P1782 GMC 2/4-OD Pressure Switch Circuit
Possible causes
– Low transmission fluid level
– Dirty transmission fluid
– Faulty 2/4-OD Pressure Switch
– 2/4-OD Pressure switch poor electrical connection
– 2/4-OD Pressure switch circuit is open or shorted
– Dirty transmission fluid
– Faulty 2/4-OD Pressure Switch
– 2/4-OD Pressure switch poor electrical connection
– 2/4-OD Pressure switch circuit is open or shorted
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Transmission shift shock
– Transmission shift shock
P1782 GMC Description
The pressure 2/4-OD Pressure Switch is part of the pressure switch of the transmission. The pressure switch are located in the solenoid assembly. The switch provide input information to the Transmission Control Module (TCM). The switch will inform to the TCM is pressure exist in a specified hydraulic circuit. the TCM uses this information to verified that the solenoids are working or not.
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,