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P0685 2010 Honda Accord Code - Engine Control Module Power Relay Control Circuit Open

- Code Popularity: 10,103 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0685 2010 Honda Accord?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other 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
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How to Fix the DTC P0685 2010 Honda Accord?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0685 2010 Honda Accord code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code P0685 2010 Honda Accord 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 2010 Honda Accord - Engine Control Module Power Relay Control Circuit Open - AutoCodes.com
P0685 2010 Honda Accord Code - Engine Control Module Power Relay Control Circuit Open

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Code P0685 2010 Honda Accord comments

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