[Just-in-credible]

Yes, I believe these are the same. It was the pin that feeds the OBD2 port. On my pin out for my PCM, both pins 58 and 59 on the blue plug were class 2 serial data wires. 58 fed the OBD2, and 59 was unused. So I added a pin to 59, tied the TCCM to this wire, and called it good.