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U1117 Jeep Code - Lost Communication With Right Rear Tire Pressure Trigger Module

Quick Answer

The U1117 diagnostic trouble code for Jeep vehicles indicates that there is a communication issue with the Right Rear Tire Pressure Trigger Module. Common causes include Faulty wiring or connections between the main computer system and the Right Rear Tire Pressure Trigger Module, Malfunctioning Right Rear Tire Pressure Trigger Module, Corrosion or damage to the module's connectors. 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
U1117 Jeep indicates Lost Communication With Right Rear Tire Pressure Trigger Module.
Common causes
Common causes include Faulty wiring or connections between the main computer system and the Right Rear Tire Pressure Trigger Module, Malfunctioning Right Rear Tire Pressure Trigger Module, Corrosion or damage to the module's connectors.
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 13, 2024
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Code U1117 Jeep Description

The U1117 diagnostic trouble code for Jeep vehicles indicates that there is a communication issue with the Right Rear Tire Pressure Trigger Module. This module is responsible for monitoring the tire pressure in the right rear tire and sending this information to the vehicle's main 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 performance and safety.

OBDII Code U1117 Jeep - Lost Communication With Right Rear Tire Pressure Trigger Module
U1117 Jeep Code - Lost Communication With Right Rear Tire Pressure Trigger Module

Common Causes of U1117 Jeep

  1. Faulty wiring or connections between the main computer system and the Right Rear Tire Pressure Trigger Module.
  2. Malfunctioning Right Rear Tire Pressure Trigger Module.
  3. Corrosion or damage to the module's connectors.
  4. Electrical interference or a short circuit in the system.
  5. Software issues with the vehicle's main computer system.

Symptoms of U1117 Jeep

  1. TPMS warning light illuminated on the dashboard.
  2. Inaccurate tire pressure readings displayed on the dashboard.
  3. Decreased fuel efficiency.
  4. Poor handling or uneven tire wear.
  5. Potential loss of control while driving.

How to Fix U1117 Jeep

  1. Begin by conducting a visual inspection of the wiring and connectors between the main computer system and the Right Rear Tire Pressure Trigger Module. Look for any signs of damage, corrosion, or loose connections.
  2. Use a diagnostic scan tool to attempt to establish communication with the module. If communication cannot be established, check for power and ground at the module.
  3. If the module is found to be faulty, it will need to be replaced with a new one. Ensure that the replacement module is compatible with the vehicle's make and model.
  4. Clear the diagnostic trouble codes from the vehicle's computer system using the scan tool.
  5. Test drive the vehicle to ensure that the TPMS warning light is no longer illuminated and that accurate tire pressure readings are being displayed.

Cost to Fix U1117 Jeep

The cost of repairing a U1117 code related to the Right Rear Tire Pressure Trigger Module can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the repair cost for this issue can range from $150 to $300, including parts and labor. However, it's important to note that labor rates at auto repair shops can vary widely, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle type.

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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 U1117 Jeep Code

1. What are the common symptoms of OBDII code U1117 in a Jeep related to the Right Rear Tire Pressure Trigger Module?

The common symptoms include issues with tire pressure monitoring system (TPMS) functionality for the right rear tire, such as inaccurate pressure readings or loss of communication with the module.

2. What can cause the OBDII code U1117 in a Jeep indicating Lost Communication With Right Rear Tire Pressure Trigger Module?

Possible causes for this code include a faulty tire pressure trigger module, wiring issues, a blown fuse, or a malfunctioning TPMS sensor in the right rear tire.

3. How can I diagnose the U1117 code in my Jeep related to the Right Rear Tire Pressure Trigger Module?

Diagnosing the U1117 code involves checking the wiring connections, inspecting the tire pressure trigger module, testing the TPMS sensor in the right rear tire, and verifying the fuse related to the TPMS system.

4. Can I still drive my Jeep with the U1117 code indicating Lost Communication With Right Rear Tire Pressure Trigger Module?

It is generally safe to drive the vehicle with this code, but it is important to address the issue promptly to ensure accurate tire pressure monitoring and proper functioning of the TPMS system.

5. How do I repair the U1117 code in my Jeep associated with the Right Rear Tire Pressure Trigger Module?

To repair the U1117 code, you may need to replace the faulty tire pressure trigger module, repair any damaged wiring, replace the TPMS sensor in the right rear tire if necessary, and reset the system.

6. Will resetting the TPMS system clear the U1117 code in my Jeep?

Resetting the TPMS system may temporarily clear the code, but if the underlying issue causing the U1117 code is not resolved, the code is likely to reappear after driving the vehicle.

7. Can weather conditions affect the occurrence of the U1117 code in a Jeep?

Extreme weather conditions, such as temperature fluctuations or exposure to moisture, can sometimes impact the operation of the TPMS system and trigger the U1117 code related to the right rear tire pressure trigger module.

8. Is it possible for the U1117 code to be a false alarm in my Jeep?

While rare, false alarms for the U1117 code can occur due to temporary communication glitches or sensor malfunctions. It is advisable to perform a thorough diagnosis to confirm the issue.

9. Are there any preventative measures to avoid the U1117 code in a Jeep?

Regularly checking tire pressure, maintaining the TPMS system, and addressing any warning signs promptly can help prevent issues that may lead to the U1117 code related to lost communication with the right rear tire pressure trigger module.

10. Can a DIY enthusiast fix the U1117 code issue in a Jeep, or is it recommended to seek professional assistance?

Depending on your mechanical skills and knowledge, you may be able to address the U1117 code yourself by following proper diagnostic procedures and repair steps. However, if you are unsure or the issue is complex, it is advisable to seek professional assistance to ensure the problem is resolved correctly.

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