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DTC - Diagnostic Trouble Codes information

P0685

Powertrain Codes

P0685 - KIA - Electronic Control Module Power Relay Control Circuit Malfunction

Symptoms

- Engine Light ON (or Service Engine Soon Warning Light)

Possible Causes

- ECM power control circuit is open or shorted - Failed ECM power relay - Failed ECM

Tech Notes

Check all the ECM fuses, if the fuses are OK try replacing the ECM relay.

Description

The Engine Control Module (ECM) has detected that the ECM remains powered up after the ignition key has been turned off