AutoCodes – Ford – P1639 2009 Ford Fusion

P1639 2009 Ford Fusion Code - Vehicle ID Block Corrupted Or Not Programmed

Quick Answer

Configurable modules accommodate a variety of vehicle options, eliminating the need for many unique modules for one vehicle line. Common causes include Reprogram Module ("Flashing"), New Powertrain Control Module (PCM) Needs programming, Incorrect Vehicle Identification (VID) configuration. 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: P1639 2009 Ford Fusion indicates Vehicle ID Block Corrupted Or Not Programmed.
Common causes: Common causes include Reprogram Module ("Flashing"), New Powertrain Control Module (PCM) Needs programming, Incorrect Vehicle Identification (VID) configuration.
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 2,109

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 05, 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 P1639 2009 Ford Fusion Description

Configurable modules accommodate a variety of vehicle options, eliminating the need for many unique modules for one vehicle line. These modules must be configured when replaced as part of a repair procedure. Configurable modules should not be exchanged between vehicles since the settings are unique to each vehicle. Failure to configure a new module may result in improper operation.
The Diagnostic Trouble Code (DTC) indicates that the Vehicle Identification (VID) block is not programmed or is corrupt.

OBDII Code P1639 2009 Ford Fusion - Vehicle ID Block Corrupted Or Not Programmed - AutoCodes.com — P1639 2009 Ford Fusion Code - Vehicle ID Block Corrupted Or Not Programmed

What does this mean?

What are the Possible Causes of the DTC P1639 2009 Ford Fusion?

Reprogram Module ("Flashing")
New Powertrain Control Module (PCM) Needs programming
Incorrect Vehicle Identification (VID) configuration

How to Fix the DTC P1639 2009 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

After a new Powertrain Control Module (PCM) has been installed, the Vehicle Identification (VID) block has to be reprogrammed to the PCM.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1639 2009 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 P1639 2009 Ford Fusion code?

Need more information on how to fix the P1639 2009 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1639 2009 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 P1639 2009 Ford Fusion Code

1. What does the OBDII code P1639 mean for a 2009 Ford Fusion?

P1639 indicates that the Vehicle Identification (VID) block in the Powertrain Control Module (PCM) is corrupted or not programmed correctly.

2. What are the symptoms of code P1639 on a 2009 Ford Fusion?

Common symptoms include the Check Engine Light illuminating and potential issues with vehicle performance or communication between modules.

3. What causes the P1639 code in a 2009 Ford Fusion?

This code can be caused by incorrect programming of the PCM, a corrupted VID block, or a malfunction during a reprogramming or replacement process.

4. Can the P1639 code affect drivability in a 2009 Ford Fusion?

While it may not directly cause drivability issues, it can lead to improper system functions tied to the VID block, such as emissions or safety features.

5. How do you diagnose the P1639 code?

Diagnosis involves using a scan tool to confirm the code, checking the PCM programming, and verifying that the VID block contains the correct vehicle data.

6. Can I clear the P1639 code without fixing the problem?

Clearing the code without addressing the underlying issue will only temporarily remove it; the code will return if the VID block remains corrupted or unprogrammed.

7. How is the P1639 code fixed on a 2009 Ford Fusion?

The code is typically resolved by reprogramming or reinitializing the PCM using the correct vehicle-specific data with a professional scan tool.

8. Can a faulty PCM cause the P1639 code?

Yes, a defective PCM can cause a corrupted VID block, leading to this code. In such cases, the PCM may need to be repaired or replaced.

9. Is it safe to drive with the P1639 code on a 2009 Ford Fusion?

While the vehicle may still be drivable, itâ€™s important to address the code promptly to avoid potential issues with emissions compliance or module communication.

10. Do I need a professional to fix the P1639 code?

Yes, resolving this code usually requires specialized tools and knowledge, such as access to Fordâ€™s programming software and procedures, so professional assistance is recommended.