P1639 Mercury Code - Vehicle ID Block Corrupted or Not Programmed
Quick Answer
The P1639 diagnostic trouble code for Mercury vehicles indicates that the Vehicle ID Block is either corrupted or not programmed properly. Common causes include Faulty software update, Electrical issues, Corrupted data in the Vehicle ID Block. 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 Mercury indicates Vehicle ID Block Corrupted or Not Programmed.
- Common causes
- Common causes include Faulty software update, Electrical issues, Corrupted data in the Vehicle ID Block.
- 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 Mercury Description
The P1639 diagnostic trouble code for Mercury vehicles indicates that the Vehicle ID Block is either corrupted or not programmed properly. The Vehicle ID Block is a specific area in the vehicle's computer system that stores essential information about the vehicle, such as VIN number, calibration data, and other critical data. When this block is corrupted or not programmed correctly, it can lead to various issues with the vehicle's performance and may prevent it from starting or running smoothly.
Common Causes of P1639 Mercury
- Faulty software update
- Electrical issues
- Corrupted data in the Vehicle ID Block
- Poor connection between the computer system and the Vehicle ID Block
- Manufacturer programming error
Symptoms of P1639 Mercury
- Check Engine Light illuminated
- Engine misfires
- Rough idling
- Stalling
- Decreased fuel efficiency
How to Fix P1639 Mercury
- Use a diagnostic scanner to read and clear the code from the vehicle's computer system.
- Check the connection between the computer system and the Vehicle ID Block for any loose or damaged wires.
- Update the vehicle's software to the latest version to ensure proper programming of the Vehicle ID Block.
- If necessary, reprogram the Vehicle ID Block with the correct information.
- Test drive the vehicle to ensure that the issue has been resolved and that the Check Engine Light is no longer illuminated.
Cost to Fix P1639 Mercury
The typical repair costs for addressing a P1639 code on a Mercury vehicle can range from $100 to $300, depending on the extent of the issue and the specific repairs needed. This estimate includes parts and labor, but actual costs may vary based on factors such as location, vehicle make and model, and the diagnostic time and labor rates at the auto repair shop. It is recommended to consult with a professional mechanic to get an accurate estimate for this repair.
Tech Notes for P1639 Mercury
There is a Factory Service Bulletin for the 2002 Mercury Mountaineer:
2002 Mercury Mountaineer Factory Service Bulletin OBDII Code P1639
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