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Home >> Mercury >> 2009 >> Sable Premier, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1255 (Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid)) >> DTC Diagnosis >> DTC P1550: - Power Steering Pressure (PSP) Sensor Out Of Self-Test Range

DTC P1550: - Power Steering Pressure (PSP) Sensor Out Of Self-Test Range

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DTC P1550: - POWER STEERING PRESSURE (PSP) SENSOR OUT OF SELF-TEST RANGE

Description:  The PSP sensor input signal to the powertrain control module (PCM) is continuously monitored. The test fails when the signal falls out of a maximum or minimum calibrated range.
Possible Causes: 
  • Steering wheel not turned during self-test.
  • PSP sensor or circuit damaged
  • Power steering concern
Diagnostic Aids:  The DTC indicates the PSP sensor is out of self-test range.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
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