P1564 JEEP Cruise Control System – Vehicle Accel Too High
– ASCD Steering Switch circuit poor electrical connection
– Faulty ASCD Steering Switch
– Faulty Engine Control Module (ECM)
– Automatic Speed Control (Cruise Control) system may stop working
Automatic Speed Control Device (ASCD) (Cruise Control) steering switch has variant values of electrical resistance for each button. The Engine Control Module (ECM) reads voltage variation
of switch, and determines which button is operated.