Engine-Codes.com
Engine-Codes – RAM – U1119 RAM

U1119 RAM Code - Lost Front Control Module Message

Quick Answer

The U1119 RAM code indicates that the Front Control Module (FCM) in the vehicle has lost communication with one or more modules on the Controller Area Network (CAN) bus. Common causes include Faulty wiring or connections, Malfunctioning FCM, Electrical interference. 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
U1119 RAM indicates Lost Front Control Module Message.
Common causes
Common causes include Faulty wiring or connections, Malfunctioning FCM, Electrical interference.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code U1119 RAM Description

The U1119 RAM code indicates that the Front Control Module (FCM) in the vehicle has lost communication with one or more modules on the Controller Area Network (CAN) bus. The CAN bus is a communication network that allows various modules in the vehicle to exchange information and data. When the FCM is unable to communicate with other modules on the CAN bus, it can lead to issues with the vehicle's performance and functionality.

OBDII Code U1119 RAM - Lost Front Control Module Message
U1119 RAM Code - Lost Front Control Module Message

Common Causes of U1119 RAM

  1. Faulty wiring or connections
  2. Malfunctioning FCM
  3. Electrical interference
  4. Water damage to the FCM or wiring
  5. Software issues

Symptoms of U1119 RAM

  1. Lights not working properly
  2. Power windows or door locks malfunctioning
  3. Security system issues
  4. Unresponsive accessories
  5. Warning lights on the dashboard

How to Fix U1119 RAM

  1. Conduct a thorough inspection of the wiring and connections to identify any issues.
  2. Test the FCM to determine if it is functioning correctly.
  3. Check for any signs of water damage or corrosion in the FCM or wiring.
  4. Update the software on the FCM to ensure compatibility with other modules.
  5. Replace the FCM if it is found to be faulty and unable to communicate properly.

Cost to Fix U1119 RAM

The cost of repairing the U1119 RAM code can vary depending on the specific issue and the extent of the repair needed. On average, the repair costs for this issue can range from $200 to $500, including parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate. Additionally, factors such as the vehicle make and model, location, and engine type can also impact the overall repair costs.

Need more information about the U1119 RAM code?

Need more information on how to fix the U1119 RAM code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U1119 RAM 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 U1119 RAM Code

1. What does the OBDII code U1119 mean on a RAM vehicle?

The U1119 code indicates a "Lost Front Control Module (FCM) Message," meaning the communication between the FCM and other modules has been interrupted.

2. What are the common symptoms of the U1119 code on a RAM?

Symptoms may include warning lights on the dashboard, erratic headlight or wiper operation, and non-functional auxiliary systems like turn signals or fog lights.

3. What causes the U1119 code to appear?

Common causes include a faulty Front Control Module (FCM), wiring issues like damaged or corroded connectors, or a malfunction in the CAN (Controller Area Network) bus system.

4. Can the U1119 code cause drivability issues?

Typically, U1119 does not affect drivability but may compromise the functionality of certain vehicle systems controlled by the FCM.

5. How can I diagnose the U1119 code?

Start by checking the FCM's wiring and connectors for damage or corrosion. Then use a scan tool to check for related codes and monitor the CAN bus communication.

6. Can a dead battery trigger the U1119 code?

Yes, a weak or dead battery can disrupt module communication and potentially trigger the U1119 code.

7. How do I fix the U1119 code on a RAM vehicle?

Repairs may include cleaning or repairing corroded connectors, replacing damaged wiring, or replacing the Front Control Module if it's found to be defective.

8. How much does it cost to fix the U1119 code?

Repair costs can range from $50–$150 for minor wiring repairs, while replacing the FCM may cost $300–$800, depending on parts and labor.

9. Can I drive my RAM with the U1119 code active?

While the vehicle may still be drivable, it’s not recommended as certain systems like lights or wipers may not function correctly, potentially compromising safety.

10. Do I need to reprogram the Front Control Module after replacement?

Yes, in most cases, the new FCM will need to be programmed using specialized tools to ensure proper communication with the vehicle’s systems.

Discuss the causes and fixes for U1119 RAM OBDII Code

Submit a New Comment

Code U1119 RAM comments

No comments found for this page.