P1639 2009 Ford Fusion Code - Vehicle ID Block Corrupted Or Not Programmed
Quick Answer
The diagnostic trouble code P1639 for a 2009 Ford Fusion indicates that the Vehicle ID Block is corrupted or not programmed. Common causes include Electrical issues such as a faulty wiring harness or connectors, Software glitches in the ECM, Water damage to the ECM. 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 Electrical issues such as a faulty wiring harness or connectors, Software glitches in the ECM, Water damage to the ECM.
- 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 P1639 2009 Ford Fusion Description
The diagnostic trouble code P1639 for a 2009 Ford Fusion indicates that the Vehicle ID Block is corrupted or not programmed. The Vehicle ID Block is a crucial component of the vehicle's electronic control module (ECM) that stores important information about the vehicle, such as VIN (Vehicle Identification Number), calibration data, and other key parameters. When this block becomes corrupted or is not programmed correctly, it can lead to various issues with the vehicle's performance and functionality.
Common Causes of P1639 2009 Ford Fusion
- Electrical issues such as a faulty wiring harness or connectors
- Software glitches in the ECM
- Water damage to the ECM
- Improper programming during ECM replacement
- Physical damage to the ECM
Symptoms of P1639 2009 Ford Fusion
- Engine misfires or rough idling
- Reduced fuel efficiency
- Difficulty starting the vehicle
- Illumination of the check engine light
- Transmission shifting issues
How to Fix P1639 2009 Ford Fusion
- Use a diagnostic scanner to retrieve the trouble code and confirm the issue.
- Inspect the wiring harness and connectors for any damage or corrosion.
- Check for water damage to the ECM and address any leaks in the vehicle.
- Reprogram or replace the ECM if necessary.
- Clear the trouble code and perform a test drive to ensure the issue has been resolved.
Cost to Fix P1639 2009 Ford Fusion
The cost of repairing a P1639 code on a 2009 Ford Fusion can vary depending on the specific cause of the issue and the labor rates in your area. In general, the repair may range from $200 to $500, including parts and labor. However, it is recommended to contact local auto repair shops for a more accurate estimate based on your location and vehicle specifics. Keep in mind that rates at dealerships or in metropolitan areas may be higher, while independent shops could offer more affordable options.
Tech Notes for P1639 2009 Ford Fusion
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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, it’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 Ford’s programming software and procedures, so professional assistance is recommended.
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