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P0554 Powertrain

Power Steering Pressure Sensor Intermittent

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

Affected components

  • Power steering pressure sensor
  • Sensor wiring

Common causes

  • High likelihood: Sensor connector loose or corroded
  • Medium likelihood: Intermittent wiring fault
  • Low likelihood: Connector with intermittent contact under vibration

Diagnostic notes

  • The malfunction indicator lamp may illuminate

Related codes

Sources

Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.

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