One problem related to brake antilock wheel speed sensor has been reported for the 1999 Dodge Grand Caravan. The most recently reported issues are listed below.
I own a 1999 Dodge Grand Caravan, sport edition. Yesterday while my wife was making a right turn on the street, the steering froze and the brakes failed. She went straight on the other side of the cross street and the van went dead. Upon starting the van again, the "service engine soon" light came up. The speedometer was unresponsive and somehow we brought the van home. This is probably the speed sensor that has gone bad again. Three months ago when I was driving the van on the freeway, the van went unresponsive and I had to pullover. Upon starting the van, it showed the service engine soon light and would not catch up highway speed. I had to drive at 35 mph speed on freeway at very high engine revolutions and come home. The dealer replaced the speed sensor to fix the problem. The serious thing of the problem in this van is that the problem occurs suddenly while the van is in motion. Yesterday and three months ago it could have resulted in a fatal accident.