FixVault

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 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