No power to tach, whats the problem? in MegaSquirt Posted November 3, 2007 I've connected my laptop to the controller while in the car and I get nothing. I've used the port checker and it told me MSnS_E 021s. I've activated 021s in MT and configured the embedded code parameter. When I have the stimulator hooked up, MT will only respond to a baud rate of 9600. Isn't MSnS_E supposed to be 115200? IDK, sounding familiar to anyone?