Engine-Codes.com
Engine-Codes – Nissan – U0122 Nissan

U0122 Nissan Code - Lost Communication With Vehicle Dynamics Control Module

Quick Answer

The U0122 diagnostic trouble code (DTC) for Nissan vehicles indicates a communication issue between the vehicle's onboard computer system and the Vehicle Dynamics Control (VDC) module. Common causes include Faulty wiring or connections between the onboard computer system and the VDC module, Malfunctioning VDC module, Corrosion or damage to the communication lines 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
U0122 Nissan indicates Lost Communication With Vehicle Dynamics Control Module .
Common causes
Common causes include Faulty wiring or connections between the onboard computer system and the VDC module, Malfunctioning VDC module, Corrosion or damage to the communication lines 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 Aug 25, 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 U0122 Nissan Description

The U0122 diagnostic trouble code (DTC) for Nissan vehicles indicates a communication issue between the vehicle's onboard computer system and the Vehicle Dynamics Control (VDC) module. The VDC module is responsible for monitoring and controlling the vehicle's stability and traction systems. When communication is lost with this module, it can impair the vehicle's ability to maintain stability and control during driving conditions that require traction control or stability assistance. This can potentially lead to unsafe driving conditions, especially in adverse weather or emergency situations.

OBDII Code U0122 Nissan - Lost Communication With Vehicle Dynamics Control Module
U0122 Nissan Code - Lost Communication With Vehicle Dynamics Control Module

Common Causes of U0122 Nissan

  1. Faulty wiring or connections between the onboard computer system and the VDC module
  2. Malfunctioning VDC module
  3. Corrosion or damage to the communication lines or connectors
  4. Software issues within the onboard computer system or VDC module
  5. Electrical interference or signal disruption from other vehicle components

Symptoms of U0122 Nissan

  1. Illuminated VDC warning light on the dashboard
  2. Traction control system malfunctions or becomes inoperative
  3. Unpredictable or erratic behavior of the vehicle's stability control system
  4. Difficulty maintaining control during cornering or slippery road conditions
  5. Reduced overall stability and handling of the vehicle

How to Fix U0122 Nissan

  1. Begin by visually inspecting the wiring harness and connectors for any signs of damage, corrosion, or loose connections.
  2. Use a diagnostic scanner to communicate with the VDC module and identify any specific error codes or communication faults.
  3. Test the VDC module for proper functionality and replace if necessary.
  4. Check for any software updates or reprogramming that may be required to resolve the communication issue.
  5. Clear the DTC from the vehicle's onboard computer system and perform a test drive to ensure that the VDC system is operating correctly.

Cost to Fix U0122 Nissan

The typical repair costs for addressing a U0122 code on a Nissan vehicle can range from $200 to $500, depending on the specific cause of the communication issue and the required repairs. This estimate includes parts and labor, but it is important to note that actual costs may vary based on factors such as location, vehicle make and model, and the extent of the repairs needed. It is recommended to consult with a qualified mechanic or automotive technician to obtain a more accurate estimate for your particular situation.

Need more information about the U0122 Nissan code?

Need more information on how to fix the U0122 Nissan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U0122 Nissan 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 U0122 Nissan Code

1. What does the OBDII code U0122 for Nissan mean?

The code U0122 indicates a communication problem between the vehicle's control module and the Vehicle Dynamics Control (VDC) module.

2. What are the common symptoms of U0122 code in a Nissan vehicle?

Common symptoms include the VDC warning light illuminated on the dashboard, loss of stability control, and potential issues with the ABS system.

3. What are the possible causes of the U0122 code in a Nissan?

Possible causes of the U0122 code include damaged wiring or connectors, a faulty VDC module, issues with the CAN bus communication system, or a malfunctioning control module.

4. How can I diagnose the U0122 code in my Nissan?

Diagnosing the U0122 code typically involves conducting a thorough inspection of the wiring and connectors related to the VDC module, checking for any visible damage or corrosion, and using a diagnostic scanner to communicate with the modules.

5. Can I continue driving my Nissan with the U0122 code present?

While the vehicle may still be operable with the U0122 code, it is important to address the issue promptly to ensure the proper functioning of the VDC system and overall vehicle safety.

6. How can I repair the U0122 code in my Nissan?

Repairing the U0122 code often involves fixing any damaged wiring or connectors, replacing the faulty VDC module if necessary, and clearing the error codes with a diagnostic tool.

7. Is the U0122 code a serious issue in a Nissan vehicle?

The U0122 code should be taken seriously as it can affect the performance of the vehicle's stability control system, potentially compromising safety in certain driving conditions.

8. Can a DIY enthusiast fix the U0122 code in a Nissan?

While some basic troubleshooting steps can be performed by DIY enthusiasts, diagnosing and repairing the U0122 code may require specialized tools and expertise, so it is recommended to consult a professional mechanic.

9. How much does it cost to repair the U0122 code in a Nissan?

The cost of repairing the U0122 code can vary depending on the specific cause of the issue, the extent of the repairs needed, and the labor rates of the repair shop. It is advisable to obtain quotes from multiple mechanics for an accurate estimate.

10. Will resetting the U0122 code make it go away permanently?

Simply resetting the U0122 code without addressing the underlying issue will not make it go away permanently. It is crucial to diagnose and repair the root cause of the problem to prevent the code from reoccurring.

Discuss the causes and fixes for U0122 Nissan OBDII Code

Submit a New Comment

Code U0122 Nissan comments

No comments found for this page.