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U0155 Infiniti Code - Lost Communication With Instrument Panel Cluster Control Module

Quick Answer

The U0155 code for Infiniti vehicles indicates that there has been a communication failure between the vehicle's Engine Control Module (ECM) and the Instrument Panel Cluster Control Module. Common causes include Loose or corroded wiring connections, Faulty instrument panel cluster control module, Software glitches in the ECM. 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
U0155 Infiniti indicates Lost Communication With Instrument Panel Cluster Control Module.
Common causes
Common causes include Loose or corroded wiring connections, Faulty instrument panel cluster control module, Software glitches in the ECM.
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 08, 2024
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Code U0155 Infiniti Description

The U0155 code for Infiniti vehicles indicates that there has been a communication failure between the vehicle's Engine Control Module (ECM) and the Instrument Panel Cluster Control Module. This can lead to a loss of data exchange between these components, resulting in issues with displaying crucial information on the instrument cluster, such as vehicle speed, fuel level, engine temperature, and warning lights.

OBDII Code U0155 Infiniti - Lost Communication With Instrument Panel Cluster Control Module
U0155 Infiniti Code - Lost Communication With Instrument Panel Cluster Control Module

Common Causes of U0155 Infiniti

  1. Loose or corroded wiring connections
  2. Faulty instrument panel cluster control module
  3. Software glitches in the ECM
  4. Electrical interference from aftermarket accessories
  5. ECM malfunction

Symptoms of U0155 Infiniti

  1. Inaccurate or erratic readings on the instrument cluster
  2. Warning lights illuminated on the dashboard
  3. Loss of communication with other vehicle systems
  4. Vehicle stalling or hesitation
  5. Difficulty starting the vehicle

How to Fix U0155 Infiniti

  1. Begin by conducting a thorough visual inspection of the wiring connections between the ECM and the instrument panel cluster control module.
  2. Use a diagnostic scan tool to retrieve the specific trouble codes and data related to the communication failure.
  3. Test the communication lines between the modules to determine if there is a break or short circuit.
  4. If necessary, replace the faulty instrument panel cluster control module or ECM.
  5. Clear the trouble codes, perform a test drive to verify the repair, and reset any adaptations in the vehicle's system.

Cost to Fix U0155 Infiniti

The typical repair costs for addressing a U0155 code in an Infiniti vehicle can range from $200 to $500, including parts and labor. However, the final cost may vary depending on the specific diagnosis time and labor rates at auto repair shops, which can range from $80 to $150 per hour. It is recommended to obtain quotes from local shops to get a more accurate estimate based on your location and vehicle details.

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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 U0155 Infiniti Code

1. What are the common symptoms of OBDII code U0155 in an Infiniti?

Common symptoms include a malfunctioning instrument cluster, loss of communication with the instrument panel, warning lights on the dashboard, and inaccurate gauge readings.

2. What can cause the U0155 code in an Infiniti?

The U0155 code is typically caused by a communication error between the engine control module and the instrument panel cluster control module. This can be due to wiring issues, a faulty control module, or a software glitch.

3. How serious is the U0155 code in an Infiniti?

While the U0155 code itself does not directly affect the drivability of the vehicle, it can lead to safety issues if the instrument panel cluster is not functioning correctly. It is recommended to address this issue promptly.

4. How can I diagnose the U0155 code in my Infiniti?

Diagnosing the U0155 code requires a professional OBDII scanner to communicate with the vehicle's control modules. A thorough inspection of the wiring, connectors, and control modules is also necessary to pinpoint the exact cause of the communication failure.

5. Can I drive my Infiniti with the U0155 code present?

It is generally safe to drive your Infiniti with the U0155 code present, but it is important to address the issue as soon as possible to avoid potential safety hazards and further damage to the vehicle's systems.

6. How can I repair the U0155 code in my Infiniti?

Repairing the U0155 code may involve repairing or replacing damaged wiring, connectors, or control modules. It is recommended to consult with a professional mechanic or dealership to properly diagnose and repair the issue.

7. Is the U0155 code a common problem in Infiniti vehicles?

The U0155 code is not extremely common in Infiniti vehicles, but it can occur due to various factors such as electrical issues, software glitches, or component failures.

8. Can a DIY enthusiast fix the U0155 code in an Infiniti?

While some DIY enthusiasts may have the necessary skills to diagnose and repair the U0155 code, it is recommended to consult with a professional mechanic or dealership for accurate diagnosis and repair to ensure the issue is properly resolved.

9. Will resetting the U0155 code make it go away permanently?

Resetting the U0155 code may temporarily clear the error code, but if the underlying issue causing the communication failure is not addressed, the code is likely to reappear. It is crucial to diagnose and repair the root cause of the problem.

10. How much does it cost to fix the U0155 code in an Infiniti?

The cost to fix the U0155 code can vary depending on the exact cause of the issue, the extent of repairs needed, and labor costs. It is advisable to obtain estimates from reputable mechanics or dealerships for an accurate cost assessment.

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