AutoCodes – Toyota – C1555 2015 Toyota RAV4

C1555 2015 Toyota RAV4 Code - Power Steering Motor Relay Welding Failure

Quick Answer

The Power Steering ECU supplies current to the Power Steering Motor through this circuit. Common causes include Faulty Power Steering Motor Assembly, Power Steering Motor Assembly harness is open or shorted, Power Steering Motor Assembly 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: C1555 2015 Toyota RAV4 indicates Power Steering Motor Relay Welding Failure.
Common causes: Common causes include Faulty Power Steering Motor Assembly, Power Steering Motor Assembly harness is open or shorted, Power Steering Motor Assembly 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 253

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 03, 2023

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code C1555 2015 Toyota RAV4 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 Relay is not to factory specifications.

OBDII Code C1555 2015 Toyota RAV4 - Power Steering Motor Relay Welding Failure - AutoCodes.com — C1555 2015 Toyota RAV4 Code - Power Steering Motor Relay Welding Failure

What does this mean?

What are the Possible Causes of the DTC C1555 2015 Toyota RAV4?

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

How to Fix the DTC C1555 2015 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 does this mean?

Code Tech Notes

In some vehicles, it is necessary to replace the Power Steering ECU when there is a problem in the power relay because each relay is built into the Power Steering ECU.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1555 2015 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 C1555 2015 Toyota RAV4 code?

Need more information on how to fix the C1555 2015 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the 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 C1555 2015 Toyota RAV4 Code

1. What are the common symptoms of OBDII code C1555 in a 2015 Toyota RAV4?

The common symptoms include difficulty steering, power steering failure, and a warning light on the dashboard.

2. What causes the Power Steering Motor Relay Welding Failure in a 2015 Toyota RAV4?

The main cause is the welding failure of the power steering motor relay, which can lead to a loss of power steering assistance.

3. How serious is the issue of OBDII code C1555 in a 2015 Toyota RAV4?

The issue is serious as it affects the power steering system, making it harder to steer the vehicle safely.

4. Can I continue driving my 2015 Toyota RAV4 with OBDII code C1555?

It is not recommended to continue driving the vehicle with this code as it can compromise your ability to steer the car properly.

5. How can I diagnose the Power Steering Motor Relay Welding Failure in my 2015 Toyota RAV4?

Diagnosing the issue typically involves using an OBDII scanner to read the code and inspecting the power steering system for any visible damage.

6. What are the repair options for OBDII code C1555 in a 2015 Toyota RAV4?

Repair options may include replacing the power steering motor relay, checking and repairing any damaged wiring, and resetting the fault code.

7. Is it possible to fix OBDII code C1555 in a 2015 Toyota RAV4 at home?

While some basic troubleshooting steps can be done at home, it is recommended to have a professional mechanic diagnose and repair the issue to ensure proper and safe repairs.

8. How much does it typically cost to repair OBDII code C1555 in a 2015 Toyota RAV4?

The cost of repair can vary depending on the extent of the damage and the specific parts that need replacement, but it may range from a few hundred to over a thousand dollars.

9. Can a faulty power steering motor relay cause other problems in a 2015 Toyota RAV4?

Yes, a faulty power steering motor relay can lead to other issues such as increased steering effort, potential steering system damage, and safety concerns while driving.

10. How can I prevent Power Steering Motor Relay Welding Failure in my 2015 Toyota RAV4?

Regular maintenance checks, timely repairs of any power steering system issues, and avoiding overloading the steering system can help prevent this failure.