AutoCodes – Ford – P1640 2003 Ford F150

P1640 2003 Ford F150 Code - Powertrain DTCs Available in Another Module

Quick Answer

Vehicles using a secondary Engine Control Module can request that the Powertrain Control Module (PCM) illuminate the Malfunction Indicator Lamp (MIL) when a failure occurs which affects emissions. Common causes include Diagnostic Trouble Code (DTC) stored in a secondary module, which requested the MIL to be turned on. 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: P1640 2003 Ford F150 indicates Powertrain DTCs Available in Another Module.
Common causes: Common causes include Diagnostic Trouble Code (DTC) stored in a secondary module, which requested the MIL to be turned on.
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 Popularity 2,485

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 04, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1640 2003 Ford F150 Description

Vehicles using a secondary Engine Control Module can request that the Powertrain Control Module (PCM) illuminate the Malfunction Indicator Lamp (MIL) when a failure occurs which affects emissions.

OBDII Code P1640 2003 Ford F150 - Powertrain DTCs Available in Another Module - AutoCodes.com — P1640 2003 Ford F150 Code - Powertrain DTCs Available in Another Module

What does this mean?

What are the Possible Causes of the DTC P1640 2003 Ford F150?

Diagnostic Trouble Code (DTC) stored in a secondary module, which requested the MIL to be turned on.

How to Fix the DTC P1640 2003 Ford F150?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1640 2003 Ford F150 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1640 2003 Ford F150 code?

Need more information on how to fix the P1640 2003 Ford F150 code? Get Access to Factory Service Manuals

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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 P1640 2003 Ford F150 Code

1. What does the OBDII code P1640 on a 2003 Ford F150 mean?

- The code P1640 indicates that there are Powertrain Diagnostic Trouble Codes (DTCs) available in another module.

2. What are the common symptoms of OBDII code P1640 on a 2003 Ford F150?

- The common symptoms may include rough running engine, poor performance, stalling, or a check engine light.

3. What are the possible causes of OBDII code P1640 on a 2003 Ford F150?

- The code P1640 is often caused by communication issues between different modules in the vehicle, such as a faulty wiring harness or a malfunctioning control module.

4. How can I diagnose the OBDII code P1640 on my 2003 Ford F150?

- To diagnose the code P1640, a professional diagnostic scanner is needed to retrieve the specific Powertrain DTCs stored in another module of the vehicle.

5. Can I drive my 2003 Ford F150 with the OBDII code P1640?

- It is not recommended to drive the vehicle with unresolved DTCs, as it may lead to further engine or emissions system damage.

6. How can I reset the OBDII code P1640 on my 2003 Ford F150?

- Resetting the code P1640 requires fixing the underlying issue causing the DTCs in another module, which may involve repairing wiring or replacing faulty modules.

7. Will disconnecting the battery clear the OBDII code P1640 on a 2003 Ford F150?

- Disconnecting the battery may temporarily clear the code, but it is not a permanent solution as the underlying issue causing the DTCs will persist.

8. Can a DIY enthusiast repair the OBDII code P1640 on a 2003 Ford F150?

- Repairing the code P1640 may require advanced diagnostic tools and expertise, so it is recommended to consult a professional mechanic for proper diagnosis and repair.

9. How much does it cost to fix the OBDII code P1640 on a 2003 Ford F150?

- The cost of fixing the code P1640 can vary depending on the underlying issue, but it may involve diagnostic fees, parts replacement, and labor costs.

10. How long does it take to repair the OBDII code P1640 on a 2003 Ford F150?

- The repair time for the code P1640 depends on the complexity of the issue, but it may range from a few hours to a day, depending on the diagnosis and required repairs.