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U1115 RAM Code - Lost Communication With Right Front Tire Pressure Trigger Module

Quick Answer

The U1115 diagnostic trouble code (DTC) indicates that there is a communication issue between the vehicle's onboard diagnostic system and the Right Front Tire Pressure Trigger Module. Common causes include Damaged wiring or connectors leading to the Right Front Tire Pressure Trigger Module, Faulty Right Front Tire Pressure Trigger Module, Corrosion or debris affecting the communication between the module and the vehicle's computer system. 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
U1115 RAM indicates Lost Communication With Right Front Tire Pressure Trigger Module.
Common causes
Common causes include Damaged wiring or connectors leading to the Right Front Tire Pressure Trigger Module, Faulty Right Front Tire Pressure Trigger Module, Corrosion or debris affecting the communication between the module and the vehicle's computer system.
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 12, 2024
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Code U1115 RAM Description

The U1115 diagnostic trouble code (DTC) indicates that there is a communication issue between the vehicle's onboard diagnostic system and the Right Front Tire Pressure Trigger Module. This module is responsible for monitoring the tire pressure in the right front tire and sending this information to the vehicle's computer system. When communication is lost with this module, it can lead to inaccurate tire pressure readings being displayed on the dashboard, potentially affecting the vehicle's handling, safety, and fuel efficiency.

OBDII Code U1115 RAM - Lost Communication With Right Front Tire Pressure Trigger Module
U1115 RAM Code - Lost Communication With Right Front Tire Pressure Trigger Module

Common Causes of U1115 RAM

  1. Damaged wiring or connectors leading to the Right Front Tire Pressure Trigger Module
  2. Faulty Right Front Tire Pressure Trigger Module
  3. Corrosion or debris affecting the communication between the module and the vehicle's computer system
  4. Software or firmware issues within the TPMS system
  5. Malfunctioning onboard diagnostic system

Symptoms of U1115 RAM

  1. TPMS warning light illuminated on the dashboard
  2. Inaccurate tire pressure readings displayed on the dashboard
  3. Loss of communication with the Right Front Tire Pressure Trigger Module
  4. Vehicle handling issues, such as uneven tire wear or poor traction

How to Fix U1115 RAM

  1. Begin by inspecting the wiring and connectors leading to the Right Front Tire Pressure Trigger Module for any damage or corrosion. Repair or replace as needed.
  2. Check the module itself for any signs of damage or malfunction. Replace if necessary.
  3. Clear the DTC using a diagnostic scanner and reset the TPMS system.
  4. Test drive the vehicle to ensure the TPMS is functioning properly and that communication with the Right Front Tire Pressure Trigger Module has been restored.
  5. If the issue persists, further diagnostics may be required to pinpoint the exact cause of the communication loss.

Cost to Fix U1115 RAM

The typical repair costs for addressing a U1115 code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, replacing a faulty Right Front Tire Pressure Trigger Module can cost between $100 and $300, while repairing damaged wiring or connectors may range from $50 to $150. The total cost, including parts and labor, could be in the range of $150 to $500. It is advisable to contact local auto repair shops for a more accurate estimate based on the specific make and model of the vehicle.

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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 U1115 RAM Code

1. What are common symptoms of OBDII code U1115 RAM?

- Common symptoms include the TPMS light on the dashboard illuminating, loss of communication with the right front tire pressure trigger module, and possible issues with monitoring tire pressure.

2. What can cause the OBDII code U1115 RAM to be triggered?

- This code is typically triggered due to a communication error between the vehicle's onboard computer and the right front tire pressure trigger module.

3. How can I diagnose the OBDII code U1115 RAM?

- Diagnosis involves using a scan tool to communicate with the vehicle's system and check for any communication errors with the right front tire pressure trigger module.

4. Can a faulty TPMS sensor cause the U1115 RAM code?

- Yes, a faulty TPMS sensor or issues with the tire pressure trigger module can potentially trigger the U1115 RAM code.

5. What is the recommended repair for the U1115 RAM code?

- The recommended repair involves troubleshooting the communication issue between the vehicle's system and the right front tire pressure trigger module, which may require repairing or replacing faulty components.

6. Are there any DIY tips for addressing the U1115 RAM code?

- DIY tips include checking the TPMS sensor for proper operation, ensuring all connections are secure, and resetting the system to see if the code clears.

7. Can driving with the U1115 RAM code present cause any safety concerns?

- While driving with this code may not immediately impact safety, it is advisable to address the underlying communication issue to ensure proper monitoring of tire pressure for optimal vehicle performance.

8. How long does it typically take to repair the U1115 RAM code?

- Repair time can vary depending on the exact cause of the communication error, but it may take anywhere from a few hours to a day to diagnose and resolve the issue.

9. Is it necessary to visit a dealership for U1115 RAM repairs?

- While visiting a dealership is recommended for complex issues, independent repair shops with experience in TPMS systems can also effectively diagnose and repair the U1115 RAM code.

10. Can the U1115 RAM code be intermittent or permanent?

- The U1115 RAM code can be intermittent if the communication error with the right front tire pressure trigger module occurs sporadically, but it can become permanent if the issue persists.

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