P0689
Powertrain Codes
P0689 - MAZDA - Electronic Control Module Power Relay Sense Circuit Low
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
Possible Causes
- Failed ignition switch - Open circuit condition - PATS system malfunction - Faulty relay
Description
The PATS system has detected the igntion switch is in the on position while the Engine Control Module (ECM) has detected the system is off