AutoCodes – Ford – P1640 2008 Ford Fusion

P1640 2008 Ford Fusion 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 2008 Ford Fusion 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 1,441

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 2008 Ford Fusion 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 2008 Ford Fusion - Powertrain DTCs Available in Another Module - AutoCodes.com — P1640 2008 Ford Fusion Code - Powertrain DTCs Available in Another Module

What does this mean?

What are the Possible Causes of the DTC P1640 2008 Ford Fusion?

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

How to Fix the DTC P1640 2008 Ford Fusion?

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 2008 Ford Fusion 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 2008 Ford Fusion code?

Need more information on how to fix the P1640 2008 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1640 2008 Ford Fusion code diagnosed by a professional: Find a repair shop in your area

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 2008 Ford Fusion Code

What are the common symptoms of OBDII code P1640 in a 2008 Ford Fusion?

- Common symptoms of P1640 in a 2008 Ford Fusion may include poor engine performance, rough idle, and potential stalling.

What is the likely cause of OBDII code P1640 in a 2008 Ford Fusion?

- The most common cause of P1640 in a 2008 Ford Fusion is a communication error between the powertrain control module (PCM) and another module in the vehicle.

How can I diagnose the OBDII code P1640 in my 2008 Ford Fusion?

- To diagnose P1640 in a 2008 Ford Fusion, you may need to perform a thorough inspection of the wiring harness, connectors, and related modules for any signs of damage or corrosion.

Can a faulty sensor trigger the OBDII code P1640 in a 2008 Ford Fusion?

- Yes, a faulty sensor or a malfunctioning module in the vehicle can trigger the P1640 code in a 2008 Ford Fusion.

What are some repair tips for fixing OBDII code P1640 in a 2008 Ford Fusion?

- Repair tips for P1640 in a 2008 Ford Fusion may include checking and repairing any damaged wiring, ensuring proper connections between modules, and resetting the fault codes after repairs.

Is it safe to continue driving with OBDII code P1640 in a 2008 Ford Fusion?

- It is not recommended to continue driving with the P1640 code present in a 2008 Ford Fusion as it can lead to further engine or transmission issues.

Can resetting the OBDII code P1640 in a 2008 Ford Fusion solve the problem?

- Resetting the code may temporarily clear the warning light, but it is crucial to diagnose and address the underlying issue triggering the P1640 code to prevent future problems.

How can I prevent OBDII code P1640 from appearing in my 2008 Ford Fusion?

- To prevent the P1640 code in a 2008 Ford Fusion, regular maintenance, checking for any signs of wear or damage in the electrical components, and addressing any issues promptly can help avoid this code.

Should I attempt to repair OBDII code P1640 in my 2008 Ford Fusion myself?

- If you have the necessary knowledge and tools, you can attempt to repair P1640 in a 2008 Ford Fusion yourself. However, if you are unsure or unfamiliar with the diagnostic process, it is best to seek professional help to avoid further complications.