AutoCodes – Infiniti – C1606 Infiniti

C1606 Infiniti Code - Electric Power Steering Motor

Quick Answer

The Electric Power Steering (EPS) motor provides the assist torque by control signal from EPS Control Unit. Common causes include Faulty Electric Power Steering Angle Sensor, Electric Power Steering Angle Sensor harness is open or shorted, Electric Power Steering Angle Sensor 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
C1606 Infiniti indicates Electric Power Steering Motor.
Common causes
Common causes include Faulty Electric Power Steering Angle Sensor, Electric Power Steering Angle Sensor harness is open or shorted, Electric Power Steering Angle Sensor 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 1,837
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 11, 2020
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Code C1606 Infiniti Description

The Electric Power Steering (EPS) motor provides the assist torque by control signal from EPS Control Unit. The EPS Control sets the OBDII code when the motor driver malfunction in EPS Control Unit or EPS Motor malfunction is detected.
OBDII Code C1606 Infiniti - Electric Power Steering Motor - AutoCodes.com
C1606 Infiniti Code - Electric Power Steering Motor

What are the Possible Causes of the DTC C1606 Infiniti?

  • Faulty Electric Power Steering Angle Sensor
  • Electric Power Steering Angle Sensor harness is open or shorted
  • Electric Power Steering Angle Sensor circuit poor electrical connection
  • Faulty Electric Power Steering Motor
  • Faulty Electric Power Steering Torque Sensor Control Unit

How to Fix the DTC C1606 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 C1606 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 C1606 Infiniti 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 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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