U0118 Lincoln Code - Lost Communication With Fuel Additive Control Module
Quick Answer
The U0118 diagnostic trouble code (DTC) for Lincoln vehicles indicates that there is a communication issue between the vehicle's main computer system and the Fuel Additive Control Module. Common causes include Corrosion or damage to wiring/connectors, Faulty Fuel Additive Control Module, Loose or disconnected wiring. 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
- U0118 Lincoln indicates Lost Communication With Fuel Additive Control Module.
- Common causes
- Common causes include Corrosion or damage to wiring/connectors, Faulty Fuel Additive Control Module, Loose or disconnected wiring.
- 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 U0118 Lincoln Description
The U0118 diagnostic trouble code (DTC) for Lincoln vehicles indicates that there is a communication issue between the vehicle's main computer system and the Fuel Additive Control Module. This module is responsible for managing the fuel additives used in the vehicle, such as diesel exhaust fluid in diesel engines. When communication is lost with this module, it can lead to a variety of performance issues and potentially affect the vehicle's emissions system.
Common Causes of U0118 Lincoln
- Corrosion or damage to wiring/connectors
- Faulty Fuel Additive Control Module
- Loose or disconnected wiring
- Software issues in the vehicle's main computer system
- Electrical interference or signal disruption
Symptoms of U0118 Lincoln
- Check engine light illuminated on the dashboard
- Reduced fuel efficiency
- Engine misfires or hesitation
- Difficulty starting the vehicle
- Increased emissions output
How to Fix U0118 Lincoln
- Begin by conducting a thorough visual inspection of the wiring and connectors related to the Fuel Additive Control Module. Look for any signs of damage, corrosion, or loose connections.
- Use a diagnostic scan tool to communicate with the vehicle's main computer system and identify the specific communication issue with the Fuel Additive Control Module.
- If wiring or connectors are damaged, repair or replace them as needed. Ensure all connections are secure and free of corrosion.
- If the Fuel Additive Control Module is faulty, it may need to be replaced. Follow manufacturer guidelines for proper installation and programming.
- Clear the U0118 code from the vehicle's computer system and test drive the vehicle to ensure that the communication issue has been resolved.
Cost to Fix U0118 Lincoln
The cost of repairing a U0118 code on a Lincoln vehicle can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $200 and $500 for parts and labor to address this communication problem. Keep in mind that diagnostic time and labor rates can fluctuate, so it's advisable to obtain quotes from local auto repair shops for a more accurate estimate.
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Frequently Asked Questions about U0118 Lincoln Code
1. What does the OBDII code U0118 mean on a Lincoln vehicle?
U0118 indicates that the vehicle has lost communication with the Fuel Additive Control Module (FACM), which manages fuel additives for emissions control.
2. What are the common symptoms of the U0118 code on a Lincoln?
Symptoms may include an illuminated check engine light, reduced engine performance, poor fuel economy, or difficulty passing emissions tests.
3. What causes the U0118 code to appear on a Lincoln?
Common causes include a faulty Fuel Additive Control Module, wiring or connector issues, a blown fuse, or a problem with the vehicle's CAN (Controller Area Network) communication system.
4. Can a faulty battery cause the U0118 code on a Lincoln?
Yes, a weak or failing battery can disrupt communication between modules, potentially triggering the U0118 code.
5. How do you diagnose the U0118 code on a Lincoln?
Diagnosis involves checking the FACM for proper power and ground, inspecting wiring and connectors for damage, and verifying communication on the CAN bus with a scan tool.
6. Can I drive my Lincoln with the U0118 code active?
Driving with this code is not recommended, as it may affect emissions control and could lead to further damage if the issue is not resolved.
7. How much does it cost to repair the U0118 code on a Lincoln?
Repair costs vary, but they may range from $100 for wiring repairs to over $500 if the Fuel Additive Control Module needs replacement.
8. Can a software update fix the U0118 code on a Lincoln?
In some cases, a software update for the vehicle’s control modules may resolve communication issues and clear the code.
9. What tools are needed to fix the U0118 code on a Lincoln?
You’ll need an OBDII scanner, a multimeter for testing electrical connections, and possibly a CAN bus diagnostic tool.
10. Does the U0118 code always mean the Fuel Additive Control Module is bad?
No, the code could also be caused by wiring issues, a blown fuse, or faults in other parts of the CAN communication network.
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