Possible causes

– Faulty Cruise Control Function Switch
– Cruise Control Function Switch harness is open or shorted
– Cruise Control Function Switch circuit poor electrical connection

When is the code detected?

The P0577 codes is set when there is a malfunction with the cruise control system.

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)
– Cruise control system inoperative

P0577 Information for specific makes

P0577 MAZDA