Right mirror goes erratic sometime when either front door is opened or closed.

Hello, sounds like maybe something in the mechanism is being restricted or is off - gear when the "memory" function is trying to operate. I'd have this looked at by a tech near you to evaluate. It may or may not be something resolvable without removing and replacing. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops