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