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Home >> Infiniti >> 2008 >> EX35 Base, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P0451 To P1212 >> P0550 PSP Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE: If DTC P0550 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to "DTC LOGIC ".
DTC DETECTING CONDITION AND POSSIBLE CAUSE REFERENCE

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