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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0550: Power Steering Switch Malfunction >> Detection Condition

Detection Condition

WARNING: This page is about a different car, the 2003 Mazda MPV and 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.

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.

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