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P1639 2008 Ford Fusion Code - Vehicle ID Block Corrupted Or Not Programmed

Quick Answer

The P1639 diagnostic trouble code (DTC) for a 2008 Ford Fusion indicates that the Vehicle ID Block is either corrupted or not programmed correctly. Common causes include Electrical Faults: Issues with the vehicle's electrical system, such as a faulty wiring harness or a damaged connector, can lead to the corruption of the Vehicle ID Block, Software Glitches: Software bugs or glitches in the vehicle's control modules can cause the Vehicle ID Block to become corrupted, Improper Programming: If the Vehicle ID Block was not programmed correctly during a previous repair or maintenance procedure, it can trigger this code. 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 2008 Ford Fusion indicates Vehicle ID Block Corrupted Or Not Programmed.
Common causes
Common causes include Electrical Faults: Issues with the vehicle's electrical system, such as a faulty wiring harness or a damaged connector, can lead to the corruption of the Vehicle ID Block, Software Glitches: Software bugs or glitches in the vehicle's control modules can cause the Vehicle ID Block to become corrupted, Improper Programming: If the Vehicle ID Block was not programmed correctly during a previous repair or maintenance procedure, it can trigger this code.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code P1639 2008 Ford Fusion Description

The P1639 diagnostic trouble code (DTC) for a 2008 Ford Fusion indicates that the Vehicle ID Block is either corrupted or not programmed correctly. The Vehicle ID Block is a crucial component of the vehicle's electronic control system, as it contains essential information about the vehicle, such as its VIN (Vehicle Identification Number), calibration data, and other key parameters. When this block becomes corrupted or is not programmed properly, it can lead to various issues with the vehicle's performance and functionality.

OBDII Code P1639 2008 Ford Fusion - Vehicle ID Block Corrupted Or Not Programmed
P1639 2008 Ford Fusion Code - Vehicle ID Block Corrupted Or Not Programmed

Common Causes of P1639 2008 Ford Fusion

  1. Electrical Faults: Issues with the vehicle's electrical system, such as a faulty wiring harness or a damaged connector, can lead to the corruption of the Vehicle ID Block.
  2. Software Glitches: Software bugs or glitches in the vehicle's control modules can cause the Vehicle ID Block to become corrupted.
  3. Improper Programming: If the Vehicle ID Block was not programmed correctly during a previous repair or maintenance procedure, it can trigger this code.
  4. Water Damage: Water infiltration into the vehicle's electronic components can also result in the corruption of the Vehicle ID Block.
  5. Battery Voltage Issues: Low battery voltage or a failing battery can cause data corruption in the Vehicle ID Block.

Symptoms of P1639 2008 Ford Fusion

  1. Check Engine Light: The most common symptom associated with this code is the illumination of the check engine light on the vehicle's dashboard.
  2. Loss of Power: The vehicle may experience a loss of power or reduced performance due to incorrect data being sent to the engine control module.
  3. Erratic Behavior: The vehicle may exhibit erratic behavior, such as stalling, rough idling, or hesitation during acceleration.
  4. Transmission Issues: The transmission may shift erratically or experience difficulty shifting gears.
  5. Inability to Start: In severe cases, the vehicle may fail to start due to the corrupted or missing Vehicle ID Block data.

How to Fix P1639 2008 Ford Fusion

  1. Diagnose the Issue: Use a diagnostic scanner to retrieve the specific details of the P1639 code and determine the root cause of the problem.
  2. Inspect Electrical Connections: Check all electrical connections related to the Vehicle ID Block for any signs of damage or corrosion and repair or replace as needed.
  3. Reprogram the Vehicle ID Block: If the block is not programmed correctly, reprogramming it using a manufacturer-approved software update may resolve the issue.
  4. Address Software Issues: Update the vehicle's control module software to the latest version to address any software glitches that may have caused the code.
  5. Test Drive and Verify Repair: After completing the repair process, test drive the vehicle to ensure that the symptoms associated with the P1639 code have been resolved.

Cost to Fix P1639 2008 Ford Fusion

The typical repair costs for addressing a P1639 code on a 2008 Ford Fusion can vary depending on the specific cause of the issue. In general, the cost of parts for this repair may range from $100 to $300, while labor costs can range from $100 to $200. Overall, the total cost of repairing this issue could fall between $200 and $500, including parts and labor.

What does this mean?

Tech Notes for P1639 2008 Ford Fusion

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

Need more information about the P1639 2008 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 P1639 2008 Ford Fusion Code

1. What are the common symptoms of OBDII code P1639 in a 2008 Ford Fusion?

The common symptoms of code P1639 include issues with starting the vehicle, rough idling, and potential stalling while driving.

2. What does the OBDII code P1639 in a 2008 Ford Fusion indicate?

Code P1639 indicates that the Vehicle ID Block is either corrupted or not programmed properly in the vehicle's computer system.

3. What are the possible causes of OBDII code P1639 in a 2008 Ford Fusion?

Possible causes of code P1639 include a faulty PCM (Powertrain Control Module), damaged wiring or connectors related to the Vehicle ID Block, or issues with the programming of the Vehicle ID Block.

4. How can I diagnose OBDII code P1639 in my 2008 Ford Fusion?

Diagnosing code P1639 typically involves using a diagnostic scanner to read the code, checking the wiring and connectors related to the Vehicle ID Block, and verifying the programming of the Vehicle ID Block in the PCM.

5. Can OBDII code P1639 in a 2008 Ford Fusion cause any serious damage to the vehicle?

While code P1639 itself may not cause immediate serious damage, it can lead to drivability issues and potential concerns with the vehicle's computer system if left unresolved.

6. How can I repair OBDII code P1639 in my 2008 Ford Fusion?

Repairing code P1639 may involve reprogramming the Vehicle ID Block in the PCM, repairing any damaged wiring or connectors, or replacing the PCM if necessary.

7. Is it safe to continue driving my 2008 Ford Fusion with OBDII code P1639 present?

It is not recommended to continue driving the vehicle with unresolved code P1639, as it can lead to potential drivability issues and further complications with the vehicle's computer system.

8. Can a DIY enthusiast fix OBDII code P1639 in a 2008 Ford Fusion?

While some simple checks and repairs can be done by a DIY enthusiast, resolving code P1639 may require specialized diagnostic equipment and expertise, so professional help is recommended.

9. How much does it typically cost to repair OBDII code P1639 in a 2008 Ford Fusion?

The cost of repairing code P1639 can vary depending on the exact cause of the issue, but it may range from a few hundred to a few thousand dollars, especially if PCM replacement is needed.

10. Will resetting the OBDII code P1639 in my 2008 Ford Fusion make it go away permanently?

Resetting the code may temporarily clear the warning light, but if the underlying issue causing code P1639 is not addressed, the code is likely to reappear. It's important to diagnose and repair the root cause of the problem for a permanent fix.

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