P0685
Powertrain Codes
P0685 - DODGE - Auto Shutdown Relay Control Circuit Failure
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
Possible Causes
- ASD relay circuit is open or shorted - Failed Auto Shutdown relay - Failed ECM
Tech Notes
Check all the ECM fuses, if the fuses are OK try replacing the ASD relay.
Description
Short or open in Auto Shutdown (ASD) relay circuit