P1639 2011 Ford Fusion Code - Vehicle ID Block Corrupted Or Not Programmed
Quick Answer
The diagnostic trouble code P1639 for a 2011 Ford Fusion indicates that the Vehicle ID Block is either corrupted or not programmed correctly. Common causes include Software Glitch: A software glitch in the vehicle's control modules can corrupt the Vehicle ID Block, Electrical Issues: Electrical problems such as a weak battery, loose connections, or a faulty wiring harness can trigger this code, Faulty Control Module: A malfunctioning control module responsible for programming the Vehicle ID Block can cause this issue. 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 2011 Ford Fusion indicates Vehicle ID Block Corrupted Or Not Programmed.
- Common causes
- Common causes include Software Glitch: A software glitch in the vehicle's control modules can corrupt the Vehicle ID Block, Electrical Issues: Electrical problems such as a weak battery, loose connections, or a faulty wiring harness can trigger this code, Faulty Control Module: A malfunctioning control module responsible for programming the Vehicle ID Block can cause this issue.
- 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 2011 Ford Fusion Description
The diagnostic trouble code P1639 for a 2011 Ford Fusion indicates that the Vehicle ID Block is either corrupted or not programmed correctly. The Vehicle ID Block is a crucial component that stores important information about the vehicle, such as its VIN (Vehicle Identification Number), calibration data, and other essential data used by various control modules in the vehicle. When this block is corrupted or not programmed correctly, it can lead to a variety of issues that affect the vehicle's performance and functionality.
Common Causes of P1639 2011 Ford Fusion
- Software Glitch: A software glitch in the vehicle's control modules can corrupt the Vehicle ID Block.
- Electrical Issues: Electrical problems such as a weak battery, loose connections, or a faulty wiring harness can trigger this code.
- Faulty Control Module: A malfunctioning control module responsible for programming the Vehicle ID Block can cause this issue.
- Improper Programming: Incorrect programming during a previous repair or software update can lead to a corrupted or improperly programmed Vehicle ID Block.
- Water Damage: Water intrusion into the vehicle's electronic systems can also cause the Vehicle ID Block to become corrupted.
Symptoms of P1639 2011 Ford Fusion
- Check Engine Light: The most common symptom associated with this code is the illumination of the Check Engine Light on the dashboard.
- Loss of Power: The vehicle may experience a loss of power or reduced performance due to communication errors between modules.
- Erratic Behavior: The vehicle may exhibit erratic behavior, such as stalling, rough idling, or difficulty starting.
- Transmission Issues: Transmission shifting problems or erratic behavior may occur as a result of the corrupted Vehicle ID Block.
- Inability to Pass Emissions Test: If the Vehicle ID Block is not programmed correctly, it may lead to emissions-related issues, causing the vehicle to fail an emissions test.
How to Fix P1639 2011 Ford Fusion
- Diagnose the Issue: Use a diagnostic scanner to retrieve the trouble code and perform a thorough inspection of the vehicle's electronic systems to identify the root cause of the problem.
- Reprogram the Vehicle ID Block: If the block is corrupted, reprogramming it using specialized software and tools may resolve the issue.
- Check for Electrical Issues: Inspect the vehicle's electrical system for any faults, such as loose connections or damaged wiring, and repair as necessary.
- Replace Faulty Control Modules: If a control module is found to be faulty, it may need to be replaced to ensure proper programming of the Vehicle ID Block.
- Clear the Code: After completing the repair process, clear the trouble code from the vehicle's memory using a diagnostic scanner to reset the Check Engine Light.
Cost to Fix P1639 2011 Ford Fusion
The typical repair costs for addressing a P1639 code on a 2011 Ford Fusion can range from $200 to $500, depending on the specific cause of the issue and the required repairs. This estimate includes the cost of diagnostic services, parts, and labor. However, it's important to note that the actual cost may vary based on factors such as the location of the repair shop, the make and model of the vehicle, and the extent of the repairs needed. Additionally, labor rates at auto repair shops can vary widely, with hourly rates typically ranging from $80 to $150. It's recommended to obtain a detailed quote from a reputable repair shop to get a more accurate estimate for this repair.
Tech Notes for P1639 2011 Ford Fusion
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Frequently Asked Questions about P1639 2011 Ford Fusion Code
1. What does the OBDII code P1639 mean on a 2011 Ford Fusion?
The P1639 code indicates that the Vehicle Identification Number (VIN) stored in the Powertrain Control Module (PCM) is corrupted, missing, or not programmed correctly.
2. What are the symptoms of the P1639 code on a 2011 Ford Fusion?
Common symptoms include the check engine light turning on, potential issues with vehicle registration or emissions testing, and possible communication errors with diagnostic tools.
3. What causes the P1639 code to appear in a 2011 Ford Fusion?
The code can be triggered by a faulty PCM, incorrect VIN programming during repairs or replacements, software corruption, or issues with the PCM's internal memory.
4. Can the P1639 code affect the drivability of my 2011 Ford Fusion?
Typically, the P1639 code does not directly affect drivability, but it may prevent certain system functions, like emissions compliance or diagnostic tool communication.
5. How can I fix the P1639 code on my 2011 Ford Fusion?
The most common fix is reprogramming or re-flashing the VIN into the PCM using specialized diagnostic equipment at a dealership or qualified repair shop.
6. Do I need to replace the PCM to fix the P1639 code?
Replacing the PCM is not always necessary; often, reprogramming the VIN resolves the issue. However, if the PCM is faulty or damaged, replacement may be required.
7. Can I drive my 2011 Ford Fusion with the P1639 code?
Yes, you can drive the vehicle, but it’s recommended to address the issue promptly to avoid potential complications, especially with emissions testing or system updates.
8. How much does it cost to fix the P1639 code on a 2011 Ford Fusion?
Costs can vary, but reprogramming the VIN typically costs $100–$250 at a dealership. PCM replacement, if necessary, may cost $500–$1,200 depending on parts and labor.
9. What tools are needed to diagnose and fix the P1639 code?
Diagnostic tools capable of reprogramming the PCM, such as a Ford scan tool or compatible OBDII programmer, are required to address this issue.
10. Can a dead battery cause the P1639 code on a 2011 Ford Fusion?
A dead or disconnected battery is unlikely to cause this code directly, but power interruptions during PCM programming or updates might corrupt the VIN data.
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