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600+duramax
August 18th, 2016, 02:40 PM
I have been trying to edit a t87 trans tune. When I try to open it in 7.5 it's giving me a unrecognized pcm message. It will not open the t87 tune file. Any idea why this is happening? I have done all of the updates.
GMC-2002-Dmax
August 18th, 2016, 10:06 PM
Post the tune file up here
600+duramax
August 19th, 2016, 01:25 AM
20109
ScarabEpic22
August 19th, 2016, 03:53 AM
I'm able to open this with the latest beta version, are you using the Public release from the EFILive.com website or the latest beta from the EFILive forums? Download the beta and try again.
600+duramax
August 19th, 2016, 05:54 AM
I'm able to open this with the latest beta version, are you using the Public release from the EFILive.com website or the latest beta from the EFILive forums? Download the beta and try again.

The one from efi live website. Can you shoot me a link? Did you open it with 7.5? Thanks!!
600+duramax
August 19th, 2016, 02:28 PM
Thanks got it!!!
ScarabEpic22
August 22nd, 2016, 05:13 AM
The one from efi live website. Can you shoot me a link? Did you open it with 7.5? Thanks!!

Yes with V7.5 Tune tool.


Thanks got it!!!

Glad to hear it!