Engine-CodesInfiniti – U0113 Infiniti

U0113 Infiniti Code - Lost Communication With VVEL Control Module

Quick Answer

The U0113 code for Infiniti vehicles indicates that there is a communication problem between the vehicle's onboard computer system and the Variable Valve Event and Lift (VVEL) control module. Common causes include Faulty wiring or connectors between the onboard computer and VVEL control module, Malfunctioning VVEL control module, Software issues with the vehicle's computer system. 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
U0113 Infiniti indicates Lost Communication With VVEL Control Module.
Common causes
Common causes include Faulty wiring or connectors between the onboard computer and VVEL control module, Malfunctioning VVEL control module, Software issues with the vehicle's computer system.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code U0113 Infiniti Description

The U0113 code for Infiniti vehicles indicates that there is a communication problem between the vehicle's onboard computer system and the Variable Valve Event and Lift (VVEL) control module. The VVEL system is responsible for managing the opening and closing of the engine's intake valves, which directly impacts the engine's performance and efficiency. When communication is lost with this module, it can lead to erratic engine behavior, decreased performance, and potential long-term damage if not addressed promptly.

OBDII Code U0113 Infiniti - Lost Communication With VVEL Control Module
U0113 Infiniti Code - Lost Communication With VVEL Control Module

Common Causes of U0113 Infiniti

  1. Faulty wiring or connectors between the onboard computer and VVEL control module.
  2. Malfunctioning VVEL control module.
  3. Software issues with the vehicle's computer system.
  4. Electrical interference or communication bus errors.
  5. Water or moisture damage affecting the communication signals.

Symptoms of U0113 Infiniti

  1. Engine misfires or rough idling.
  2. Decreased acceleration and power.
  3. Check Engine Light illuminated on the dashboard.
  4. Reduced fuel efficiency.
  5. Engine entering failsafe mode.

How to Fix U0113 Infiniti

  1. Begin by conducting a thorough inspection of the wiring and connectors between the computer and VVEL control module to check for any visible damage or loose connections.
  2. Use a diagnostic scanner to reset the communication system and clear the U0113 code. Test the system to see if the code reappears.
  3. If the code persists, consider replacing the VVEL control module with a new or refurbished unit to restore proper communication.
  4. Check for any software updates or reprogramming that may be required for the vehicle's computer system to communicate effectively with the VVEL module.
  5. Ensure all connections are secure and free of moisture or debris before completing the repair process.

Cost to Fix U0113 Infiniti

The typical repair costs for addressing the U0113 code in an Infiniti vehicle can vary depending on the specific cause of the communication issue. In general, replacing a faulty VVEL control module can range from $300 to $800, including parts and labor. Diagnostic fees may add an additional $50 to $100 to the total cost. It's important to note that labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. Factors such as location, vehicle make and model, and engine type can also affect the overall repair costs. It's recommended to consult with a certified mechanic or dealership to get a more accurate estimate for addressing this issue.

When is the Code Detected?

CAN communication signal of OBD (emission related diagnosis) is not received Variable Valve Event & Lift (VVEL) control module and Engine Control Module (ECM) for 2 seconds or more.

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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 U0113 Infiniti Code

What does the OBDII code U0113 mean on an Infiniti vehicle?

1. The U0113 code indicates a "Lost Communication With VVEL (Variable Valve Event & Lift) Control Module," meaning the ECM cannot communicate with the VVEL module. 2.

What are the common symptoms of the U0113 code in an Infiniti?

Symptoms may include poor engine performance, reduced power, a rough idle, hesitation during acceleration, and the Check Engine Light being illuminated. 3.

What causes the U0113 code to appear in an Infiniti?

The most common causes are a faulty VVEL control module, damaged wiring or connectors in the VVEL communication circuit, a bad ECM, or power/ground supply issues to the VVEL module. 4.

Can I drive my Infiniti with a U0113 code?

While the vehicle may still run, driving with this code can lead to reduced performance and potential damage to the engine over time. It’s best to address the issue promptly. 5.

How do you diagnose the U0113 code in an Infiniti?

Diagnostics involve checking the VVEL module’s wiring and connectors for damage, verifying the module’s power and ground supply, and using a scan tool to inspect communication signals between the ECM and VVEL module. 6.

How can the U0113 code be fixed in an Infiniti?

Repairs may include replacing or repairing faulty wiring, cleaning or reconnecting loose connectors, updating or replacing the VVEL control module, or, in rare cases, replacing the ECM. 7.

What tools are needed to troubleshoot the U0113 code?

You’ll need an advanced OBDII scan tool, a multimeter to test circuits, and possibly an oscilloscope to check communication signals. 8.

Does the U0113 code always mean the VVEL module is bad?

No, it doesn’t always mean the module is bad. The issue could also be caused by damaged wiring, a bad ECM, or other communication-related problems. 9.

Is the U0113 code specific to Infiniti vehicles?

The U0113 code can appear on other vehicles, but in Infiniti models, it specifically refers to communication issues with the VVEL control module. 10.

How much does it cost to repair the U0113 code on an Infiniti?

Repair costs vary depending on the cause. Wiring repairs may cost $100-$300, while replacing the VVEL control module or ECM could range from $500 to $2,000, including parts and labor.

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