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« on: December 04, 2011, 12:51:16 AM »

tried using minimon, galletto, nefmoto and MPPS software, cant get the ECU to go into Bootmode. They start the car but cant red/flash them i have about 5 of them that are like this. Anyone have a similar issue or know what i can try to make them go into boot mode?
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ta79pr
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« Reply #1 on: December 04, 2011, 07:05:17 AM »

tried using minimon, galletto, nefmoto and MPPS software, cant get the ECU to go into Bootmode. They start the car but cant red/flash them i have about 5 of them that are like this. Anyone have a similar issue or know what i can try to make them go into boot mode?

I have to reinstall the drivers for the cable every time I try boot mode when hitting the allroad.
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02 TT tdi (BEW)
2005 allroad 2.7tM (BEL)
julex
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« Reply #2 on: December 04, 2011, 09:26:38 AM »

Sanity check:
you do short the pins to go into boot mode right?

I was successful going into boot mode with 3 separate a6/allroad ECUs, 1 original allroad, 2 A6. The trick with them is that while getting galletto to enter ECU into boot mode is usually successful, on my setup anyway, finishing read or write is a totally different affair.

The like to fail a lot.

If you ever fail after the initialization mode, do not attempt another boot mode imemdiately. Disconnect the ECU and wait AT LEST 1 minute.
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VTL511
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« Reply #3 on: December 04, 2011, 11:07:06 AM »

i short one pin 24 on the chip, what else should i try? is there a resistor i can remove or add on the ecu to fix this?
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julex
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« Reply #4 on: December 06, 2011, 12:11:31 PM »

I just soldered two wires to the pads there and routed outside of the box, this way I can short exposed conductors at will without screwing around PCB itself each time. Two short leads would work too.

Do you see activity on your galletto cable LED when you try entering boot mode?
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s-company
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« Reply #5 on: December 09, 2011, 12:30:58 AM »

is it me7.1.1?
if yes, just give 12v to pin21 and try again with normal procedere.
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VTL511
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« Reply #6 on: December 14, 2011, 07:48:52 PM »

its ME7.1
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a200tq
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« Reply #7 on: December 15, 2011, 12:44:32 AM »

Do the simple vagcom connection on the bench. If vagcom dont connect to the ecu, then you mess with on-bench wiring.
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VTL511
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« Reply #8 on: January 01, 2012, 05:32:22 PM »

yea but works on some ECU's and wont work on other Newer ecu's vagcom on bench.. Any idea why?
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