AutoCodesFord – P0606 2012 Ford Fusion

P0606 2012 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 2012 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 4,401
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 2012 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 2012 Ford Fusion - Powertrain Control Module Internal Communication Error - AutoCodes.com
P0606 2012 Ford Fusion Code - Powertrain Control Module Internal Communication Error

What are the Possible Causes of the DTC P0606 2012 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 2012 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 2012 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 2012 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 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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