pAIs are in a strange position. While they are kinda lacking some things that would help them with RP things, they are rather strong as a death alarm+. I figure linking them to their owner like this could allow that when the owner can't call for help, the pAI can neither. Though given that they are riding shotgun, they can focus on the call for help/calling out the attacker while the owner is occupied with combat.
I figure with a muting with the owner, it would be acceptable powerwise in relation to the current one, as the current needs to be salvaged from the body to get it to shut up, while you can't salvage an implanted one. Though i think pAIs need to be overhauled in general, so they become less of a death alarm+, and more of a sentient Personal Data Assistant and companion. Paperwork modules, better record modules, interlinkage to the masters channels, so it can answer PDA/radio requests, things like these that should help making them more into a round-balance unaffecting fun RP thing, which they are supposed to be, is what should be looked into.