Description
OBD-II Trouble Code Description for P0778 GMC
Pressure Control Solenoid “B” Electrical
What does this mean?
OBD2 Code P0778 GM definition:
The line pressure solenoid valve regulates the oil pump discharge pressure to suit the driving condition in response to a signal sent from the Transmission Control Module (TCM).
Symptoms
Possible sumptoms of OBD code P0778 GM
– Engine Light ON (or Service Engine Soon Warning Light) – Transmission shift shock
Causes
Possible causes of OBD code P0778 GM
– Faulty line pressure solenoid valve B – Line pressure solenoid valve B harness or connectors – Line pressure solenoid valve B circuit is open or shorted – Low transmission fluid level – Dirty transmission fluid The Error code is generally activated on detection of the following conditions: Engine Control Module (ECM) detectes an open or shorted condition on the solenoid circuit
Possible Solutions
The OBD2 Code Information Be Applicable For GMC:
2013 GMC Terrain Denali,2013 GMC Acadia,2011 GMC Sierra All Terrain HD Concept,2010 GMC Terrain,2010 GMC Granite Concept,2009 GMC Sierra Hybrid Crew Cab,2008 GMC Yukon Hybrid,2008 GMC Denali XT Concept,2007 GMC Yukon XL,2007 GMC Yukon Denali,2007 GMC Yukon,2007 GMC Sierra Denali,2007 GMC Sierra Classic,2007 GMC Sierra 3500 HD SLT Crew Cab,2007 GMC Sierra 2500 HD SLT Extended Cab,2007 GMC Sierra,2007 GMC Acadia,2005 GMC Sierra Denali 1500 Crew Cab,2005 GMC Graphyte Concept,2005 GMC Envoy XL Denali,2005 GMC Envoy Denali
Note:
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