As for JTAG/BDM hardware, I have some http://www.macraigor.com/wiggler.htmWigglers laying around. We use them at work and people just toss them all too often. I rescue when I can!

Has anyone discovered the JATG or BDM ports on any of the ECM's? This would provide the easiest way to background debug a PCM/ECM. Where I work we use JTAG to flash the early proto products, and then when we get the software into our flash tool, then we use that. But one of the first things we make ...