One problem related to automatic transmission cooler has been reported for the 1999 Dodge Ram 2500. The most recently reported issues are listed below.
The vehicle hesitated when changing gears. The consumer notice fluid on the ground of the parking lot. The dealership indicated that this occurred because the transmission cooler lines were defective and fluid leaked out. The manufacturer and the dealership were aware of this issue, and were installing an updated line and spring to correct the failure. The abs lights and the brake light were on and was diagnosed as rear wheel speed sensor failure.