Bizzarro...
Pressing the Homelink garage door opener button causes the V1 to false on the X band... While the orig. door opener doesn't

The V1 is hardwired, but taped off a line under the fuse box, driver's side kick panel, not off the wires that run into the homelink, so there shouldn't be a power irregularity that causes the V1 to false.

its about the location of the homelink .. mine does the same thing. and with dvd remote only on the right arrow button.. but the av box remote set it off almost always..