AutoCodes – Honda – P0606 2009 Honda Accord

P0606 2009 Honda Accord Code - ECM Processor Malfunction

Quick Answer

The Engine Control Module (ECM) continuously monitors its internal memory status, internal circuits, and output signals to the throttle actuator. Common causes include Engine Control Module (ECM) Harness power supply circuit is open or shorted, Engine Control Module (ECM) Programming, Faulty Engine Control Module (ECM). Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P0606 2009 Honda Accord indicates ECM Processor Malfunction.
Common causes: Common causes include Engine Control Module (ECM) Harness power supply circuit is open or shorted, Engine Control Module (ECM) Programming, Faulty Engine Control Module (ECM).
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 4,219

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0606 2009 Honda Accord Description

The Engine Control Module (ECM) continuously monitors its internal memory status, internal circuits, and output signals to the throttle actuator. This selfâˆ’check insures that the ECM is functioning properly. If any malfunction is detected, the ECM will set the code and illuminate the engine light.

OBDII Code P0606 2009 Honda Accord - ECM Processor Malfunction - AutoCodes.com — P0606 2009 Honda Accord Code - ECM Processor Malfunction

What does this mean?

What are the Possible Causes of the DTC P0606 2009 Honda Accord?

Engine Control Module (ECM) Harness power supply circuit is open or shorted
Engine Control Module (ECM) Programming
Faulty Engine Control Module (ECM)

How to Fix the DTC P0606 2009 Honda Accord?

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

What does this mean?

Code Tech Notes

Check the ECM fuse, if fuse is OK try erasing the code first and if the code comes back you may have to reprogram or replaced the ECM.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0606 2009 Honda Accord code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0606 2009 Honda Accord code?

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Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0606 2009 Honda Accord Code

1. What does OBDII code P0606 mean for a 2009 Honda Accord?

The P0606 code indicates an ECM (Engine Control Module) Processor Malfunction.

2. What are the common symptoms of P0606 in a 2009 Honda Accord?

Common symptoms may include engine stalling, rough idling, poor acceleration, and the illumination of the Check Engine light.

3. What are the possible causes of the P0606 code in a 2009 Honda Accord?

Potential causes of the P0606 code include a faulty ECM, damaged wiring or connectors, software issues, or a low vehicle battery voltage.

4. How can I diagnose the ECM Processor Malfunction in my 2009 Honda Accord?

Diagnosing the P0606 code typically involves using an OBDII scanner to retrieve the fault code and then conducting further testing to pinpoint the exact cause, such as checking the ECM connections and wiring.

5. Can driving with a P0606 code pose any risks to my 2009 Honda Accord?

Continuing to drive with the P0606 code may lead to further damage to the ECM and other engine components, potentially causing more severe issues over time.

6. Is it safe to clear the P0606 code in a 2009 Honda Accord without addressing the underlying problem?

Clearing the code without fixing the underlying issue may temporarily turn off the Check Engine light, but the problem will likely resurface if the root cause is not addressed.

7. How can I repair the ECM Processor Malfunction in my 2009 Honda Accord?

Repairing the P0606 code may involve replacing the ECM if it is found to be faulty, repairing damaged wiring or connectors, updating software, or addressing low battery voltage issues.

8. Can a DIY enthusiast fix the P0606 code in a 2009 Honda Accord?

While some basic troubleshooting steps can be performed by DIY enthusiasts, diagnosing and repairing the ECM Processor Malfunction may require specialized tools and expertise, so professional help is recommended.

9. How much does it typically cost to repair the P0606 code in a 2009 Honda Accord?

The cost of repairing the P0606 code can vary depending on the specific cause of the issue, but it may range from a few hundred dollars for basic repairs to over a thousand dollars if the ECM needs to be replaced.

10. Will fixing the P0606 code improve the performance and fuel efficiency of my 2009 Honda Accord?

Addressing the ECM Processor Malfunction should help restore proper engine performance and fuel efficiency in your Honda Accord, making it run more smoothly and efficiently.