AutoCodes – Toyota – C1552 2016 Toyota RAV4

C1552 2016 Toyota RAV4 Code - Power Source circuit Malfunction Inside Power Steering ECU

Quick Answer

When a problem occurs in the power steering system, the power source relay circuit is shut off to stop the power assist. 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: C1552 2016 Toyota RAV4 indicates Power Source circuit Malfunction Inside Power Steering ECU.
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 195

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
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code C1552 2016 Toyota RAV4 Description

When a problem occurs in the power steering system, the power source relay circuit is shut off to stop the power assist. The Power Steering ECU monitors the Power Supply Voltage. The Power Steering ECU sets the OBDII code when the Power Supply Voltage is not to factory specifications.

OBDII Code C1552 2016 Toyota RAV4 - Power Source circuit Malfunction Inside Power Steering ECU - AutoCodes.com — C1552 2016 Toyota RAV4 Code - Power Source circuit Malfunction Inside Power Steering ECU

What does this mean?

What are the Possible Causes of the DTC C1552 2016 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 C1552 2016 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 C1552 2016 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 C1552 2016 Toyota RAV4 code?

Need more information on how to fix the C1552 2016 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 C1552 2016 Toyota RAV4 Code

1. What does the OBDII code C1552 mean for a 2016 Toyota RAV4?

Code C1552 indicates a power source circuit malfunction inside the Power Steering ECU, which can affect the electronic power steering system.

2. What are common symptoms of the C1552 code in a 2016 Toyota RAV4?

Symptoms may include a loss of power steering assist, a stiff steering wheel, and an illuminated electronic power steering (EPS) warning light on the dashboard.

3. What causes the C1552 code to appear in a 2016 Toyota RAV4?

The code can be triggered by issues such as a faulty Power Steering ECU, damaged wiring or connectors in the power source circuit, or a blown fuse.

4. Can I still drive my 2016 Toyota RAV4 with the C1552 code?

While you can drive the vehicle, steering may require significantly more effort, especially at lower speeds, which can pose a safety risk.

5. How do I diagnose the C1552 code in a 2016 Toyota RAV4?

Diagnosis involves checking the power steering ECU for faults, inspecting wiring and connectors for damage or corrosion, and testing the power source circuit for proper voltage.

6. How is the C1552 code typically fixed in a 2016 Toyota RAV4?

Repairs may include replacing the Power Steering ECU, repairing damaged wiring, cleaning corroded connectors, or replacing a blown fuse.

7. Can a weak battery cause the C1552 code in a 2016 Toyota RAV4?

Yes, a weak or failing battery can cause voltage drops that may trigger the C1552 code and affect the power steering system.

8. What tools are needed to troubleshoot the C1552 code in a 2016 Toyota RAV4?

Youâ€™ll need an OBDII scanner, a multimeter to test voltage, and possibly basic hand tools to inspect wiring and connectors.

9. How much does it cost to fix the C1552 code on a 2016 Toyota RAV4?

Repair costs vary depending on the issue, but replacing the Power Steering ECU could range from $800 to $1,500, while simpler fixes like wiring repairs may cost less.

10. Can resetting the code fix the C1552 issue in a 2016 Toyota RAV4?

Clearing the code without addressing the underlying issue is not a permanent fix, and the problem is likely to return. Proper diagnosis and repair are essential.