Hummer P0750 Shift Solenoid A Malfunction

Description

OBD-II Trouble Code Description for P0750 Hummer

Shift Solenoid “A”

What does this mean?

OBD2 Code P0750 Hummer definition:
Shift solenoid valve A is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Gears will then be shifted to the optimum position.

Symptoms

Possible sumptoms of OBD code P0750 Hummer
– Engine Light ON (or Service Engine Soon Warning Light) – Transmission will not shift gears.

Causes

Possible causes of OBD code P0750 Hummer
– Low transmission fluid level – Dirty transmission fluid – Faulty shift solenoid A valve – Shift solenoid A valve harness or connectors – Shift solenoid A valve circuit is open or shorted The Error code is generally activated on detection of the following conditions: The P0750 Hummer code is detected when TCM detects an improper voltage drop when it tries to operate the solenoid valve.

Possible Solutions

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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