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C1606 Infiniti Code - Electric Power Steering Motor

Quick Answer

The C1606 code for Infiniti vehicles indicates a fault with the electric power steering motor. Common causes include Faulty electric power steering motor, Damaged wiring or connectors, Malfunctioning power steering control module. 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
C1606 Infiniti indicates Electric Power Steering Motor.
Common causes
Common causes include Faulty electric power steering motor, Damaged wiring or connectors, Malfunctioning power steering control module.
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 17, 2024
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Code C1606 Infiniti Description

The C1606 code for Infiniti vehicles indicates a fault with the electric power steering motor. The electric power steering system in modern vehicles replaces traditional hydraulic power steering systems with an electric motor. This motor assists in steering the vehicle, providing a smoother and more efficient steering experience. When this code is triggered, it means that the power steering motor is not functioning properly, which can lead to difficulties in steering the vehicle.

OBDII Code C1606 Infiniti - Electric Power Steering Motor
C1606 Infiniti Code - Electric Power Steering Motor

Common Causes of C1606 Infiniti

  1. Faulty electric power steering motor
  2. Damaged wiring or connectors
  3. Malfunctioning power steering control module
  4. Low power steering fluid levels
  5. Electrical issues in the power steering system

Symptoms of C1606 Infiniti

  1. Stiff or heavy steering
  2. Steering wheel vibration
  3. Steering wheel not returning to center
  4. Whining noise when turning the steering wheel
  5. Power steering warning light illuminated on the dashboard

How to Fix C1606 Infiniti

  1. Diagnose the issue using a diagnostic scanner to retrieve the fault codes and perform a visual inspection of the power steering system.
  2. Check the power steering fluid level and quality. Top up or replace the fluid if necessary.
  3. Inspect the wiring and connectors for any damage or corrosion. Repair or replace as needed.
  4. Test the electric power steering motor and control module for proper function. Replace any faulty components.
  5. Clear the fault codes and perform a test drive to ensure the issue has been resolved.

Cost to Fix C1606 Infiniti

The typical repair costs for addressing the C1606 code on an Infiniti vehicle can range from $300 to $800, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to check local rates for a more precise 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 C1606 Infiniti Code

1. What are the common symptoms of OBDII code C1606 in an Infiniti related to the Electric Power Steering Motor?

The common symptoms include difficulty steering, the steering wheel feeling heavy or stiff, and the EPS warning light illuminating on the dashboard.

2. What are the possible causes of OBDII code C1606 in an Infiniti Electric Power Steering Motor?

The code C1606 typically indicates a malfunction in the electric power steering motor, which can be caused by issues such as a faulty motor, wiring problems, or a malfunctioning power steering control module.

3. How can I diagnose the root cause of OBDII code C1606 in my Infiniti's Electric Power Steering Motor?

Diagnosing the issue may involve using a diagnostic scanner to retrieve the specific trouble codes, checking the power steering system for any visible damage or loose connections, and testing the electric power steering motor for proper functionality.

4. Is it safe to drive my Infiniti with OBDII code C1606 related to the Electric Power Steering Motor?

It is not recommended to drive the vehicle with this code present, as it can affect the steering performance and compromise your safety on the road. It's best to address the issue promptly.

5. Can I repair OBDII code C1606 in my Infiniti's Electric Power Steering Motor myself?

Repairing this code may require advanced automotive knowledge and specialized tools. It is recommended to consult a professional mechanic or dealership to accurately diagnose and repair the issue.

6. Are there any temporary fixes for OBDII code C1606 in an Infiniti Electric Power Steering Motor?

Temporary fixes such as resetting the EPS system by disconnecting the battery may sometimes clear the code temporarily, but it's essential to address the root cause to prevent the issue from recurring.

7. How much does it typically cost to repair OBDII code C1606 in an Infiniti Electric Power Steering Motor?

The cost of repair can vary depending on the specific issue causing the code, the labor rates of the repair shop, and whether any parts need to be replaced. It's best to get a professional estimate for an accurate cost.

8. Can a low battery voltage trigger OBDII code C1606 in an Infiniti's Electric Power Steering Motor?

Yes, low battery voltage or a weak electrical system can sometimes trigger this code. It's important to ensure that the vehicle's battery and charging system are in good condition to prevent such issues.

9. Will OBDII code C1606 cause my Infiniti's Electric Power Steering Motor to completely fail?

While the code indicates a problem with the electric power steering motor, it doesn't necessarily mean that the motor will completely fail. However, it's essential to address the issue promptly to prevent further damage.

10. How long does it typically take to repair OBDII code C1606 in an Infiniti Electric Power Steering Motor?

The repair time can vary depending on the exact cause of the code and the availability of parts. In some cases, the repair can be completed within a few hours, while more complex issues may take longer to diagnose and fix.

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