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No ecm tcm or gpcm
Should be able to be seen at this point and would throw every circuit code but still nothing- technodude000
- Post #8
- Forum: LML
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No ecm tcm or gpcm
So new development. Hooked just the tcm powers and cam bus wires up and can see everything but tcm still can't be seen. But that's only like this- technodude000
- Post #7
- Forum: LML
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No ecm tcm or gpcm
Even with a brand new one 2012 2500hd with 6.6 duramax- technodude000
- Post #3
- Forum: LML
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No ecm tcm or gpcm
Hey so been at this awhile. The gmlan bus is fine and if I unplug the tcm and jump the gmlan bus the whole system comes online. But as soon as I put the tcm back in can't see tcm pcm or ecm. Tried unplugging trans. Has all required powers and grounds. Any ideas I'm at a brick wall- technodude000
- Thread
- Replies: 7
- Forum: LML