AutoCodes – Nissan – P1606 Nissan

P1606 Nissan 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 Nissan 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 6,278

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Oct 24, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1606 Nissan 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 Nissan - VVEL Control Module - AutoCodes.com — P1606 Nissan Code - VVEL Control Module

What does this mean?

What are the Possible Causes of the DTC P1606 Nissan?

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 Nissan?

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 Nissan 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.

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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 Nissan Code

1. What does OBDII code P1606 for a Nissan VVEL Control Module indicate?

The P1606 code typically points to a malfunction in the Variable Valve Event and Lift (VVEL) control module of a Nissan vehicle.

2. What are some common symptoms of a P1606 VVEL Control Module code?

Common symptoms of a P1606 code may include rough idling, engine misfires, reduced engine performance, and potentially even stalling.

3. What are the possible causes of a P1606 VVEL Control Module code?

Causes of a P1606 code may include a faulty VVEL control module, wiring issues, poor electrical connections, or a software malfunction within the control module.

4. How can I diagnose a P1606 code related to the VVEL Control Module in my Nissan?

Diagnosing a P1606 code often involves using an OBDII scanner to read the code, performing a visual inspection of wiring and connections, and testing the VVEL control module for proper functionality.

5. Can a P1606 VVEL Control Module code be repaired without professional help?

While some basic troubleshooting steps can be taken, diagnosing and repairing a P1606 code related to the VVEL Control Module may require specialized tools and expertise, so seeking professional help is recommended.

6. Is it safe to continue driving with a P1606 VVEL Control Module code present?

It is not recommended to drive your Nissan with a P1606 code as it can lead to further engine damage or performance issues. It is best to address the issue promptly.

7. How much does it typically cost to repair a P1606 VVEL Control Module code?

The cost of repairing a P1606 code can vary depending on the root cause of the issue, but it may involve replacing the VVEL control module, which can range from a few hundred to over a thousand dollars.

8. Are there any preventive measures to avoid encountering a P1606 VVEL Control Module code?

Regular maintenance of your Nissan, including checking the electrical system and keeping up with software updates, can help prevent issues like the P1606 code from occurring.

9. Can a P1606 VVEL Control Module code affect fuel efficiency in my Nissan?

Yes, a P1606 code can impact fuel efficiency as it may cause the engine to run inefficiently, leading to increased fuel consumption.

10. How long does it usually take to repair a P1606 VVEL Control Module code?

The repair time for a P1606 code can vary depending on the exact cause of the issue and the availability of replacement parts. In some cases, it can be resolved within a few hours, while other situations may require more time for diagnosis and repair.