No Speed Control When Set Button Is Pressed & Released
WARNING: This page is about a different car, the 1996 Eagle Vision, 1996 Dodge Intrepid, 1996 Chrysler New Yorker, 1996 Chrysler LHS, and 1996 Chrysler Concorde. However, it is still accessible from the selected car via links, so may be relevant.
Check for: blown fuse, no vacuum at servo and/or defective servo, disconnected speed control cable, brakelight switch out of adjustment, faulty electrical circuit, faulty Manual Valve Lever Position Switch (MVLPS) input to PCM and/or faulty PCM.