P0578 Subaru Cruise Control Multi-Function Input A Circuit Stuck
Possible causes
– Faulty Cruise Control Function Switch
– Cruise Control Function Switch harness is open or shorted
– Cruise Control Function Switch circuit poor electrical connection
– Cruise Control Function Switch harness is open or shorted
– Cruise Control Function Switch circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Cruise control system inoperative
– Cruise control system inoperative
Subaru Vehicle:Subaru Forester,Subaru Impreza,Subaru Legacy,Subaru Outback,Subaru Tribeca,