U0109 2009 Ford Fusion Code - Lost Communication With Fuel Pump Control Module
Quick Answer
The Powertrain Control Module (PCM) monitors the Fuel Pump Monitor (FPM) circuit for the presence of a duty cycled signal. Common causes include Fuel pump monitor circuit open or short to ground, Fuel pump monitor circuit short to voltage, Damaged Inertia Fuel Shutoff (IFS) switch (if equipped). 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
- U0109 2009 Ford Fusion indicates Lost Communication With Fuel Pump Control Module .
- Common causes
- Common causes include Fuel pump monitor circuit open or short to ground, Fuel pump monitor circuit short to voltage, Damaged Inertia Fuel Shutoff (IFS) switch (if equipped).
- 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.
Code U0109 2009 Ford Fusion Description
What are the Possible Causes of the DTC U0109 2009 Ford Fusion?
- Fuel pump monitor circuit open or short to ground
- Fuel pump monitor circuit short to voltage
- Damaged Inertia Fuel Shutoff (IFS) switch (if equipped)
- Damaged fuel pump control module relay
How to Fix the DTC U0109 2009 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 U0109 2009 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.
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Frequently Asked Questions about U0109 2009 Ford Fusion Code
1. What does the OBDII code U0109 for a 2009 Ford Fusion indicate?
This code indicates a "Lost Communication With Fuel Pump Control Module" error.
2. What are common symptoms of the U0109 code in a 2009 Ford Fusion?
Common symptoms include hard starting, engine stalling, and issues with fuel delivery.
3. What are possible causes of the U0109 code in a 2009 Ford Fusion?
Possible causes include a faulty fuel pump control module, damaged wiring or connectors, or a malfunctioning powertrain control module (PCM).
4. How can I diagnose the U0109 code in my 2009 Ford Fusion?
Diagnosis typically involves checking the fuel pump control module for power and ground, inspecting wiring for damage, and using a scan tool to communicate with the modules.
5. How can I repair the U0109 code in my 2009 Ford Fusion?
Repair may involve replacing the fuel pump control module, repairing damaged wiring or connectors, or reprogramming the powertrain control module (PCM).
6. Can I drive my 2009 Ford Fusion with the U0109 code present?
It is not recommended to drive the vehicle with this code present, as it may lead to fuel delivery issues and potential engine stalling.
7. Will the U0109 code cause my 2009 Ford Fusion to fail emissions testing?
Yes, the U0109 code can cause your vehicle to fail emissions testing due to the impact on fuel delivery and engine performance.
8. How much does it typically cost to repair the U0109 code in a 2009 Ford Fusion?
The cost of repair can vary depending on the specific cause of the code, but it may range from $200 to $600 or more for parts and labor.
9. Can I reset the U0109 code in my 2009 Ford Fusion by disconnecting the battery?
While disconnecting the battery may clear the code temporarily, it is important to diagnose and repair the underlying issue to prevent the code from returning.
10. Is the U0109 code specific to the 2009 Ford Fusion, or can it occur in other vehicles?
The U0109 code can occur in other vehicles with similar fuel pump control module communication issues, not just limited to the 2009 Ford Fusion.
Discuss the causes and fixes for U0109 2009 Ford Fusion OBDII Code
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