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Home >> Mercury >> 2008 >> Sable Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Powertrain DTC Charts And Descriptions (Except Diesel & Hybrid) >> DTC Diagnosis >> P0553 - Power Steering Pressure (PSP) Sensor Circuit High Input
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P0553 - Power Steering Pressure (PSP) Sensor Circuit High Input

P0553 - POWER STEERING PRESSURE (PSP) SENSOR CIRCUIT HIGH INPUT

Description:  Indicates the PSP sensor input signal was greater than the self-test maximum.
Possible Causes: 
  • PSP sensor damaged
  • VREF circuit shorted to voltage
  • PSP sensor signal circuit open
  • PSP sensor signal circuit shorted to voltage
Diagnostic Aids:  View the PSP PID to monitor the PSP input.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All   refer to PINPOINT TEST DT .
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