NefMoto > Technical > Flashing and Chipping > Dead ECU
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Author Topic: Dead ECU  (Read 19791 times)
julex
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« Reply #15 on: April 22, 2011, 07:06:19 AM »
Quote from: Tony@NefMoto on April 19, 2011, 01:48:42 PM
Something to keep in mind, if the ECU has a stored error code for invalid checksums, then the only way to remove that error code is to erase the eeprom in a programmer after desoldering it, or to flash and disconnect afterwards with the NefMoto flasher.

The invalid checksum error codes are only cleaned when disconnecting after a successful flash over OBD. Flashing with Galletto or any other boot mode tool will not trigger the ECU to clear the invalid checksum error code.

Agree. If you brick your ECU completely you need to first Galletto it to get the ECU into working shape and then flash with your tool again.

Worked for me.
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Tony@NefMoto
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2001.5 Audi S4 Stage 3
« Reply #16 on: April 22, 2011, 02:50:35 PM »
There is thread on the forum about how to convert a USB VAG KKL cable into a Galletto cable by adding a resistor. http://www.nefariousmotorsports.com/forum/index.php?topic=321.0

The post seems to have been edited to remove the schematic though...
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Giannis
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« Reply #17 on: April 23, 2011, 12:44:16 AM »
Quote from: julex on April 22, 2011, 07:06:19 AM
Quote from: Tony@NefMoto on April 19, 2011, 01:48:42 PM
Something to keep in mind, if the ECU has a stored error code for invalid checksums, then the only way to remove that error code is to erase the eeprom in a programmer after desoldering it, or to flash and disconnect afterwards with the NefMoto flasher.

The invalid checksum error codes are only cleaned when disconnecting after a successful flash over OBD. Flashing with Galletto or any other boot mode tool will not trigger the ECU to clear the invalid checksum error code.

Agree. If you brick your ECU completely you need to first Galletto it to get the ECU into working shape and then flash with your tool again.

Worked for me.
Worked for me too. My ecu seemed to stayed in program mode so i used galletto in boot mode to recover and then tony's program to clear the bad checksum error.
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hammersword
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Revlimit ECU tuning


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« Reply #18 on: April 23, 2011, 06:10:22 AM »
Gianni make me a call if you have any more troubles
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Giannis
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« Reply #19 on: April 23, 2011, 06:30:49 AM »
Quote from: hammersword on April 23, 2011, 06:10:22 AM
Gianni make me a call if you have any more troubles
Thank you for the offer i hope i won't have any problems in the future, i also don't think i have your number.
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