P0553 DTC Code: A Comprehensive Guide


When it comes to diagnosing and troubleshooting vehicle issues, understanding Diagnostic Trouble Codes (DTCs) is crucial. In this comprehensive guide, we will delve into the intricacies of the P0553 DTC code. We’ll discuss what it means, its potential causes, symptoms, and possible solutions. So, buckle up and let’s get started!

Understanding the P0553 DTC Code

The P0553 DTC code refers to a fault related to the power steering pressure sensor circuit. In simpler terms, something is amiss with the signal being sent by the power steering pressure sensor. This sensor is an integral part of the power steering system, and it helps ensure smooth and controlled steering.

Symptoms of a P0553 DTC Code

When the power steering pressure sensor circuit malfunctions and triggers the P0553 DTC code, you may experience several symptoms, including:

  1. Loss of Power Steering Assistance: One of the primary symptoms of a P0553 DTC code is a sudden loss of power steering assistance. This can make the steering wheel feel heavy and difficult to turn, posing potential safety hazards.
  2. Illuminated Check Engine Light: When a DTC code is detected, your vehicle’s onboard diagnostic system will usually illuminate the check engine light on your dashboard to alert you to a problem. In the case of a P0553 DTC code, this warning light will likely be triggered.
  3. Fluid Leaks or Unusual Noises: In some instances, you may notice power steering fluid leaks or hear unusual groaning, squeaking, or whining noises when attempting to steer your vehicle.

Potential Causes of a P0553 DTC Code

To effectively diagnose and resolve the P0553 DTC code, it is crucial to identify its root causes. Here are some potential causes that may trigger this code:

1. Faulty Power Steering Pressure Sensor

The power steering pressure sensor itself may be faulty, causing inaccurate or no signal to be sent to the vehicle’s control module. This can lead to the triggering of the P0553 DTC code.

2. Damaged Wiring or Connectors

Wiring or connectors associated with the power steering pressure sensor circuit may be damaged or disconnected. This can disrupt the signal transmission and result in the code being triggered.

3. Low Power Steering Fluid Level

Insufficient power steering fluid can cause the power steering pressure sensor to malfunction, triggering the P0553 DTC code.

Resolving the P0553 DTC Code

Now that we understand the symptoms and potential causes of the P0553 DTC code, let’s explore some possible solutions:

1. Sensor Replacement

In cases where the power steering pressure sensor is faulty, replacing the sensor with a new, OEM (Original Equipment Manufacturer) sensor should resolve the issue. It is essential to ensure that the replacement sensor meets the specifications recommended by the vehicle manufacturer.

2. Repairing Wiring or Connectors

If the issue lies with damaged or disconnected wiring or connectors, repairing or replacing them should restore proper function to the power steering pressure sensor circuit.

3. Power Steering Fluid Levels

It is crucial to check the power steering fluid levels and top them up if necessary. If the fluid level was significantly low, you may need to identify and rectify any leaks or address any other issues leading to fluid loss.

Frequently Asked Questions (FAQs)

  1. Q: Can I continue driving my vehicle with a P0553 DTC code? A: It is not recommended to continue driving with a P0553 DTC code. The loss of power steering assistance can make it difficult to control the vehicle, especially at higher speeds.

  2. Q: How can I reset the P0553 DTC code? A: To reset the code, you can disconnect the vehicle’s battery for a few minutes, which will clear the DTC codes from the system. However, keep in mind that this will also reset other settings and may require recalibration.

  3. Q: Can a P0553 DTC code occur intermittently? A: Yes, it is possible for a P0553 DTC code to occur intermittently. It is advisable to address the issue promptly to prevent potential safety hazards and further damage to the power steering system.


The P0553 DTC code is an indicator of a problem with the power steering pressure sensor circuit. By understanding the symptoms, potential causes, and possible solutions outlined in this comprehensive guide, you are equipped to tackle this issue effectively. Remember to prioritize your safety and consult a professional if you’re uncertain or uncomfortable performing the repairs yourself. Keep your vehicle in optimal condition for a smooth and safe driving experience!

About author


Meet Sam Mitchell, your experienced and reliable guide in the complex world of car fault codes. With a robust career spanning over 15 years as a professional car mechanic, John has the skills, knowledge, and practical experience to help you navigate car fault issues with confidence.


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