AutoCodes – Ford – P1674 2010 Ford Fusion

P1674 2010 Ford Fusion Code - Control Module Software Corrupted

Quick Answer

The Throttle Actuator Control (TAC) system is in the Failure Mode Effects Management (FMEM) mode of forced engine shutdown. Common causes include Software incompatibility issue, Damaged Powertrain Control Module (PCM). 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: P1674 2010 Ford Fusion indicates Control Module Software Corrupted .
Common causes: Common causes include Software incompatibility issue, Damaged Powertrain Control Module (PCM).
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 1,676

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 08, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1674 2010 Ford Fusion Description

The Throttle Actuator Control (TAC) system is in the Failure Mode Effects Management (FMEM) mode of forced engine shutdown. Indicates an error occurred in the Powertrain Control Module (PCM). This code sets in combination with P2105.

OBDII Code P1674 2010 Ford Fusion - Control Module Software Corrupted - AutoCodes.com — P1674 2010 Ford Fusion Code - Control Module Software Corrupted

What does this mean?

What are the Possible Causes of the DTC P1674 2010 Ford Fusion?

Software incompatibility issue
Damaged Powertrain Control Module (PCM)

How to Fix the DTC P1674 2010 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 P1674 2010 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 P1674 2010 Ford Fusion code?

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Need Help with the 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 P1674 2010 Ford Fusion Code

1. What are the common symptoms of OBDII code P1674 in a 2010 Ford Fusion?

Symptoms may include engine stalling, rough idling, loss of power, and the vehicle going into "limp mode."

2. What does the OBDII code P1674 in a 2010 Ford Fusion indicate?

P1674 indicates that the control module software has become corrupted, affecting the engine's performance.

3. What are the possible causes of OBDII code P1674 in a 2010 Ford Fusion?

Common causes include a faulty control module, electrical issues, software glitches, or a failed software update.

4. How can I diagnose OBDII code P1674 in my 2010 Ford Fusion?

Diagnosis typically involves using an OBDII scanner to read the trouble code, checking for any related symptoms, and inspecting the control module and related wiring.

5. Can I still drive my 2010 Ford Fusion with OBDII code P1674?

It is not recommended to drive the vehicle with this code present, as it may lead to further damage or safety hazards.

6. How can I repair OBDII code P1674 in my 2010 Ford Fusion?

Repair options may include reprogramming the control module, replacing the control module, checking and repairing any electrical connections, or seeking professional help.

7. How much does it cost to fix OBDII code P1674 in a 2010 Ford Fusion?

Costs vary depending on the exact cause of the issue, but expect to pay for diagnostic fees, software updates, or replacement parts if needed.

8. Can a DIY enthusiast fix OBDII code P1674 in a 2010 Ford Fusion?

While some basic troubleshooting can be done by DIYers, fixing this code often requires specialized tools and knowledge, making it best left to professionals.

9. Is OBDII code P1674 a common issue in 2010 Ford Fusion vehicles?

While it may not be extremely common, some owners have reported experiencing this code due to software-related issues.

10. How can I prevent OBDII code P1674 from occurring in my 2010 Ford Fusion?

Regularly updating the vehicle's software, maintaining the electrical system, and addressing any warning signs promptly can help prevent this code from appearing.