OBD Codes List

Diagnostic reference · P0554

P0554

Power Steering Pressure Sensor/Switch Circuit Intermittent

System
Speed and idle control (P code)
Lamp
Check Engine Light
Category
Powertrain - Computer and Auxiliary Controls

What it means

P0554 means Power Steering Pressure Sensor/Switch Circuit Intermittent.

Where it lives

For P0554, the circuit described runs through the sensor. The description of P0554 reports a fault at the sensor.

Check these first

  • A failing power steering pressure sensor
  • A chafed wire making intermittent contact
  • Water in the sensor connector
  • A low power steering fluid level
  • A failing power steering pump

What to do next

  1. Watch pressure data while moving the harness
  2. Inspect the connector for water or corrosion
  3. Check the fluid level and condition
  4. Test the pump for weak output
  5. Replace the sensor if the signal cuts out
  6. Clear the code and retest

Look up another code

Enter a full code or a symptom. Press / to search. How to read a code

Type a code above, or start from a symptom or a common code.

Updated

Generic SAE J2012 definition. Last updated 2026-10-10.