AutoCodes – RAM – U1117 RAM

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

Quick Answer

The Diagnostic Trouble Code (DTC) sets if the Wireless Ignition Node (WIN) fails to receive bus messages from the Tire Pressure Trigger Module for two consecutive counts of trigger module not responding to a communication check. Common causes include Faulty Tire Pressure Trigger Module, Tire Pressure Trigger Module harness is open or shorted, Tire Pressure Trigger Module circuit poor electrical connection. 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 RAM indicates Lost Communication With Right Rear Tire Pressure Trigger Module.
Common causes: Common causes include Faulty Tire Pressure Trigger Module, Tire Pressure Trigger Module harness is open or shorted, Tire Pressure Trigger Module circuit poor electrical connection.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 803

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 23, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code U1117 RAM Description

OBDII Code U1117 RAM - Lost Communication With Right Rear Tire Pressure Trigger Module - AutoCodes.com — U1117 RAM Code - Lost Communication With Right Rear Tire Pressure Trigger Module

What does this mean?

What are the Possible Causes of the DTC U1117 RAM?

Faulty Tire Pressure Trigger Module
Tire Pressure Trigger Module harness is open or shorted
Tire Pressure Trigger Module circuit poor electrical connection
Faulty Wireless Ignition Node (WIN)

How to Fix the DTC U1117 RAM?

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 U1117 RAM 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.

Need more information about the U1117 RAM code?

Need more information on how to fix the U1117 RAM code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U1117 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 U1117 RAM Code

1. What are the common symptoms of OBDII code U1117?

- Common symptoms of code U1117 include issues with the right rear tire pressure monitoring system, such as inaccurate tire pressure readings or a malfunctioning tire pressure display.

2. What can cause the OBDII code U1117 to appear?

- The U1117 code is typically triggered when there is a communication error between the vehicle's onboard computer system and the right rear tire pressure trigger module.

3. How can I diagnose the cause of the U1117 code?

- Diagnosing the U1117 code usually involves checking the wiring and connections between the right rear tire pressure trigger module and the vehicle's computer system. It's also important to inspect the module itself for any signs of damage or malfunction.

4. What are some repair tips for fixing the U1117 code?

- Repairing the U1117 code may involve repairing or replacing damaged wiring, connectors, or the right rear tire pressure trigger module itself. It's important to follow the manufacturer's diagnostic and repair procedures to ensure proper resolution.

5. Can I drive my vehicle with the U1117 code present?

- It is generally safe to drive the vehicle with the U1117 code, but it's important to address the issue promptly to ensure the proper functioning of the tire pressure monitoring system.

6. How much does it typically cost to repair the U1117 code?

- The cost of repairing the U1117 code can vary depending on the extent of the issue and the specific repairs needed. It's recommended to consult with a professional mechanic for an accurate diagnosis and cost estimate.

7. Can I reset the U1117 code without fixing the underlying issue?

- While you can clear the U1117 code with an OBDII scanner, it's important to address the underlying communication problem between the vehicle's computer system and the right rear tire pressure trigger module to prevent the code from reappearing.

8. Will the U1117 code cause my vehicle to fail an emissions test?

- The U1117 code is typically related to the tire pressure monitoring system and should not cause your vehicle to fail an emissions test. However, it's still important to address the issue for proper vehicle operation.

9. How common is the U1117 code in vehicles?

- The U1117 code is not as common as some other OBDII codes, but it can still occur in vehicles equipped with tire pressure monitoring systems that experience communication issues with the right rear tire pressure trigger module.

10. Can extreme temperatures or weather conditions trigger the U1117 code?

- Extreme temperatures or weather conditions can potentially affect the performance of the tire pressure monitoring system and lead to communication issues that trigger the U1117 code.