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Home >> Mazda >> 2003 >> Protege5 Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0550: Power Steering Pressure Switch Circuit Malfunction >> Detection Condition

Detection Condition

DTC is set when vehicle speed is more than 37.4 MPH, coolant temperature is 140°F (60°C) or more and PCM receives a low Power Steering Pressure (PSP) switch signal continuously for one minute. This is a Continuous Monitor (CM). MIL illuminates if PCM detects malfunction condition in 2 consecutive drive cycles. Pending code is available if PCM detects malfunction condition during first drive cycle. Freeze Frame Data is available and DTC is stored in PCM memory.

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