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Home >> Infiniti >> 2013 >> M56 Sport >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0190 To P1084 >> DTC P0550: PSP Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P0550 PW ST P SEN/CIRC (Power steering pressure sensor circuit) An excessively low or high voltage from the sensor is sent to ECM.
  • Harness or connectors (Power steering pressure sensor circuit is open or shorted.)

    (EOP sensor circuit is open or shorted.)

    (Low fuel pressure sensor circuit is open or shorted.)

    (FRP sensor circuit is open or shorted.)

  • Power steering pressure sensor
  • EOP sensor
  • Low fuel pressure sensor
  • FRP sensor