P0553 Fault Code

Power Steering Pressure Sensor Circuit High Input

• What does that mean?
• Symptoms
• Causes
• Solutions

The P0553 code is triggered when the Power Steering Pressure Sensor Circuit detects a high input voltage that exceeds the expected range. This sensor plays a crucial role in assessing the steering system's pressure, which allows the vehicle's computer to adjust the power steering assist accordingly. When the sensor malfunctions or sends incorrect readings, it can lead to steering issues that may affect driving safety.

What are the symptoms of the P0553 code?

Drivers experiencing a P0553 code may notice the following symptoms:

• Increased steering effort, especially at low speeds
• Steering wheel feels heavy or unresponsive
• Warning lights illuminated on the dashboard
• Unusual noises coming from the power steering pump or related components
• Power steering fluid leaks evident in the area around the pump or hoses

What causes the P0553 code?

Common causes of a P0553 code include:

• Faulty power steering pressure sensor
• Wiring issues such as frayed, corroded, or shorted wires in the sensor circuit
• Poor electrical connections that may lead to intermittent faults
• A malfunctioning power steering pump that produces excessive hydraulic pressure
• Failed or damaged power steering control module

How to fix P0553?

To resolve a P0553 code, it's essential to take the following steps:

• Inspect the power steering pressure sensor and its circuit for any obvious signs of damage or wear.
• Test the sensor output with a multimeter to ensure it falls within the specified range.
• Check all related wiring and connectors, repairing or replacing any that are faulty.
• Determine if the power steering pump is functioning correctly, replacing it if necessary.
• Clear the trouble codes and conduct a test drive to ensure that the issue has been resolved.