AutoCodes – Chrysler – U1114 Chrysler

U1114 Chrysler Code - Lost Communication With Left 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: U1114 Chrysler indicates Lost Communication With Left 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 2,181

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
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Code U1114 Chrysler Description

OBDII Code U1114 Chrysler - Lost Communication With Left Front Tire Pressure Trigger Module - AutoCodes.com — U1114 Chrysler Code - Lost Communication With Left Front Tire Pressure Trigger Module

What does this mean?

What are the Possible Causes of the DTC U1114 Chrysler?

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 U1114 Chrysler?

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 U1114 Chrysler 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.

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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 U1114 Chrysler Code

1. What does the OBDII code U1114 mean on a Chrysler vehicle?

U1114 indicates a loss of communication with the Left Front Tire Pressure Trigger Module, meaning the system is not receiving data from the module responsible for monitoring the left front tireâ€™s pressure.

2. What are the common symptoms of the U1114 code?

Common symptoms include the Tire Pressure Monitoring System (TPMS) warning light turning on, inaccurate or missing tire pressure readings for the left front tire, and potential TPMS system failure.

3. What causes the U1114 code to appear?

The most common causes include a faulty left front tire pressure sensor, damaged wiring or connectors, signal interference, or a malfunctioning control module.

4. Can I drive my Chrysler with the U1114 code?

While it is generally safe to drive, the TPMS may not provide accurate tire pressure monitoring, which could increase the risk of driving on underinflated or overinflated tires.

5. How can I diagnose the U1114 code?

Start by checking the TPMS sensor on the left front tire for damage or battery failure, inspect the wiring and connectors for corrosion or disconnection, and use a scan tool to test communication with the trigger module.

6. How do I fix the U1114 code?

Repairs may involve replacing the faulty left front tire pressure sensor, repairing damaged wiring or connectors, or reprogramming or replacing the TPMS control module if necessary.

7. Can low tire pressure cause the U1114 code?

Low tire pressure itself is unlikely to cause the U1114 code, but an issue with the trigger module or sensor could result in the TPMS failing to detect or report the correct pressure.

8. How much does it cost to fix the U1114 code?

Repair costs vary depending on the issue but typically range from $50 to $250, with higher costs if the TPMS module or multiple sensors need replacement.

9. Can a dead TPMS sensor battery trigger the U1114 code?

Yes, a dead or weak TPMS sensor battery can prevent communication with the control module, triggering the U1114 code.

10. Do I need to reprogram the TPMS after fixing the U1114 code?

In some cases, yes. If the sensor or module is replaced, reprogramming or recalibration may be required to ensure proper communication and functionality.