DTC P0568: Set/Coast Switch Signal Malfunction (3.8L Engine): Description
Cruise control SET (Set/Coast) switch sends an ignition positive voltage signal to Throttle Actuator Control (TAC) module when switch is applied. DTC sets if TAC module senses a voltage in SET switch signal circuit, when voltage should not exist. TAC module detects SET switch is in ON position for longer than 90 seconds.