OBD-II Trouble Code Description for P0550 Land Rover

Power Steering Pressure Sensor/Switch Circuit

What does this mean?

OBD2 Code P0550 Land Rover definition:
Power steering pressure (PSP) sensor is installed to the power steering high-pressure tube and detects a power steering load. This sensor is a potentiometer which transforms the power steering load into output voltage, and emits the voltage signal to the ECM. The ECM controls the electric throttle control actuator and adjusts the throttle valve opening angle to increase the engine speed and adjusts the idle speed for the increased load.

Symptoms

Possible sumptoms of OBD code P0550 Land Rover
– Engine Light ON (or Service Engine Soon Warning Light) – Power steering inoperative

Causes

Possible causes of OBD code P0550 Land Rover
– Power steering pressure sensor harness or connectors – Power steering pressure sensor harness is open or shorted – Power steering pressure sensor The Error code is generally activated on detection of the following conditions: An excessively low or high voltage from the sensor is sent to ECM.

Possible Solutions