AutoCodes – Lexus – C1523 Lexus

C1523 Lexus Code - Power Steering Motor Circuit Malfunction

Quick Answer

The Power Steering ECU supplies current to the Power Steering Motor through this circuit. Common causes include Faulty Power Steering Gear Assembly with Motor, Power Steering Gear Assembly with Motor harness is open or shorted, Power Steering Gear Assembly with Motor 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
C1523 Lexus indicates Power Steering Motor Circuit Malfunction.
Common causes
Common causes include Faulty Power Steering Gear Assembly with Motor, Power Steering Gear Assembly with Motor harness is open or shorted, Power Steering Gear Assembly with Motor 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 5,442
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Oct 17, 2020
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Code C1523 Lexus Description

The Power Steering ECU supplies current to the Power Steering Motor through this circuit. The Power Steering ECU monitors the Power Steering Motor. The Power Steering ECU sets the OBDII code when the Power Steering Motor is not to factory specifications.
OBDII Code C1523 Lexus - Power Steering Motor Circuit Malfunction - AutoCodes.com
C1523 Lexus Code - Power Steering Motor Circuit Malfunction

What are the Possible Causes of the DTC C1523 Lexus?

  • Faulty Power Steering Gear Assembly with Motor
  • Power Steering Gear Assembly with Motor harness is open or shorted
  • Power Steering Gear Assembly with Motor circuit poor electrical connection
  • Faulty Power Steering ECU

How to Fix the DTC C1523 Lexus?

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 C1523 Lexus 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 C1523 Lexus 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 C1523 Lexus Code

1. What are common symptoms of OBDII code C1523 in a Lexus related to power steering motor circuit malfunction?

- Common symptoms include stiff or heavy steering, loss of power steering assistance, and illuminated warning lights on the dashboard.

2. What are possible causes of the OBDII code C1523 in a Lexus indicating a power steering motor circuit malfunction?

- Potential causes include damaged wiring or connectors, a faulty power steering control module, issues with the power steering motor itself, or a low voltage condition in the system.

3. How can I diagnose the OBDII code C1523 in a Lexus for a power steering motor circuit malfunction?

- Diagnosis typically involves checking the power steering system for damaged wiring, loose connections, testing the power steering control module, and inspecting the power steering motor for proper function.

4. Can driving with the OBDII code C1523 in a Lexus indicating a power steering motor circuit malfunction be dangerous?

- Yes, driving with this code active can be dangerous as it may result in unexpected loss of power steering assistance, making steering more difficult and potentially affecting vehicle control.

5. Are there any DIY repair tips for fixing the OBDII code C1523 in a Lexus related to power steering motor circuit malfunction?

- DIY repair tips may include checking and securing wiring connections, inspecting for damaged wires, testing the power steering control module, and ensuring the power steering motor is functioning correctly.

6. Will resetting the OBDII code C1523 in a Lexus resolve the power steering motor circuit malfunction issue?

- Resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the power steering motor circuit malfunction. Proper diagnosis and repair are necessary.

7. Is it safe to continue driving my Lexus with the OBDII code C1523 indicating a power steering motor circuit malfunction?

- It is not recommended to drive the vehicle with this code active, as it can lead to compromised steering performance and potentially unsafe driving conditions.

8. How much does it typically cost to repair the OBDII code C1523 in a Lexus related to power steering motor circuit malfunction?

- Repair costs can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

9. Can weather conditions or road conditions trigger the OBDII code C1523 in a Lexus for a power steering motor circuit malfunction?

- While extreme weather or road conditions may not directly trigger this code, they can exacerbate existing issues within the power steering system and lead to the activation of the code.

10. Is it necessary to visit a dealership for repairs when experiencing the OBDII code C1523 in a Lexus for a power steering motor circuit malfunction?

- While a dealership may have specialized knowledge and tools for Lexus vehicles, independent auto repair shops with experience in diagnosing and repairing power steering systems can also effectively address the issue.

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