AutoCodes – Ford – P1674 2008 Ford Fusion

P1674 2008 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 2008 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 2,761

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1674 2008 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 2008 Ford Fusion - Control Module Software Corrupted - AutoCodes.com — P1674 2008 Ford Fusion Code - Control Module Software Corrupted

What does this mean?

What are the Possible Causes of the DTC P1674 2008 Ford Fusion?

Software incompatibility issue
Damaged Powertrain Control Module (PCM)

How to Fix the DTC P1674 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 P1674 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 P1674 2008 Ford Fusion code?

Need more information on how to fix the P1674 2008 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1674 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 P1674 2008 Ford Fusion Code

1. What are the common symptoms of OBDII code P1674 in a 2008 Ford Fusion related to Control Module Software Corrupted?

The common symptoms include rough idle, stalling, engine hesitation, poor fuel economy, and the illumination of the Check Engine Light.

2. What can cause the Control Module Software to become corrupted in a 2008 Ford Fusion triggering code P1674?

Possible causes include voltage spikes, faulty wiring, a weak battery, improper software updates, or a malfunction within the control module itself.

3. How do I diagnose OBDII code P1674 in my 2008 Ford Fusion?

Diagnosing code P1674 typically involves using an OBDII scanner to retrieve the code, checking for any related symptoms, inspecting the wiring and connections, and consulting a professional if needed.

4. Can I continue driving my 2008 Ford Fusion with OBDII code P1674 present?

It is not recommended to drive your vehicle with a corrupted control module software as it may lead to other issues and potential safety hazards. It's best to address the problem promptly.

5. What are some repair tips for fixing OBDII code P1674 in a 2008 Ford Fusion?

Repair tips may include checking the battery voltage, inspecting the control module connections, performing software updates, and seeking assistance from a qualified mechanic if necessary.

6. Is it possible to reset OBDII code P1674 in a 2008 Ford Fusion without addressing the underlying issue?

Resetting the code without fixing the root cause, such as the corrupted control module software, is not recommended as the problem may persist and lead to further complications.

7. How much does it typically cost to repair OBDII code P1674 in a 2008 Ford Fusion?

The cost of repairing code P1674 can vary depending on the exact cause of the issue, the parts needed for repair, and labor costs. It's advisable to obtain estimates from reputable mechanics or dealerships.

8. Can a DIY enthusiast fix OBDII code P1674 in a 2008 Ford Fusion?

While some simple checks and repairs may be possible for DIY enthusiasts, addressing a corrupted control module software issue may require specialized tools and expertise. It's best to consult a professional for complex repairs.

9. Will OBDII code P1674 cause permanent damage to my 2008 Ford Fusion if left unattended?

If left unattended, a corrupted control module software can potentially cause further damage to the vehicle's systems over time. It's important to address the issue promptly to prevent any lasting harm.

10. Are there any recalls or technical service bulletins related to OBDII code P1674 in a 2008 Ford Fusion?

It's advisable to check with Ford or authorized service centers for any recalls or technical service bulletins related to OBDII code P1674 in the 2008 Ford Fusion to stay informed about potential solutions or known issues.