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Home >> Nissan-Datsun >> 2007 >> X-Trail SE, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0455 To P1147 >> DTC P0550 PSP Sensor >> On Board Diagnosis Logic

On Board Diagnosis Logic

The MIL will not light up for this diagnosis. 

NOTE: If DTC P0550 is displayed with DTC P1229, first perform the trouble diagnosis for DTC P1229. Refer to DTC P1229 SENSOR POWER SUPPLY .
DTC DETECTING CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0550
0550		 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
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