AutoCodes - Honda - P0685 2009 HONDA ACCORD

P0685 2009 HONDA ACCORD Code - Engine Control Module Power Relay Control Circuit Open

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|P0685 2009 HONDA ACCORD code possible causes

  • Faulty Engine Control Module (ECM) power relay
  • ECM power relay harness is open or shorted
  • ECM power relay circuit poor electrical connection
  • Blown ECM fuse
  • Faulty ECM

|How do I fix the P0685 2009 HONDA ACCORD code?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|P0685 2009 HONDA ACCORD code tech notes

Check all the Engine Control Module (ECM) fuses, if the fuses are OK, then replacing the ECM relay should take care of the problem.

|Cost of diagnosing the P0685 2009 HONDA ACCORD code

Labor: 1.0

The cost of diagnosing the P0685 2009 HONDA ACCORD code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P0685 2009 HONDA ACCORD code possible symptoms?

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

|P0685 2009 HONDA ACCORD code description

The Engine Control Module (ECM) monitors the power inputs. The ECM sets the OBDII code when the ECM remains powered up after the ignition switch has been turned OFF.
OBDII Code P0685 2009 Honda Accord - Engine Control Module Power Relay Control Circuit Open - AutoCodes.com

|Need more information with the P0685 2009 HONDA ACCORD code?

Need more information on how to fix the P0685 2009 HONDA ACCORD code?
Get Access to Factory Service Manuals

|Need help with a P0685 2009 HONDA ACCORD code?

Get the P0685 2009 Honda Accord code diagnosed by a professional: Find a repair shop in your area

|P0685 2009 HONDA ACCORD code comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the P0685 2009 Honda Accord code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧
Repair Importance Level: 3
 
1=Low 2=Medium 3=High What is this?
Repair Difficulty Level: 3
 
1=Easy 2=Moderate 3=Hard What is this?