AutoCodes – Toyota – C1581 2013 Toyota RAV4

C1581 2013 Toyota RAV4 Code - Assist Map Number Un-Writing

Quick Answer

The Power Steering ECU assembly outputs this Diagnostic Trouble Code (DTC) when it determines that the assist map is not written in the ECU. Common causes include Faulty Power Steering ECU, Power Steering ECU harness is open or shorted, Power Steering ECU 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: C1581 2013 Toyota RAV4 indicates Assist Map Number Un-Writing.
Common causes: Common causes include Faulty Power Steering ECU, Power Steering ECU harness is open or shorted, Power Steering ECU 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 265

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 Feb 26, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1581 2013 Toyota RAV4 Description

The Power Steering ECU assembly outputs this Diagnostic Trouble Code (DTC) when it determines that the assist map is not written in the ECU. Replacing the Power Steering ECU assembly when this code is output is necessary because this malfunction cannot be repaired.

OBDII Code C1581 2013 Toyota RAV4 - Assist Map Number Un-Writing - AutoCodes.com — C1581 2013 Toyota RAV4 Code - Assist Map Number Un-Writing

What does this mean?

What are the Possible Causes of the DTC C1581 2013 Toyota RAV4?

Faulty Power Steering ECU
Power Steering ECU harness is open or shorted
Power Steering ECU circuit poor electrical connection

How to Fix the DTC C1581 2013 Toyota RAV4?

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 C1581 2013 Toyota RAV4 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 C1581 2013 Toyota RAV4 code?

Need more information on how to fix the C1581 2013 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1581 2013 Toyota RAV4 code diagnosed by a professional: Find a repair shop in your area

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 C1581 2013 Toyota RAV4 Code

1. What does OBDII code C1581 on a 2013 Toyota RAV4 mean?

The code C1581 on a 2013 Toyota RAV4 refers to the Assist Map Number Un-Writing issue related to the vehicle's power steering system.

2. What are the common symptoms of OBDII code C1581 in a 2013 Toyota RAV4?

Common symptoms of code C1581 in a 2013 Toyota RAV4 may include stiff or heavy steering, power steering failure, and illuminated warning lights on the dashboard.

3. What are the possible causes of OBDII code C1581 in a 2013 Toyota RAV4?

Potential causes of code C1581 in a 2013 Toyota RAV4 include a malfunctioning power steering control module, wiring issues, or a faulty power steering motor.

4. How can I diagnose the OBDII code C1581 in my 2013 Toyota RAV4?

Diagnosing code C1581 in a 2013 Toyota RAV4 typically involves using an OBDII scanner to retrieve the specific fault code, inspecting the power steering system components for any visible damage, and testing the power steering control module.

5. Can I still drive my 2013 Toyota RAV4 with OBDII code C1581?

It is not recommended to drive your 2013 Toyota RAV4 with code C1581 as it may lead to complete power steering failure, making the vehicle unsafe to drive.

6. How can I repair OBDII code C1581 in my 2013 Toyota RAV4?

Repairing code C1581 in a 2013 Toyota RAV4 may involve replacing the power steering control module, repairing any damaged wiring, or replacing the power steering motor, depending on the underlying cause.

7. Is it necessary to reset the OBDII code C1581 after repairing it in a 2013 Toyota RAV4?

Yes, it is important to clear the OBDII code C1581 after repairing the issue in a 2013 Toyota RAV4 to reset the vehicle's system and ensure the problem has been resolved.

8. Can a DIY enthusiast fix OBDII code C1581 in a 2013 Toyota RAV4?

While some aspects of diagnosing and repairing code C1581 may be possible for experienced DIY enthusiasts, it is recommended to seek professional help for accurate diagnosis and repair to ensure safety and proper functioning of the power steering system.

9. How much does it cost to repair OBDII code C1581 in a 2013 Toyota RAV4?

The cost to repair code C1581 in a 2013 Toyota RAV4 can vary depending on the root cause of the issue, parts needed for replacement, and labor costs. It's best to consult a mechanic for an accurate estimate.

10. Are there any recalls or technical service bulletins related to OBDII code C1581 in a 2013 Toyota RAV4?

Owners of a 2013 Toyota RAV4 experiencing code C1581 issues should check with Toyota or authorized dealerships for any relevant recalls or technical service bulletins that may address this specific problem.