AutoCodes – Mitsubishi – P0606 Mitsubishi

P0606 Mitsubishi Code - ECM Main 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 Mitsubishi indicates ECM Main 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.

Save to My Repairs Step-by-Step Diagnostic Guide My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 25,636

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0606 Mitsubishi 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 Mitsubishi - ECM Main Processor Malfunction - AutoCodes.com — P0606 Mitsubishi Code - ECM Main Processor Malfunction

What does this mean?

What are the Possible Causes of the DTC P0606 Mitsubishi?

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 Mitsubishi?

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 Mitsubishi 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 Mitsubishi code?

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

Need Help with the Code?

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

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.