P0578
Powertrain Codes
P0578 - MAZDA - Cruise Control Multi Function Input A Circuit Stuck
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light) - Cruise control system inoperative
Possible Causes
- Cruise control input circuit is open or short - Cruise control input circuit poor electrical connection - Faulty cruise control function switch
When Detected
The P0578 codes is set when the multi-function input A circuit is stuck.