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C6 EBCM/Abs replacement, does it need a reflash via Tech2???

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Old Jun 5, 2016 | 01:36 PM
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Default C6 EBCM/Abs replacement, does it need a reflash via Tech2???

2007 C6 base/A6

Swapped out the EBCM.

Does it need a Tech2 flash to sync everything??

The trac/AH "service" warning and lights went away.
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Old Jun 5, 2016 | 02:11 PM
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Originally Posted by SteveDoten@ARH
2007 C6 base/A6

Swapped out the EBCM.

Does it need a Tech2 flash to sync everything??

The trac/AH "service" warning and lights went away.
not according to the factory service manual.perform diagnostic system check after replacing.page 5-194

Last edited by irok; Jun 5, 2016 at 02:19 PM.
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Old Jun 5, 2016 | 02:15 PM
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I've seen yes and no mentioned here over the years. I don't know but the person in this video mentions that he has to go to the dealer for programming after changing the EBCM.

If just want the quick answer he mentions it between 8:00 and 8:40 in the video:

https://www.corvetteforum.com/forums...-to-video.html
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Old Jun 5, 2016 | 02:46 PM
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I was a bit thrown off as the part #'s didn't match up.

I don't have any data to back up the 05-08 are in fact the same.

The "J5" on top of the EBCM is on both new/old.

I left the hydro side alone in the car.
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Old Jun 5, 2016 | 05:47 PM
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I believe that only new modules need to be programmed with the software.

Do you have a Tech2 or J2534 passthru device where you can read the software version/calibration of the EBCM? You could then compare that with the most current/correct version from GM TIS.
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Old Jun 5, 2016 | 06:07 PM
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Yep, since the ECBM is the module that is controlling AH and ABS, just need to make sure that it programmed correctly and on the most recent firmware for the car model it's installed in.

So the Ecm and BCM will see if fine, but God only know what firmware/version/car it's flashed to begin with.

Last edited by Dano523; Jun 5, 2016 at 06:09 PM.
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Old Jun 5, 2016 | 08:46 PM
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Just did this on my 13 GS and yes i had to reset the BCM's vi Tech2
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