P1639 1999 Ford F150 Code - Vehicle ID Block Not Programmed Or Is Corrupt
Quick Answer
The diagnostic trouble code P1639 for a 1999 Ford F150 indicates that the Vehicle ID Block is either not programmed or is corrupt. Common causes include Faulty PCM, Wiring issue, Software glitch. 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 1999 Ford F150 indicates Vehicle ID Block Not Programmed Or Is Corrupt .
- Common causes
- Common causes include Faulty PCM, Wiring issue, Software glitch.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1639 1999 Ford F150 Description
The diagnostic trouble code P1639 for a 1999 Ford F150 indicates that the Vehicle ID Block is either not programmed or is corrupt. The Vehicle ID Block is a crucial component of the vehicle's computer system, as it contains important information about the vehicle such as its VIN (Vehicle Identification Number), calibration data, and other key details. When this block is not programmed correctly or becomes corrupted, it can lead to various issues with the vehicle's performance and functionality.
Common Causes of P1639 1999 Ford F150
- Faulty PCM
- Wiring issue
- Software glitch
- Problem with the Vehicle ID Block
- Electrical interference
Symptoms of P1639 1999 Ford F150
- Engine not starting
- Poor fuel efficiency
- Rough idling
- Stalling while driving
- Issues with emissions control
How to Fix P1639 1999 Ford F150
- Use a diagnostic scanner to retrieve the trouble code and identify the specific issue.
- Inspect the wiring and connections related to the Vehicle ID Block for any damage or corrosion.
- Check the PCM for any signs of malfunction and reprogram if necessary.
- Replace the Vehicle ID Block if it is found to be corrupt or faulty.
- Clear the trouble code from the vehicle's computer system and perform a test drive to ensure the issue has been resolved.
Cost to Fix P1639 1999 Ford F150
The typical repair costs for addressing the P1639 code on a 1999 Ford F150 can vary depending on the specific cause of the issue. In general, the cost of parts such as a new Vehicle ID Block or PCM can range from $200 to $500, while labor costs can range from $100 to $300. Overall, the total repair cost for this issue may fall between $300 and $800. It is important to note that these estimates are rough averages, and actual costs may vary based on factors such as location, vehicle make and model, and the specific repair shop's rates. It is recommended to obtain quotes from local auto repair shops for a more accurate cost estimate.
Tech Notes for P1639 1999 Ford F150
There is a Factory Service Bulletin for the 1999 Ford F-150:
1999 Ford F-150 Factory Service Bulletin OBDII Code P1639
Need more information about the P1639 1999 Ford F150 code?
Need more information on how to fix the P1639 1999 Ford F150 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1639 1999 Ford F150 code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1639 1999 Ford F150 Code
1. What are common symptoms of OBDII code P1639 on a 1999 Ford F150?
- Common symptoms include difficulty starting the vehicle, stalling, rough idling, and issues with the vehicle's electronic systems.
2. What does the OBDII code P1639 "Vehicle ID Block Not Programmed Or Is Corrupt" mean for a 1999 Ford F150?
- This code indicates that there is an issue with the vehicle's identification block, which can affect various electronic systems.
3. What are possible causes of OBDII code P1639 on a 1999 Ford F150?
- Possible causes include a faulty PCM (Powertrain Control Module), a damaged wiring harness, or a software issue within the vehicle's computer system.
4. How can I diagnose the OBDII code P1639 on my 1999 Ford F150?
- Diagnosis typically involves using an OBDII scanner to retrieve the specific trouble code and then inspecting the PCM, wiring, and connections for any visible issues.
5. Can I still drive my 1999 Ford F150 with the OBDII code P1639 present?
- It is not recommended to drive the vehicle with this code present, as it can lead to further damage and potential safety issues due to affected electronic systems.
6. Is it possible to repair OBDII code P1639 on a 1999 Ford F150 myself?
- While some DIY enthusiasts may attempt to troubleshoot this code, it is recommended to seek professional help due to the complexity of diagnosing and repairing issues related to the vehicle's identification block.
7. How much does it typically cost to repair OBDII code P1639 on a 1999 Ford F150?
- Repair costs can vary depending on the exact cause of the issue, but it is advisable to budget for diagnostic fees, parts replacement, and labor costs when addressing this code.
8. Are there any preventative measures to avoid OBDII code P1639 on a 1999 Ford F150?
- Regular maintenance, including checking and updating the vehicle's software, can help prevent issues related to the vehicle's identification block and reduce the likelihood of this code appearing.
9. Can a faulty battery or alternator cause OBDII code P1639 on a 1999 Ford F150?
- While a weak battery or charging system can contribute to electrical issues, the specific cause of OBDII code P1639 is more likely related to the PCM or wiring within the vehicle.
10. How long does it typically take to repair OBDII code P1639 on a 1999 Ford F150?
- The repair time can vary based on the exact cause of the issue and the availability of parts, but it is advisable to consult with a professional technician for a more accurate estimate.
Discuss the causes and fixes for P1639 1999 Ford F150 OBDII Code
Code P1639 1999 Ford F150 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.