One problem related to air bag on-off switch has been reported for the 1999 Plymouth Voyager. The most recently reported issues are listed below.
The air bag light came on and did not go off. The horn was inoperative since the air bag light came on. The check engine light also illuminated. The vehicle was taken to the dealer, and the consumer was told they were having a lot of problems with the same vehicle. . . . . Driver's side door light switch did not work, the switch had to jiggled for the light to come on.