AutoCodesFord – P0606 2007 Ford Fusion

P0606 2007 Ford Fusion 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 2007 Ford Fusion 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 3,947
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Dec 05, 2020
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Code P0606 2007 Ford Fusion 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 2007 Ford Fusion - Powertrain Control Module Internal Communication Error - AutoCodes.com
P0606 2007 Ford Fusion Code - Powertrain Control Module Internal Communication Error

What are the Possible Causes of the DTC P0606 2007 Ford Fusion?

  • 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 2007 Ford Fusion?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0606 2007 Ford Fusion 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 2007 Ford Fusion 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 2007 Ford Fusion Code

What does the OBDII code P0606 mean for a 2007 Ford Fusion?

P0606 indicates a Powertrain Control Module (PCM) internal communication error, meaning the PCM has detected an internal fault.

What are the common symptoms of a P0606 code in a 2007 Ford Fusion?

Symptoms may include the check engine light turning on, engine stalling, erratic performance, reduced power, or the vehicle not starting.

What causes the P0606 code in a 2007 Ford Fusion?

Common causes include a faulty PCM, software corruption, wiring issues, poor grounding, or voltage irregularities from the battery or alternator.

Can a bad battery cause the P0606 code?

Yes, a weak or failing battery can cause voltage irregularities, potentially triggering the P0606 code.

How do you diagnose the P0606 code in a 2007 Ford Fusion?

Diagnosis typically involves checking the battery and alternator, inspecting PCM wiring and connections, and testing the PCM for proper functionality.

Can the P0606 code be fixed without replacing the PCM?

In some cases, repairing damaged wiring, cleaning corroded connections, or reprogramming the PCM may resolve the issue without replacement.

How much does it cost to fix the P0606 code in a 2007 Ford Fusion?

Costs can vary widely, from $100–$300 for diagnostics or wiring repairs to $800–$1,500 for PCM replacement and programming.

Is it safe to drive with a P0606 code on a 2007 Ford Fusion?

Driving may be unsafe as the PCM controls critical engine and transmission functions. The vehicle could stall or experience reduced performance.

Can I clear the P0606 code without fixing the problem?

Clearing the code without addressing the underlying issue will likely result in the code returning and potential further damage to the vehicle.

Do I need to reprogram a new PCM for a 2007 Ford Fusion after replacing it?

Yes, a new PCM must be programmed to match your vehicle's specifications and properly communicate with other systems.

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