OBD Code P0579

Cruise Control Multi-Function Input “A” Circuit Range/Performance

What’s mean?

OBD2 Code P0579 Definition:

Symptoms

Possible sumptoms of P0579
– Engine Light ON (or Service Engine Soon Warning Light) – Cruise control system inoperative

Possible Causes

Possible causes of P0579
– Cruise control input circuit is open or short – Cruise control input circuit poor electrical connection – Faulty cruise control function switch The Error code is generally activated on detection of the following conditions: The ECM has detected a multifunction switch A input error

Possible Solutions