AutoCodes – Ford – P1640 2001 Ford F150

P1640 2001 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 2001 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 2,544

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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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 2001 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 2001 Ford F150 - Powertrain DTCs Available in Another Module - AutoCodes.com — P1640 2001 Ford F150 Code - Powertrain DTCs Available in Another Module

What does this mean?

What are the Possible Causes of the DTC P1640 2001 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 2001 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 2001 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 2001 Ford F150 code?

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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 2001 Ford F150 Code

1. What does the OBDII code P1640 on a 2001 Ford F150 mean?

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

2. What are the common symptoms of the P1640 code in a 2001 Ford F150?

Common symptoms of the P1640 code may include the Check Engine Light being illuminated on the dashboard and potential issues with the vehicle's performance or drivability.

3. What are the possible causes of the P1640 code in a 2001 Ford F150?

Possible causes of the P1640 code include communication issues between different modules in the vehicle, a faulty control module, or wiring/connectivity problems.

4. How do I diagnose the P1640 code in my 2001 Ford F150?

Diagnosing the P1640 code typically involves using a diagnostic scanner to retrieve the specific DTCs stored in other modules of the vehicle and then addressing those specific issues.

5. Can I still drive my 2001 Ford F150 with the P1640 code present?

It is generally not recommended to drive the vehicle with unresolved DTCs, as they can indicate underlying issues that may affect the vehicle's performance and safety.

6. How can I repair the P1640 code on my 2001 Ford F150?

Repairing the P1640 code involves identifying and addressing the specific DTCs stored in other modules, fixing any communication or wiring issues, and potentially replacing a faulty control module.

7. Is it necessary to reset the P1640 code after repairs are made on a 2001 Ford F150?

Yes, it is important to clear the code after addressing the underlying issues to reset the Check Engine Light and ensure that the repairs were successful.

8. Can a DIY enthusiast fix the P1640 code on a 2001 Ford F150?

Depending on the specific DTCs and underlying issues causing the P1640 code, some DIY enthusiasts with the necessary tools and knowledge may be able to diagnose and repair the problem.

9. Will the P1640 code on a 2001 Ford F150 cause emissions test failure?

The P1640 code itself may not directly cause an emissions test failure, but it is an indication of potential issues that, if left unresolved, could lead to emissions problems.

10. How long does it take to repair the P1640 code on a 2001 Ford F150?

The time needed to repair the P1640 code can vary depending on the specific DTCs involved, the complexity of the underlying issues, and the availability of parts or professional assistance.