AutoCodes – Ford – P0605 2006 Ford Fusion

P0605 2006 Ford Fusion Code - PCM Read Only Memory Error

Quick Answer

The Powertrain Control Module (PCM) continuously monitors its own internal memory status, internal circuits, and output signals transmitted to the throttle actuator. Common causes include Powertrain Control Module (PCM) programming error, Physically damaged Powertrain Control Module, 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: P0605 2006 Ford Fusion indicates PCM Read Only Memory Error .
Common causes: Common causes include Powertrain Control Module (PCM) programming error, Physically damaged Powertrain Control Module, 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.

Save to My Repairs My Repairs

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

Code Popularity 3,182

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 Jul 30, 2020

Description
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 P0605 2006 Ford Fusion Description

The Powertrain Control Module (PCM) continuously monitors its own internal memory status, internal circuits, and output signals transmitted to the throttle actuator. This self-check insures that the Powertrain Control Module is functioning properly. The Diagnostic Trouble Code (DTC) will set when the Powertrain Control Module Read Only Memory (ROM) has been corrupted.

OBDII Code P0605 2006 Ford Fusion - PCM Read Only Memory Error - AutoCodes.com — P0605 2006 Ford Fusion Code - PCM Read Only Memory Error

What does this mean?

What are the Possible Causes of the DTC P0605 2006 Ford Fusion?

Powertrain Control Module (PCM) programming error
Physically damaged Powertrain Control Module
Faulty Powertrain Control Module
Powertrain Control Module harness is open or shorted
Powertrain Control Module circuit poor electrical connection

How to Fix the DTC P0605 2006 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.

What does this mean?

Code Tech Notes

Try clearing the code before replacing any parts. Reprogram the Vehicle Identification (VID) block (use as built data). Check for other Diagnostic Trouble Code (DTC) or drive symptoms for further action. Make sure to check for aftermarket performance products before installing a new Powertrain Control Module (PCM).

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0605 2006 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 P0605 2006 Ford Fusion code?

Need more information on how to fix the P0605 2006 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0605 2006 Ford Fusion 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 P0605 2006 Ford Fusion Code

1. What are the common symptoms of OBDII code P0605 in a 2006 Ford Fusion?

- Common symptoms include the check engine light coming on, drivability issues such as rough idling or stalling, and potential loss of vehicle power.

2. What does the OBDII code P0605 indicate in a 2006 Ford Fusion?

- The P0605 code indicates a PCM (Powertrain Control Module) Read Only Memory (ROM) error, which means a problem with the computer's memory.

3. What are the possible causes of the P0605 code in a 2006 Ford Fusion?

- Possible causes include a faulty PCM, issues with the PCM power supply, damaged wiring or connectors, or software corruption within the PCM.

4. How can I diagnose and repair the P0605 code in my 2006 Ford Fusion?

- Diagnosis typically involves checking the PCM for any visible damage, testing the power supply to the PCM, and inspecting the wiring and connectors for any issues. Repair may involve PCM replacement or reprogramming.

5. Can I still drive my 2006 Ford Fusion with the P0605 code present?

- It is not recommended to drive the vehicle with the P0605 code present, as it can lead to further damage and potential safety hazards. It's best to address the issue promptly.

6. Is it possible to reset the PCM to clear the P0605 code in a 2006 Ford Fusion?

- While clearing the code may temporarily turn off the check engine light, it will not fix the underlying issue causing the P0605 code. Proper diagnosis and repair are necessary.

7. How much does it typically cost to repair the P0605 code in a 2006 Ford Fusion?

- The cost of repairing the P0605 code can vary depending on the specific cause and whether a PCM replacement is needed. It's recommended to consult a professional for an accurate estimate.

8. Can a DIY enthusiast fix the P0605 code issue in a 2006 Ford Fusion?

- While some basic diagnostics like checking connections and fuses can be done by a DIY enthusiast, diagnosing and repairing the PCM-related issue may require specialized tools and expertise best left to professionals.

9. Will disconnecting the battery reset the P0605 code in a 2006 Ford Fusion?

- Disconnecting the battery may reset the PCM's memory temporarily, but the code is likely to return if the underlying issue causing the P0605 code is not resolved.

10. How long does it take to repair the P0605 code in a 2006 Ford Fusion?

- The repair time for the P0605 code can vary depending on the exact cause and the extent of the issue. It's best to consult a mechanic for a more accurate estimate of the repair time.