AutoCodes – Ford – P0606 Ford

P0606 Ford Code - Powertrain Control Module Internal Communication Error

Quick Answer

The Powertrain Control Module (PCM) continuously monitors its internal memory status, internal circuits, and output signals to the throttle actuator. Common causes include Powertrain Control Module (PCM) Harness power supply circuit is open or shorted, Powertrain Control Module Programming, Faulty Powertrain Control Module. 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 Ford indicates Powertrain Control Module Internal Communication Error.
Common causes: Common causes include Powertrain Control Module (PCM) Harness power supply circuit is open or shorted, Powertrain Control Module Programming, Faulty Powertrain Control Module.
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 67,334

How popular is this code, among other codes? Medium

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 Dec 05, 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 Ford Description

The Powertrain Control Module (PCM) continuously monitors its internal memory status, internal circuits, and output signals to the throttle actuator. This self−check insures that the PCM is functioning properly. If any malfunction is detected, the PCM will set the code and illuminate the engine light. The Diagnostic Trouble Code (DTC) indicates the PCM has experienced an internal memory fault.

OBDII Code P0606 Ford - Powertrain Control Module Internal Communication Error - AutoCodes.com — P0606 Ford Code - Powertrain Control Module Internal Communication Error

What does this mean?

What are the Possible Causes of the DTC P0606 Ford?

Powertrain Control Module (PCM) Harness power supply circuit is open or shorted
Powertrain Control Module Programming
Faulty Powertrain Control Module

How to Fix the DTC P0606 Ford?

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 Powertrain Control Module (PCM) fuse, if the fuse is OK, try erasing the code first and if the code comes back you may have to reprogram or replace the PCM.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0606 Ford 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.

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

Information for Specific Ford Models

P0606 1997 Ford F150 — Powertrain Control Module Internal Communication Error
P0606 1998 Ford F150 — Powertrain Control Module Internal Communication Error
P0606 1999 Ford F150 — Powertrain Control Module Internal Communication Error
P0606 2000 Ford F150 — Powertrain Control Module Internal Communication Error
P0606 2001 Ford F150 — Powertrain Control Module Internal Communication Error
P0606 2002 Ford F150 — Powertrain Control Module Internal Communication error
P0606 2003 Ford F150 — Powertrain Control Module Internal Communication error
P0606 2006 Ford Fusion — Powertrain Control Module Internal Communication Error
P0606 2007 Ford Fusion — Powertrain Control Module Internal Communication Error
P0606 2008 Ford Fusion — Powertrain Control Module Internal Communication Error
P0606 2009 Ford Fusion — Powertrain Control Module Internal Communication Error
P0606 2010 Ford Fusion — Powertrain Control Module Internal Communication Error
P0606 2011 Ford Fusion — Powertrain Control Module Internal Communication Error
P0606 2012 Ford Fusion — Powertrain Control Module Internal Communication Error

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 Ford Code

1. What are the common symptoms of OBDII code P0606 Ford related to the Powertrain Control Module Internal Communication Error?

The common symptoms include engine stalling, rough idling, poor acceleration, and the illumination of the Check Engine light on the dashboard.

2. What are the potential causes of the OBDII code P0606 Ford?

The code P0606 typically indicates an internal communication error within the Powertrain Control Module (PCM), which can be caused by damaged wiring, faulty PCM components, or software issues.

3. How can I diagnose the OBDII code P0606 Ford?

Diagnosing the code P0606 requires using a diagnostic scanner to retrieve the specific fault code from the PCM. It is also recommended to check the wiring harness for any visible damage and perform a thorough inspection of the PCM components.

4. What are some repair tips for addressing the OBDII code P0606 Ford?

Repairing the code P0606 may involve repairing or replacing damaged wiring, addressing any faulty PCM components, or reprogramming the PCM with updated software. It is advisable to consult a qualified mechanic for accurate diagnosis and repair.

5. Can I drive my vehicle with the OBDII code P0606 Ford?

It is not recommended to drive your vehicle with the code P0606 present, as it can lead to poor engine performance, potential stalling, and other safety hazards. It is best to address the issue promptly to prevent further damage.

6. How much does it typically cost to repair the OBDII code P0606 Ford?

The cost of repairing the code P0606 can vary depending on the extent of the damage and the specific repairs needed. It is advisable to obtain quotes from different mechanics or repair shops for an accurate estimate.

7. Will resetting the OBDII code P0606 Ford make it go away permanently?

Resetting the code P0606 may temporarily turn off the Check Engine light, but if the underlying issue is not addressed, the code is likely to return. It is important to diagnose and repair the root cause of the problem to prevent future occurrences.

8. Can a DIY enthusiast fix the OBDII code P0606 Ford at home?

While some DIY enthusiasts may have the skills to address basic issues related to the code P0606, diagnosing and repairing internal communication errors within the PCM may require specialized tools and expertise. It is recommended to seek professional help for accurate diagnosis and repair.

9. How long does it typically take to repair the OBDII code P0606 Ford?

The repair time for the code P0606 can vary depending on the complexity of the issue and the availability of parts. Some repairs may be completed within a few hours, while others may take longer. It is advisable to consult with your mechanic for a more specific timeline.

10. Are there any preventive measures to avoid the OBDII code P0606 Ford in the future?

To prevent the recurrence of the code P0606, it is essential to perform regular maintenance checks on your vehicle, including inspecting the wiring harness, keeping the PCM software updated, and addressing any issues promptly to avoid further damage.