Description
OBD-II Trouble Code Description for P0685 Dodge
ECM/PCM Power Relay Control Circuit /Open
What does this mean?
OBD2 Code P0685 Dodge definition:
The Engine Control Module (ECM) has detected that the ECM remains powered up after the ignition key has been turned off
Symptoms
Possible sumptoms of OBD code P0685 Dodge
– Engine Light ON (or Service Engine Soon Warning Light)
Causes
Possible causes of OBD code P0685 Dodge
– ECM power control circuit is open or shorted – Failed ECM power relay – Failed ECM
Possible Solutions