Conditions for Setting the DTC

P0685

• The commanded state of the ODM and the actual state of the control circuit do not match.
• The condition is present for more than 5 seconds.

P0689

• The ECM detects less than 5 volts on the ignition 1 voltage circuit to the ECM.
• The condition is present for more than 5 seconds.

P0690

• The ECM detects more than 16 volts on the ignition 1 voltage circuit to the ECM when the relay is commanded ON.
• The ECM detects more than 2 volts on the ignition 1 voltage circuit to the ECM when the relay is commanded OFF.
• The condition is present for more than 2 seconds.