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P0606 Honda 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 Honda 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 41,735
How popular is this code, among other codes? Medium
What is this?
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0606 Honda Description

The Engine Control Module (ECM) continuously monitors its internal memory status, internal circuits, and output signals to the throttle actuator. This self−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 Honda - ECM Processor Malfunction - AutoCodes.com
P0606 Honda Code - ECM Processor Malfunction
What does this mean?

What are the Possible Causes of the DTC P0606 Honda?

  • 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 Honda?

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 Honda 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 Honda code?

Need more information on how to fix the P0606 Honda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0606 Honda code diagnosed by a professional: Find a repair shop in your area

Information for Specific Honda Models

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 Honda Code

1. What are the common symptoms of OBDII code P0606 in a Honda?

The common symptoms of OBDII code P0606 in a Honda include issues with engine performance, such as rough idling, stalling, poor acceleration, and the illumination of the Check Engine Light.

2. What is the main cause of the ECM Processor Malfunction (P0606) in a Honda?

The main cause of the ECM Processor Malfunction (P0606) in a Honda is a failure or malfunction in the Engine Control Module (ECM), also known as the Powertrain Control Module (PCM).

3. How serious is the ECM Processor Malfunction (P0606) code in a Honda?

The ECM Processor Malfunction (P0606) code in a Honda should be addressed promptly as it can lead to poor engine performance, reduced fuel efficiency, and potential long-term damage to the vehicle's engine components.

4. Can driving with the ECM Processor Malfunction (P0606) code in a Honda cause further damage?

Continuing to drive with the ECM Processor Malfunction (P0606) code in a Honda can potentially cause further damage to the engine and other related components. It is recommended to address the issue as soon as possible.

5. How can the ECM Processor Malfunction (P0606) in a Honda be repaired?

Repairing the ECM Processor Malfunction (P0606) in a Honda typically involves diagnosing the specific cause of the issue, which may include repairing or replacing the Engine Control Module (ECM) and clearing the error code from the vehicle's system.

6. Can a DIY enthusiast fix the ECM Processor Malfunction (P0606) in a Honda?

While some DIY enthusiasts may have the skills to diagnose and repair the ECM Processor Malfunction (P0606) in a Honda, it is recommended to consult a professional mechanic or technician for proper diagnosis and repair to ensure the issue is resolved correctly.

7. How much does it cost to repair the ECM Processor Malfunction (P0606) in a Honda?

The cost of repairing the ECM Processor Malfunction (P0606) in a Honda can vary depending on the specific cause of the issue, the labor rates in your area, and whether any parts need to be replaced. It is advisable to obtain quotes from local repair shops for an accurate estimate.

8. Can resetting the ECM clear the P0606 code in a Honda?

Resetting the Engine Control Module (ECM) may temporarily clear the P0606 code in a Honda, but if the underlying issue is not addressed, the code is likely to reappear. It is essential to diagnose and repair the root cause of the problem.

9. Is it safe to drive a Honda with the Check Engine Light on due to the P0606 code?

While it may be safe to drive a Honda with the Check Engine Light on due to the P0606 code in the short term, it is not recommended to ignore the issue as it can lead to further engine problems and potential vehicle breakdowns.

10. How can I prevent the ECM Processor Malfunction (P0606) in my Honda?

To prevent the ECM Processor Malfunction (P0606) in your Honda, it is essential to follow the manufacturer's recommended maintenance schedule, address any engine performance issues promptly, and avoid driving with existing warning lights illuminated on the dashboard.

Discuss the causes and fixes for P0606 Honda OBDII Code

Submit a New Comment

  • My key warning light keeps flashing on my 2006 Honda civic si and it won't start any ideas on what can cause that

    Reply to Comment

  • If you have more keys, have you try starting the engine with another key?

    The key is probably damage. You have either have to have the dealer or a locksmith reprogram the key you have or you need to get a new and reprogram.

    Reply to Comment

  • Hi I have a honda jazz ivtec 1.2 litter .. my engine light is glowing while driving ..The car is running smoothly though...I reported the matter to the service centre and they scan it and a P0606 code popped up.. what does it actually mean..? Plz help

    Image

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    Reply to Comment

  • The code means that at some point the Engine Control Module (ECM) detected an internal problem. Start by checking the battery, if the battery check OK, then try clearing the code and monitor how long it take for the code to come back.

    Reply to Comment
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