Engine-Codes.com
Engine-Codes – Infiniti – U0141 Infiniti

U0141 Infiniti Code - Lost Communication With Body Control Module 'A'

Quick Answer

The U0141 code for Infiniti vehicles indicates that there is a communication failure between the Engine Control Module (ECM) and the Body Control Module (BCM) 'A'. Common causes include Faulty Body Control Module (BCM), Faulty Engine Control Module (ECM), Damaged wiring or connectors. 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
U0141 Infiniti indicates Lost Communication With Body Control Module 'A'.
Common causes
Common causes include Faulty Body Control Module (BCM), Faulty Engine Control Module (ECM), Damaged wiring or connectors.
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 12, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code U0141 Infiniti Description

The U0141 code for Infiniti vehicles indicates that there is a communication failure between the Engine Control Module (ECM) and the Body Control Module (BCM) 'A'. The BCM is responsible for controlling various functions related to the vehicle's body, such as lighting, power windows, door locks, and more. When communication is lost with the BCM, it can lead to issues with these systems, causing potential malfunctions or failures.

OBDII Code U0141 Infiniti - Lost Communication With Body Control Module 'A'
U0141 Infiniti Code - Lost Communication With Body Control Module 'A'

Common Causes of U0141 Infiniti

  1. Faulty Body Control Module (BCM)
  2. Faulty Engine Control Module (ECM)
  3. Damaged wiring or connectors
  4. Software issues or glitches
  5. Water damage or corrosion

Symptoms of U0141 Infiniti

  1. Malfunctioning lights (interior, exterior, dashboard)
  2. Power window issues (unable to open/close)
  3. Door lock malfunctions
  4. Erratic behavior of other body-related systems
  5. Difficulty starting the vehicle

How to Fix U0141 Infiniti

  1. Perform a thorough inspection of the wiring and connectors for any damage or corrosion.
  2. Check for loose connections between the ECM and BCM.
  3. Use a diagnostic scanner to reset the communication between the modules.
  4. If necessary, replace the faulty BCM or ECM.
  5. Clear the trouble codes and test the vehicle to ensure proper communication and functionality.

Cost to Fix U0141 Infiniti

The typical repair costs for addressing the U0141 code in an Infiniti vehicle can range from $200 to $600, depending on the exact cause of the communication failure and the cost of replacement parts. Labor costs, which can vary based on location and shop rates, may add an additional $80 to $150 per hour to the total repair bill. It is advisable to consult with a trusted mechanic or dealership for a more accurate estimate based on the specific circumstances of your vehicle.

Need more information about the U0141 Infiniti code?

Need more information on how to fix the U0141 Infiniti code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U0141 Infiniti 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 U0141 Infiniti Code

1. What does the OBDII code U0141 mean on an Infiniti?

U0141 indicates a loss of communication with the Body Control Module 'A' (BCM), which manages various electrical functions in the vehicle.

2. What are the common symptoms of the U0141 code in an Infiniti?

Symptoms may include malfunctioning interior lights, power windows, door locks, or other electrical features, as well as warning lights on the dashboard.

3. What causes the U0141 code to appear on an Infiniti?

Common causes include a faulty BCM, damaged wiring or connectors, a weak battery, or a communication error in the CAN bus network.

4. Can a dead battery trigger the U0141 code on an Infiniti?

Yes, a weak or dead battery can disrupt communication between modules and trigger the U0141 code.

5. How do you diagnose the U0141 code in an Infiniti?

Diagnosing involves checking the BCM connectors and wiring for damage, testing the battery and fuses, and using a scan tool to inspect the CAN bus network for faults.

6. Is it safe to drive an Infiniti with the U0141 code?

It may be safe to drive, but critical systems depending on the BCM, like lights or locks, may not function correctly, which could become unsafe in certain situations.

7. How do you fix the U0141 code on an Infiniti?

Repairs can include replacing or repairing damaged wiring, resetting the BCM, updating software, or replacing the BCM if it’s faulty.

8. How much does it cost to fix the U0141 code on an Infiniti?

Repair costs vary but can range from $100 for minor wiring repairs to over $1,000 if the BCM needs replacement and reprogramming.

9. Can a faulty BCM cause the U0141 code to persist even after repairs?

Yes, if the BCM itself is defective, the code may not clear until the module is replaced and programmed correctly.

10. Can the U0141 code be cleared without repairing the issue?

The code can be temporarily cleared with a scan tool, but it will likely return unless the underlying issue is fixed.

Discuss the causes and fixes for U0141 Infiniti OBDII Code

Submit a New Comment

Code U0141 Infiniti comments

No comments found for this page.