DTC P0551: Power Steering Pressure Sensor Switch Circuit Range Performance: DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSES

Item	Detecting Condition	Possible Cause
DTC Strategy	Signal of power steering pressure switch is monitored	Poor connection Faulty power steering switch Open or short in power steering switch Faulty ECM
Enable Conditions	Engine speed > 2000 rpm Load value > 55% Engine coolant > 20°C (68°F) Vehicle speed is greater than or equal to 1.55 mph (2.5 km/h)
Threshold value	Power steering pressure switch signal "ON" (time that above condition is fulfilled)
Diagnosis Time	Continuous
MIL On Condition	2 driving cycles