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U0140 2011 Nissan Versa Code - Lost Communication With Body Control Module

Quick Answer

The U0140 diagnostic trouble code (DTC) for a 2011 Nissan Versa indicates that there is a communication problem between the vehicle's engine control module (ECM) and the body control module (BCM). Common causes include Faulty wiring or connectors, Malfunctioning BCM or ECM, Corrosion on electrical connections. 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
U0140 2011 Nissan Versa indicates Lost Communication With Body Control Module.
Common causes
Common causes include Faulty wiring or connectors, Malfunctioning BCM or ECM, Corrosion on electrical connections.
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 16, 2024
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Code U0140 2011 Nissan Versa Description

The U0140 diagnostic trouble code (DTC) for a 2011 Nissan Versa indicates that there is a communication problem between the vehicle's engine control module (ECM) and the body control module (BCM). The body control module is responsible for controlling various electrical functions in the vehicle, such as the lights, power windows, door locks, and more. When communication is lost between the ECM and BCM, it can lead to a variety of issues affecting the vehicle's performance and functionality.

OBDII Code U0140 2011 Nissan Versa - Lost Communication With Body Control Module
U0140 2011 Nissan Versa Code - Lost Communication With Body Control Module

Common Causes of U0140 2011 Nissan Versa

  1. Faulty wiring or connectors
  2. Malfunctioning BCM or ECM
  3. Corrosion on electrical connections
  4. Electrical interference from aftermarket accessories
  5. Software issues in the BCM or ECM

Symptoms of U0140 2011 Nissan Versa

  1. Non-functioning power windows or door locks
  2. Malfunctioning lights (interior or exterior)
  3. Erratic behavior in electrical components
  4. Vehicle stalling or failure to start

How to Fix U0140 2011 Nissan Versa

  1. Begin by conducting a thorough inspection of the wiring and connectors between the ECM and BCM to check for any damage or corrosion.
  2. Use a diagnostic tool to scan for any specific trouble codes related to the communication issue and address them accordingly.
  3. Test the BCM and ECM for proper functionality and replace any faulty components if necessary.
  4. Clear the DTC from the vehicle's memory and perform a test drive to ensure that the communication issue has been resolved.
  5. If the problem persists, consider seeking assistance from a professional mechanic or dealership for further diagnosis and repair.

Cost to Fix U0140 2011 Nissan Versa

The typical repair costs for addressing a U0140 code on a 2011 Nissan Versa can vary depending on the specific cause of the communication issue. In general, the cost of parts for replacing a faulty BCM or ECM can range from $200 to $600, while labor costs can add an additional $100 to $300. Overall, the total repair cost for this issue may fall within the range of $300 to $900. It is important to note that these estimates are rough figures and actual costs may vary based on factors such as location, vehicle make and model, and the extent of the repair needed. It is advisable to consult with a local auto repair shop for a more accurate cost estimate.

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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 U0140 2011 Nissan Versa Code

1. What does the OBDII code U0140 on a 2011 Nissan Versa mean?

The code U0140 indicates a communication problem between the Engine Control Module (ECM) and the Body Control Module (BCM).

2. What are common symptoms of the U0140 code in a 2011 Nissan Versa?

Common symptoms include illuminated warning lights on the dashboard, loss of certain electronic functions, and intermittent issues with power windows, locks, or lights.

3. What are possible causes of the U0140 code in a 2011 Nissan Versa?

Potential causes of the U0140 code include wiring or connection issues, a faulty BCM, a malfunctioning ECM, or a software glitch in the vehicle's communication network.

4. How can I diagnose the U0140 code on my 2011 Nissan Versa?

Diagnosing the U0140 code typically involves checking for loose or damaged wiring, ensuring all connections are secure, and using a diagnostic scanner to communicate with the BCM and ECM for further troubleshooting.

5. Can I still drive my 2011 Nissan Versa with the U0140 code present?

It is not recommended to drive your vehicle with the U0140 code present, as it may result in further electrical issues or malfunctions. It's best to address the problem promptly to avoid potential safety hazards.

6. How can I repair the U0140 code on my 2011 Nissan Versa?

Repairing the U0140 code may involve fixing any wiring or connection issues, replacing a faulty BCM or ECM, updating software, or reprogramming the modules to restore communication between them.

7. Can a DIY enthusiast fix the U0140 code on a 2011 Nissan Versa?

While some basic troubleshooting steps can be taken by a DIY enthusiast, diagnosing and repairing the U0140 code may require specialized tools and expertise. It is recommended to consult a professional mechanic for proper diagnosis and repair.

8. How much does it cost to fix the U0140 code on a 2011 Nissan Versa?

The cost of fixing the U0140 code can vary depending on the underlying cause of the issue. Repairs may range from a simple wiring fix to replacing the BCM or ECM, potentially costing anywhere from a few hundred to a few thousand dollars.

9. Will resetting the trouble codes make the U0140 code disappear on my 2011 Nissan Versa?

Resetting the trouble codes may temporarily clear the U0140 code, but if the underlying issue is not addressed, the code is likely to reappear once the problem resurfaces. It's essential to diagnose and fix the root cause of the communication error.

10. Is the U0140 code a common issue in 2011 Nissan Versa vehicles?

While the U0140 code may not be as common as some other OBDII codes, communication errors between modules can occur in various vehicle models, including the 2011 Nissan Versa. Proper maintenance and timely diagnostics can help prevent such issues.

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