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U1114 Chrysler Code - Lost Communication With Left Front Tire Pressure Trigger Module

Quick Answer

The U1114 Chrysler diagnostic trouble code (DTC) indicates that the vehicle's onboard computer system has lost communication with the Left Front Tire Pressure Trigger Module. Common causes include Faulty Left Front Tire Pressure Trigger Module, Damaged wiring or connectors leading to the module, Malfunctioning tire pressure sensor in the left front tire. 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 Left Front Tire Pressure Trigger Module, Damaged wiring or connectors leading to the module, Malfunctioning tire pressure sensor in the left front tire.
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 11, 2024
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Code U1114 Chrysler Description

The U1114 Chrysler diagnostic trouble code (DTC) indicates that the vehicle's onboard computer system has lost communication with the Left Front Tire Pressure Trigger Module. This module is responsible for monitoring and controlling the tire pressure in the left front tire. When communication is lost with this module, it can lead to a variety of issues related to the tire pressure monitoring system (TPMS) and potentially affect the overall performance and safety of the vehicle.

OBDII Code U1114 Chrysler - Lost Communication With Left Front Tire Pressure Trigger Module
U1114 Chrysler Code - Lost Communication With Left Front Tire Pressure Trigger Module

Common Causes of U1114 Chrysler

  1. Faulty Left Front Tire Pressure Trigger Module
  2. Damaged wiring or connectors leading to the module
  3. Malfunctioning tire pressure sensor in the left front tire
  4. Communication error within the vehicle's network
  5. Corrosion or debris affecting the module's connection

Symptoms of U1114 Chrysler

  1. TPMS warning light illuminated on the dashboard
  2. Inaccurate or inconsistent tire pressure readings displayed on the TPMS screen
  3. Loss of communication with other tire pressure sensors
  4. Decreased fuel efficiency due to improper tire pressure

How to Fix U1114 Chrysler

  1. Perform a diagnostic scan to retrieve the U1114 code and verify the communication loss with the Left Front Tire Pressure Trigger Module.
  2. Inspect the wiring and connectors leading to the module for any damage or corrosion. Repair or replace as needed.
  3. Check the tire pressure sensor in the left front tire for proper functionality. Replace if faulty.
  4. Clear the DTC and reset the TPMS system to establish communication with the module.
  5. Test drive the vehicle to ensure that the TPMS is operating correctly and that the U1114 code does not reappear.

Cost to Fix U1114 Chrysler

The typical repair costs for addressing the U1114 Chrysler code can vary depending on the specific cause of the communication loss and the necessary repairs. In general, replacing a faulty Left Front Tire Pressure Trigger Module can cost between $200 and $400, including parts and labor. Additional costs may be incurred for diagnostic scans, wiring repairs, or sensor replacements. It is advisable to consult with a qualified mechanic or auto repair shop for an accurate cost estimate based on the specific vehicle make and model, as well as the extent of the repairs needed. Keep in mind that labor rates can vary, with average rates ranging from $80 to $150 per hour.

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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 tire’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.

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