AutoCodes – Ford – P1640 Ford

P1640 Ford 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 Ford 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 11,056

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

What does this mean?

What are the Possible Causes of the DTC P1640 Ford?

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

How to Fix the DTC P1640 Ford?

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 Ford 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 Ford code?

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Need Help with the Code?

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Information for Specific Ford Models

P1640 1997 Ford F150 — Powertrain DTCs Available in Another Module
P1640 1998 Ford F150 — Powertrain DTCs Available in Another Module
P1640 1999 Ford F150 — Powertrain DTCs Available in Another Module
P1640 2000 Ford F150 — Powertrain DTCs Available in Another Module
P1640 2001 Ford F150 — Powertrain DTCs Available in Another Module
P1640 2002 Ford F150 — Powertrain DTCs Available in Another Module
P1640 2003 Ford F150 — Powertrain DTCs Available in Another Module
P1640 2006 Ford Fusion — Powertrain DTCs Available in Another Module
P1640 2007 Ford Fusion — Powertrain DTCs Available in Another Module
P1640 2008 Ford Fusion — Powertrain DTCs Available in Another Module
P1640 2009 Ford Fusion — Powertrain DTCs Available in Another Module
P1640 2010 Ford Fusion — Powertrain DTCs Available in Another Module
P1640 2011 Ford Fusion — Powertrain DTCs Available in Another Module
P1640 2012 Ford Fusion — Powertrain DTCs Available in Another Module

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.