Possible Causes

8-way specification seating: Front seat cushion tilt motor circuit short circuit to ground, short circuit to power
10-way specification seating: Front seat cushion tilt motor circuit short circuit to ground, short circuit to power
16-way specification seating: Second row seat backrest recline motor circuit short circuit to ground, short circuit to power
18-way specification seating: Right calf rest actuator motor circuit short circuit to ground, short circuit to power