OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Powertrain generic / SAE

P0554

Power Steering Pressure Sensor Intermittent

The power steering pressure sensor signal is intermittent. The ECM cannot consistently raise idle to compensate for steering load.

SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / 54

Possible causes

  • Sensor connector loose or corroded high
  • Intermittent wiring fault medium
  • Connector with intermittent contact under vibration low

Inspection / repair

  • Difficulty: easy
  • DIY: possible
  • Estimated cost: 50–250 €
  • Estimated time: 0.3–1 h
  • Component: power steering pressure sensor
  • Component: sensor wiring
  • MIL / check engine light

Sources

References

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication