P0819 GMC Up And Down Shift Switch To Transmission Range Correlation
Possible causes
– Faulty Up And Down Shift Switch
– Up And Down Shift Switch harness is open or shorted
– Up And Down Shift Switch circuit poor electrical connection
– Up And Down Shift Switch harness is open or shorted
– Up And Down Shift Switch circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
GMC Vehicle:GMC Acadia,GMC Canyon,GMC Envoy,GMC Savana 1500,GMC Savana 2500,GMC Savana 3500,GMC Sierra 1500,GMC Sierra 2500 HD,GMC Sierra 3500 HD,GMC Terrain,GMC Yukon,GMC Yukon XL 1500,GMC Yukon XL 2500,