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Reading GM TCMs

Posted: 2023 Nov 04, 21:22
by Cougar281
This is a 'bit' out of the normal scope of this forum, which is why I've put it in 'The Range', but I figured Decipha or someone else here might know of something... Does anyone know of any software that I would be able to use with my MDI2 to read a T87 TCM with and save a raw/unencrypted BIN (Bonus points if it could also read a T87A, extra bonus points if it could flash too)? This issue is more of a software thing than a hardware thing, as obviously, I've used my MDI2 to read raw BINs out of Ford EEC-V's (and flash, of course) using PCMFlash, so it really comes down to the software to do it. I've communicated with Oleg directly and he said PCMFlash doesn't support GM TCMs, and inferred that it doesn't support most GM ECMs, with Bosch ECMs likely being the exception. Any suggestions?

Re: Reading GM TCMs

Posted: 2023 Nov 06, 13:42
by decipha
Have you tried TunerCat OBD-II ? Winflash should read it out.

Re: Reading GM TCMs

Posted: 2023 Nov 06, 14:55
by Cougar281
Is it still available? I was looking into that, however, I haven't been able to find any references for purchasing it, I've only been able to find updates, and it seems like their OBD2 stuff was sold/licensed to Jet Performance Products... I don't need a full tuning package, I'm just looking to read and maybe flash BIN files.