AutoCodes – Infiniti – P1606 Infiniti

P1606 Infiniti Code - VVEL Control Module

Quick Answer

The Variable Valve Event and Lift (VVEL) Control Module consists of a microcomputer and connectors for signal input and output and for power supply. Common causes include Faulty Variable Valve Event and Lift (VVEL) Control Module, VVEL Control Module harness is open or shorted, VVEL Control Module circuit poor electrical connection. 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
P1606 Infiniti indicates VVEL Control Module.
Common causes
Common causes include Faulty Variable Valve Event and Lift (VVEL) Control Module, VVEL Control Module harness is open or shorted, VVEL Control Module circuit poor electrical connection.
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.
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Code Popularity 3,319
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Oct 24, 2021
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Code P1606 Infiniti Description

The Variable Valve Event and Lift (VVEL) Control Module consists of a microcomputer and connectors for signal input and output and for power supply. The VVEL control module controls the VVEL system. The Diagnostic Trouble Code (DTC) will be set when the VVEL Control Module calculation function is malfunctioning.
OBDII Code P1606 Infiniti - VVEL Control Module - AutoCodes.com
P1606 Infiniti Code - VVEL Control Module

What are the Possible Causes of the DTC P1606 Infiniti?

  • Faulty Variable Valve Event and Lift (VVEL) Control Module
  • VVEL Control Module harness is open or shorted
  • VVEL Control Module circuit poor electrical connection

How to Fix the DTC P1606 Infiniti?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1606 Infiniti code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1606 Infiniti code?

Need more information on how to fix the P1606 Infiniti code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P1606 Infiniti Code

1. What are common symptoms of OBDII code P1606 in an Infiniti related to the VVEL Control Module?

Symptoms may include engine misfires, rough idling, decreased fuel efficiency, and a lack of power during acceleration.

2. What can cause OBDII code P1606 to trigger in an Infiniti VVEL Control Module?

Common causes include a faulty VVEL control module, wiring issues, poor connections, or a software malfunction.

3. How can I diagnose the OBDII code P1606 in my Infiniti related to the VVEL Control Module?

Diagnosis typically involves using an OBDII scanner to retrieve the code, inspecting the VVEL control module and related wiring, and testing for proper voltage and signals.

4. Is it safe to continue driving my Infiniti with OBDII code P1606 related to the VVEL Control Module?

It is not recommended to drive the vehicle with this code present, as it can lead to further engine damage or performance issues.

5. Can I repair OBDII code P1606 in my Infiniti VVEL Control Module myself?

Depending on your skill level and access to tools, you may be able to repair the issue yourself by replacing the VVEL control module, checking and repairing wiring connections, or updating software.

6. How much does it typically cost to repair OBDII code P1606 in an Infiniti VVEL Control Module?

The cost of repairs can vary depending on the exact cause of the issue, but it may range from $200 to $600 for parts and labor.

7. Can a faulty VVEL Control Module cause other OBDII codes to trigger in an Infiniti?

Yes, a malfunctioning VVEL Control Module can cause related codes to trigger, such as P0011 or P0021 related to variable valve timing issues.

8. Are there any preventative maintenance tips to avoid OBDII code P1606 in an Infiniti VVEL Control Module?

Regularly servicing your vehicle, using high-quality fuel and oil, and addressing any engine issues promptly can help prevent the occurrence of this code.

9. How urgent is it to address OBDII code P1606 in an Infiniti VVEL Control Module?

It is important to address this code promptly to prevent further damage to the engine and ensure optimal vehicle performance.

10. Can resetting the OBDII system clear the P1606 code related to the VVEL Control Module in an Infiniti?

While resetting the system may temporarily clear the code, it is important to diagnose and address the root cause of the issue to prevent it from reoccurring.

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