Engine-CodesScion – P0553 Scion

P0553 Scion Code - Power Steering Pressure Sensor Circuit High Input

Quick Answer

The P0553 diagnostic trouble code for Scion vehicles indicates a problem with the power steering pressure sensor circuit, specifically a high input signal. Common causes include Faulty power steering pressure sensor, Damaged wiring or connectors in the sensor circuit, ECM malfunction. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P0553 Scion indicates Power Steering Pressure Sensor Circuit High Input.
Common causes
Common causes include Faulty power steering pressure sensor, Damaged wiring or connectors in the sensor circuit, ECM malfunction.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P0553 Scion Description

The P0553 diagnostic trouble code for Scion vehicles indicates a problem with the power steering pressure sensor circuit, specifically a high input signal. This sensor is responsible for monitoring the pressure in the power steering system and sending that information to the vehicle's engine control module (ECM). When the ECM detects a high input signal from the sensor, it means that the pressure reading is outside of the expected range, which can lead to various issues with the power steering system.

OBDII Code P0553 Scion - Power Steering Pressure Sensor Circuit High Input
P0553 Scion Code - Power Steering Pressure Sensor Circuit High Input

Common Causes of P0553 Scion

  1. Faulty power steering pressure sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. ECM malfunction
  4. Low power steering fluid levels
  5. Contaminated power steering fluid

Symptoms of P0553 Scion

  1. Stiff or heavy steering, especially at low speeds
  2. Unusual or excessive noise when turning the steering wheel
  3. Power steering fluid leaks
  4. Illuminated power steering warning light on the dashboard
  5. Loss of power steering assistance

How to Fix P0553 Scion

  1. Begin by diagnosing the power steering pressure sensor circuit using a scan tool to confirm the P0553 code and verify the high input signal.
  2. Inspect the wiring and connectors in the sensor circuit for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the power steering pressure sensor using a multimeter to check for proper voltage and resistance readings. Replace the sensor if it fails the test.
  4. Clear the fault code from the ECM memory and reset the system to see if the issue persists.
  5. Finally, perform a road test to verify that the power steering system is functioning correctly and that the code does not return.

Cost to Fix P0553 Scion

The typical repair costs for addressing a P0553 code on a Scion vehicle can range from $150 to $400, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check local rates for a more precise estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.

When is the Code Detected?

A low voltage from the Power Steering Pressure Sensor is sent to Engine Control Module (ECM).

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Information for Specific Scion Models

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.

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