Hummer P0553 Power Steering Pressure Sensor Circuit High Input

Description

OBD-II Trouble Code Description for P0553 Hummer

Power Steering Pressure Sensor/Switch Circuit High Input

What does this mean?

OBD2 Code P0553 Hummer 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 PCM. The PCM 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 P0553 Hummer
– Engine Light ON (or Service Engine Soon Warning Light) – Power steering inoperative

Causes

Possible causes of OBD code P0553 Hummer
– 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: A low voltage from the sensor is sent to PCM.

Possible Solutions

View the PSP PID to monitor the PSP input.

The OBD2 Code Information Be Applicable For Hummer:

2009 Hummer H3T Alpha,2008 Hummer HX Concept,2008 Hummer H3 Wagon Concept,2008 Hummer H3 Alpha,2008 Hummer H2,2007 Hummer H3 Open Top,2007 Hummer H3X,2007 Hummer H3R Off Road Concept,2007 Hummer H2 Safari Concept,2006 Hummer H3,2006 Hummer H2 SUT Limited Edition,2006 Hummer H1 Alpha,2005 Hummer H3 Street,2005 Hummer H2 SUT,2004 Hummer H2 SUT Concept,2004 Hummer H2H Hydrogen Concept,2004 Hummer H2,2004 Hummer H1,2003 Hummer Humvee Military Vehicle,2003 Hummer H3T Concept,2003 Hummer H2 with GM Accessories,2003 Hummer H2 SUV,2003 Hummer H2 SUT Dirt Sport Concept,2003 Hummer H1,2003 Hummer Bike,2002 Hummer H2 SUV Concept,2002 Hummer H1 10th Anniversary Edition,2002 Hummer H1,2001 Hummer H1 Alpha Concept

 

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