AutoCodes – Scion – C1552 Scion

C1552 Scion 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 Scion 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 959

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 Scion 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 Scion - Power Source circuit Malfunction Inside Power Steering ECU - AutoCodes.com — C1552 Scion Code - Power Source circuit Malfunction Inside Power Steering ECU

What does this mean?

What are the Possible Causes of the DTC C1552 Scion?

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 Scion?

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 Scion 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.

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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 Scion Code

1. What are common symptoms of OBDII code C1552 (Power Source circuit Malfunction Inside Power Steering ECU)?

- Common symptoms include loss of power steering assistance, illuminated power steering warning light on the dashboard, and difficulty steering the vehicle.

2. What are the possible causes of OBDII code C1552 in a Scion?

- The possible causes can include a faulty power steering ECU, damaged wiring or connectors in the power steering system, or a weak battery affecting the power source to the ECU.

3. How can I diagnose the Power Source circuit Malfunction Inside Power Steering ECU in my Scion?

- Diagnosing this issue typically involves checking the power steering system's wiring and connectors for any visible damage, testing the battery's voltage, and using a diagnostic tool to retrieve the specific error codes stored in the ECU.

4. Can a DIY enthusiast repair the Power Source circuit Malfunction associated with OBDII code C1552?

- While some basic troubleshooting steps can be taken by DIY enthusiasts, diagnosing and repairing the exact cause of the Power Source circuit Malfunction inside the Power Steering ECU may require specialized tools and expertise best handled by a professional mechanic.

5. Are there any quick tips to address the Power Source circuit Malfunction Inside Power Steering ECU issue?

- Quick tips include checking the power steering fluid level, inspecting the power steering system's fuses, and ensuring the battery terminals are clean and securely connected.

6. How critical is it to address OBDII code C1552 in a Scion?

- It is essential to address this code promptly as it affects the power steering system, which is crucial for safe vehicle operation. Ignoring the issue can lead to increased difficulty in steering and potential safety hazards.

7. Is it safe to drive my Scion with the Power Source circuit Malfunction Inside Power Steering ECU issue?

- It is not recommended to drive the vehicle with this issue as it can compromise the functionality of the power steering system, making it challenging to steer the vehicle safely.

8. How much does it typically cost to repair OBDII code C1552 in a Scion?

- The cost of repair can vary depending on the exact cause of the issue. It is advisable to consult with a professional mechanic to get an accurate estimate based on diagnostics.

9. Can resetting the ECU clear the Power Source circuit Malfunction error code in a Scion?

- Resetting the ECU may temporarily clear the error code, but if the underlying issue causing the Power Source circuit Malfunction is not addressed, the code is likely to reappear.

10. How long does it take to repair the Power Source circuit Malfunction Inside Power Steering ECU issue in a Scion?

- The repair time can vary based on the complexity of the problem and the availability of parts. It is best to consult with a mechanic to get an estimate of the repair duration.