AutoCodes – Generic – U1115

U1115 Code - Lost Communication With Right Front 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: U1115 indicates Lost Communication With Right Front 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.

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Code Popularity 9,678

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
Comments
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Code U1115 Description

OBDII Code U1115 - Lost Communication With Right Front Tire Pressure Trigger Module - AutoCodes.com — U1115 Code - Lost Communication With Right Front Tire Pressure Trigger Module

What does this mean?

What are the Possible Causes of the DTC U1115?

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 U1115?

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 U1115 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 U1115 code?

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Need Help with the Code?

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Information for Specific Makes

U1115 Chrysler — Lost Communication With Right Front Tire Pressure Trigger Module
U1115 Dodge — Lost Communication With Right Front Tire Pressure Trigger Module
U1115 Jeep — Lost Communication With Right Front Tire Pressure Trigger Module
U1115 RAM — Lost Communication With Right Front Tire Pressure Trigger Module

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.