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P0553 Lexus Code - Power Steering Pressure Sensor Circuit High Input

Quick Answer

The P0553 diagnostic trouble code for Lexus vehicles indicates a problem with the power steering pressure sensor circuit having a high input. Common causes include Faulty power steering pressure sensor, Wiring or connection issues in the power steering pressure sensor circuit, Low power steering fluid levels. 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 Lexus indicates Power Steering Pressure Sensor Circuit High Input.
Common causes
Common causes include Faulty power steering pressure sensor, Wiring or connection issues in the power steering pressure sensor circuit, Low power steering fluid levels.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0553 Lexus Description

The P0553 diagnostic trouble code for Lexus vehicles indicates a problem with the power steering pressure sensor circuit having a high input. In modern vehicles, power steering systems rely on sensors to monitor various parameters and ensure optimal performance. The power steering pressure sensor is responsible for measuring the hydraulic pressure in the power steering system and relaying this information to the engine control module (ECM). When the sensor detects a high input signal that is outside the expected range, it triggers the P0553 code.

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

Common Causes of P0553 Lexus

  1. Faulty power steering pressure sensor
  2. Wiring or connection issues in the power steering pressure sensor circuit
  3. Low power steering fluid levels
  4. Contaminated power steering fluid
  5. Issues with the power steering pump or hydraulic system

Symptoms of P0553 Lexus

  1. Stiff or difficult steering, especially at low speeds
  2. Whining or groaning noises when turning the steering wheel
  3. Power steering fluid leaks
  4. Power steering warning light illuminated on the dashboard
  5. Vehicle drifting or pulling to one side while driving

How to Fix P0553 Lexus

  1. Diagnose the issue by connecting a diagnostic scanner to retrieve the trouble codes and perform a visual inspection of the power steering pressure sensor and related components.
  2. Check the power steering fluid level and quality, topping up or flushing the system if necessary.
  3. Inspect the wiring and connections in the power steering pressure sensor circuit, repairing or replacing any damaged components.
  4. Test the power steering pressure sensor for proper operation using a multimeter and replace it if it is faulty.
  5. Clear the trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0553 Lexus

The cost of repairing a P0553 code on a Lexus vehicle can vary depending on the specific cause of the issue and the labor rates in your area. On average, the parts needed for this repair, such as a new power steering pressure sensor, can range from $100 to $300. Additionally, labor costs at an auto repair shop can range from $200 to $500, depending on the complexity of the repair and the shop's hourly rate. Therefore, the total cost of addressing a P0553 code could range from $300 to $800 or more. It's recommended to obtain quotes from local auto repair shops to get a more precise estimate for your particular situation.

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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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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