Right. A module separate from the air bag system control module that detects passenger in Seat. Air Bag Seat Sensor Mat. Part also included in passenger Seat assembly. Part included in vehicles equipped with power Seats. back heater. cushion HEATER. Air Bag Passenger Presence Module. Air Bag Sensor Mat. Computer, Occupant D. CONTROL MODULE. Ft air bag. Mount base. Panel. PASSENGER DiscRIMINATING Sensor. Included with: Seat assembly.