P1564 Toyota Cruise Control System – Vehicle Accel Too High
Possible causes
– ASCD Steering Switch harness is open or shorted
– ASCD Steering Switch circuit poor electrical connection
– Faulty ASCD Steering Switch
– Faulty Engine Control Module (ECM)
– ASCD Steering Switch circuit poor electrical connection
– Faulty ASCD Steering Switch
– Faulty Engine Control Module (ECM)
What about the obd code?
An improper voltage signal from the Automatic Speed Control Device (ASCD) steering switch is sent to Engine Control Module (ECM).
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Automatic Speed Control (Cruise Control) system may stop working
– Automatic Speed Control (Cruise Control) system may stop working
P1564 Toyota Description
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.
Toyota Vehicle:Toyota Prius,Toyota Celica,Toyota Supra,Toyota Carina,Toyota Camry,Toyota MR2,Toyota Aygo,Toyota 4Runner,Toyota Avalon,Toyota Camry,Toyota Corolla,Toyota FJ Cruiser,Toyota Highlander,Toyota Land Cruiser,Toyota Matrix,Toyota Prius,Toyota RAV4,Toyota Sequoia,Toyota Sienna,Toyota Solara,Toyota Tacoma,Toyota Tundra,Toyota Yaris,