Engine-CodesFord – P0606 2012 Ford Fusion

P0606 2012 Ford Fusion Code - Powertrain Control Module Internal Communication Error

Quick Answer

The P0606 diagnostic trouble code (DTC) for a 2012 Ford Fusion indicates a Powertrain Control Module (PCM) internal communication error. Common causes include Damaged wiring or connectors, Faulty PCM, Software issues. 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 2012 Ford Fusion indicates Powertrain Control Module Internal Communication Error.
Common causes
Common causes include Damaged wiring or connectors, Faulty PCM, Software issues.
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.
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code P0606 2012 Ford Fusion Description

The P0606 diagnostic trouble code (DTC) for a 2012 Ford Fusion indicates a Powertrain Control Module (PCM) internal communication error. The PCM is essentially the brain of the vehicle, responsible for controlling various engine functions, transmission shifts, and emissions systems. When the PCM encounters an internal communication error, it means that there is a problem with the communication between the various components within the PCM itself. This can lead to a range of issues affecting the vehicle's performance, fuel efficiency, and overall drivability.

OBDII Code P0606 2012 Ford Fusion - Powertrain Control Module Internal Communication Error
P0606 2012 Ford Fusion Code - Powertrain Control Module Internal Communication Error

Common Causes of P0606 2012 Ford Fusion

  1. Damaged wiring or connectors
  2. Faulty PCM
  3. Software issues
  4. Malfunctioning sensor
  5. Electrical interference

Symptoms of P0606 2012 Ford Fusion

  1. Engine misfires or rough idling
  2. Poor fuel efficiency
  3. Stalling or hesitation during acceleration
  4. Check Engine Light illuminated
  5. Vehicle may fail emissions test

How to Fix P0606 2012 Ford Fusion

  1. Diagnose the issue using a scan tool to retrieve the specific DTC and perform a thorough inspection of the PCM and related components.
  2. Check for any damaged wiring or connectors and repair or replace as needed.
  3. Test the PCM for proper functionality and replace if found to be faulty.
  4. Update the PCM software to the latest version to address any potential software issues.
  5. Clear the DTC and perform a test drive to ensure the issue has been resolved.

Cost to Fix P0606 2012 Ford Fusion

The typical repair costs for addressing a P0606 code on a 2012 Ford Fusion can range from $200 to $600, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Rates may be higher at dealerships or in metropolitan areas, while independent shops may offer lower rates. It's advisable to contact local repair shops for a more accurate estimate based on your location and vehicle specifics.

Tech Notes for P0606 2012 Ford Fusion

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.

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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 2012 Ford Fusion Code

1. What does the OBDII code P0606 mean for a 2012 Ford Fusion?

P0606 indicates an internal communication error within the Powertrain Control Module (PCM), often signaling a malfunction in the PCM itself.

2. What are the common symptoms of P0606 in a 2012 Ford Fusion?

Symptoms may include poor engine performance, stalling, difficulty starting, reduced fuel efficiency, and the Check Engine Light being illuminated.

3. What causes the P0606 code to appear?

Common causes include a malfunctioning PCM, electrical issues such as damaged wiring or connectors, or software corruption within the PCM.

4. Can a faulty PCM cause the P0606 code?

Yes, a faulty PCM is one of the primary reasons for the P0606 code, as the error directly relates to internal PCM communication problems.

5. How do I diagnose the P0606 code?

Diagnosis involves scanning for related codes, inspecting PCM wiring and connectors for damage, testing power and ground circuits, and evaluating PCM functionality.

6. Can I drive with the P0606 code?

Driving with this code is not recommended, as it may lead to unpredictable engine behavior, stalling, or further damage to the vehicle.

7. How is the P0606 code fixed?

Repairs may include replacing or reprogramming the PCM, addressing wiring or connector issues, or updating software if available.

8. How much does it cost to repair the P0606 code on a 2012 Ford Fusion?

PCM replacement costs can range from $500 to $1,500, depending on whether a new or refurbished unit is used, plus labor costs.

9. Can a software update fix the P0606 code?

In some cases, a software update or reprogramming may resolve the issue if the PCM is not physically damaged.

10. Should I replace the PCM if I get the P0606 code?

Replacement should be considered only after thoroughly diagnosing the problem, as wiring or software issues may also trigger the code.

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