Tl* the contact owns a 2007 cadillac sts. the contact stated that when an occupant was seated in the front passenger seat, the passenger side air bag sensor did not illuminate. the contact stated that the vehicle was experiencing the same symptom as listed in nhtsa campaign number: 10v644000 (air bags). the vehicle was taken to an independent mechanic who stated that the passenger seat switch module needed to be replaced. the vehicle was not repaired. the manufacturer was notified, but was not able to assist. the failure mileage was 169,000.