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

DTC is set, when PCM receives Power Steering Pressure (PSP) switch low voltage input for more than 60 seconds while vehicle is operating at more than 37 MPH and ECT is more than 140°F (60°C). This is a continuous monitor. MIL is illuminated if PCM detects malfunction in 2 consecutive drive cycles.