Ford P0685 OBD-II Trouble Code Definition:
P0685 Electronic Control Module Power Control Circuit Malfunction
P0685 Ford OBD-II Trouble CodeDescription:
OBD Trouble Code P0685
ECM/PCM Power Relay Control Circuit /Open
What does the code mean? OBD-ii Code P0685 definition:
The Engine Control Module (ECM) has detected that the ECM remains powered up after the ignition key has been turned off
The Engine Control Module (ECM) has detected that the ECM remains powered up after the ignition key has been turned off
Symptoms Sumptoms of OBD code P0685
– Engine Light ON (or Service Engine Soon Warning Light)
– Engine Light ON (or Service Engine Soon Warning Light)
Causes Causes of the OBD-II code P0685
– ECM power control circuit is open or shorted – Failed ECM power relay – Failed ECM
– ECM power control circuit is open or shorted – Failed ECM power relay – Failed ECM
Solutions