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P0606 Mitsubishi Code - ECM Main Processor Malfunction

Quick Answer

The P0606 code for Mitsubishi vehicles indicates a malfunction in the Engine Control Module (ECM) main processor. Common causes include Electrical issues such as damaged wiring or connectors, Faulty ECM main processor, Software corruption within the 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 Mitsubishi indicates ECM Main Processor Malfunction.
Common causes
Common causes include Electrical issues such as damaged wiring or connectors, Faulty ECM main processor, Software corruption within the 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P0606 Mitsubishi Description

The P0606 code for Mitsubishi vehicles indicates a malfunction in the Engine Control Module (ECM) main processor. The ECM is a crucial component of the vehicle's electronic control system, responsible for managing various functions such as fuel injection, ignition timing, and emissions controls. The main processor is the brain of the ECM, processing data from sensors and making adjustments to optimize engine performance.

OBDII Code P0606 Mitsubishi - ECM Main Processor Malfunction
P0606 Mitsubishi Code - ECM Main Processor Malfunction

Common Causes of P0606 Mitsubishi

  1. Electrical issues such as damaged wiring or connectors
  2. Faulty ECM main processor
  3. Software corruption within the ECM
  4. Water damage to the ECM
  5. Overvoltage or voltage spikes

Symptoms of P0606 Mitsubishi

  1. Check engine light illuminated
  2. Engine misfires or runs rough
  3. Poor fuel efficiency
  4. Stalling or difficulty starting the vehicle
  5. Reduced engine performance

How to Fix P0606 Mitsubishi

  1. Perform a thorough diagnostic scan to retrieve the P0606 code and identify the specific cause of the ECM main processor malfunction.
  2. Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as necessary.
  3. Test the ECM main processor and related components for proper functionality, replacing any faulty parts.
  4. Clear the error code from the ECM's memory and reset the system to ensure proper operation.
  5. Conduct a road test to verify that the issue has been resolved and that the vehicle is performing optimally.

Cost to Fix P0606 Mitsubishi

The typical repair costs for addressing a P0606 code in a Mitsubishi vehicle can vary depending on the specific cause of the malfunction. On average, the cost of parts and labor for this repair can range from $200 to $500. However, it's important to note that prices may vary based on factors such as location, vehicle make and model, and the extent of the repair needed. Additionally, diagnostic time and labor rates at auto repair shops can impact the overall cost, with hourly rates typically ranging from $80 to $150. It's recommended to obtain a detailed estimate from a reputable auto repair shop to get an accurate cost assessment for this issue.

What does this mean?

Tech Notes for P0606 Mitsubishi

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.

When is the Code Detected?

Indicates the ECM has experienced an internal memory fault.

Need more information about the P0606 Mitsubishi 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 Mitsubishi Code

1. What is OBDII code P0606 for a Mitsubishi vehicle?

The OBDII code P0606 for Mitsubishi indicates an ECM Main Processor Malfunction.

2. What are common symptoms of OBDII code P0606 in a Mitsubishi?

Common symptoms of OBDII code P0606 in a Mitsubishi may include check engine light illumination, engine performance issues, and potential stalling or rough idling.

3. What are the possible causes of OBDII code P0606 in a Mitsubishi?

Possible causes of OBDII code P0606 in a Mitsubishi include a faulty ECM, electrical issues, software glitches, or wiring problems.

4. How can I diagnose OBDII code P0606 in my Mitsubishi?

Diagnosing OBDII code P0606 in a Mitsubishi typically involves using an OBDII scanner to retrieve the code, checking for any related symptoms, inspecting the ECM connections, and testing the ECM for proper functionality.

5. Can OBDII code P0606 in a Mitsubishi be fixed at home?

Fixing OBDII code P0606 in a Mitsubishi may require professional diagnosis and repair due to the complexity of the ECM and potential electrical issues. However, basic checks like inspecting connections and fuses can be done at home.

6. Is it safe to drive with OBDII code P0606 in a Mitsubishi?

It is not recommended to drive a Mitsubishi with OBDII code P0606 as it can lead to further engine damage or safety hazards. It is best to address the issue promptly.

7. How much does it typically cost to repair OBDII code P0606 in a Mitsubishi?

The cost of repairing OBDII code P0606 in a Mitsubishi can vary depending on the specific cause of the issue, parts needed, and labor costs. It is advisable to obtain quotes from reputable mechanics or dealerships.

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

Resetting the ECM may temporarily clear the OBDII code P0606, but if the underlying issue is not addressed, the code is likely to reappear. It is important to diagnose and fix the root cause of the problem.

9. What are some preventative maintenance tips to avoid OBDII code P0606 in a Mitsubishi?

To help prevent OBDII code P0606 in a Mitsubishi, it is recommended to follow the manufacturer's recommended maintenance schedule, keep the vehicle's electrical system in good condition, and address any engine performance issues promptly.

10. Can a faulty battery cause OBDII code P0606 in a Mitsubishi?

A faulty battery can potentially cause OBDII code P0606 in a Mitsubishi if it leads to voltage irregularities that affect the ECM. It is important to ensure the battery is in good condition and properly connected to avoid potential issues.

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