AutoCodes – Toyota – C1551 2013 Toyota RAV4

C1551 2013 Toyota RAV4 Code - Power Supply Voltage Malfunction

Quick Answer

The Power Steering ECU monitors itself for proper operation. Common causes include Power Steering ECU Fuse, Faulty Power Steering ECU, Power Steering ECU harness is open or shorted. 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: C1551 2013 Toyota RAV4 indicates Power Supply Voltage Malfunction.
Common causes: Common causes include Power Steering ECU Fuse, Faulty Power Steering ECU, Power Steering ECU harness is open or shorted.
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 420

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 22, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1551 2013 Toyota RAV4 Description

The Power Steering ECU monitors itself for proper operation. The Power Steering ECU sets the OBDII code when it detects an internal malfunction. The Power Steering ECU distinguishes the ignition switch status as ON or OFF through the IG power source circuit. The Diagnostic Trouble Code (DTC) will be set when an IG power source circuit malfunctions inside ECU.

OBDII Code C1551 2013 Toyota RAV4 - Power Supply Voltage Malfunction - AutoCodes.com — C1551 2013 Toyota RAV4 Code - Power Supply Voltage Malfunction

What does this mean?

What are the Possible Causes of the DTC C1551 2013 Toyota RAV4?

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

How to Fix the DTC C1551 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 C1551 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 C1551 2013 Toyota RAV4 code?

Need more information on how to fix the C1551 2013 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1551 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 C1551 2013 Toyota RAV4 Code

1. What are the common symptoms of OBDII code C1551 in a 2013 Toyota RAV4?

- Common symptoms include illuminated dashboard warning lights, loss of power steering, and difficulty starting the vehicle.

2. What causes the Power Supply Voltage Malfunction (C1551) in a 2013 Toyota RAV4?

- The code C1551 is often triggered by issues with the power supply circuit, such as a faulty battery, alternator, wiring, or connectors.

3. How can I diagnose the Power Supply Voltage Malfunction in my 2013 Toyota RAV4?

- To diagnose C1551, a thorough inspection of the battery, alternator, wiring connections, and voltage levels with a multimeter is recommended.

4. Can a low battery voltage trigger the C1551 code in a 2013 Toyota RAV4?

- Yes, a low battery voltage can trigger the C1551 code as it affects the power supply to various components in the vehicle.

5. What should I do if my 2013 Toyota RAV4 displays the C1551 code intermittently?

- If the code appears intermittently, it is advisable to have the vehicle inspected by a professional to determine the exact cause of the power supply voltage malfunction.

6. Is it safe to continue driving my 2013 Toyota RAV4 with the C1551 code illuminated?

- It is not recommended to drive the vehicle with the C1551 code illuminated, as it may indicate underlying electrical issues that could affect the vehicle's performance and safety.

7. Can a DIY enthusiast repair the Power Supply Voltage Malfunction (C1551) in a 2013 Toyota RAV4?

- While basic checks like inspecting wiring connections can be done by a DIY enthusiast, diagnosing and repairing complex issues related to the C1551 code may require professional expertise.

8. How much does it typically cost to repair the C1551 code in a 2013 Toyota RAV4?

- The cost of repairing the C1551 code in a 2013 Toyota RAV4 can vary depending on the root cause of the issue, but it may range from a few hundred to a thousand dollars.

9. Will resetting the OBDII system clear the C1551 code in a 2013 Toyota RAV4?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the Power Supply Voltage Malfunction is not fixed, the code is likely to reappear.

10. How important is it to address the C1551 code promptly in a 2013 Toyota RAV4?

- It is crucial to address the C1551 code promptly to prevent further damage to the vehicle's electrical system and ensure safe and reliable operation of the vehicle.