P0775 Buick Pressure Control Solenoid Valve B Hydraulic System Fault
Possible causes
– Low transmission fluid level
– Dirty transmission fluid
– Faulty line pressure solenoid ‘B’ valve
– Line pressure solenoid ‘B’ valve harness is open or shorted
– Line pressure solenoid ‘B’ valve circuit poor electrical connection
– Dirty transmission fluid
– Faulty line pressure solenoid ‘B’ valve
– Line pressure solenoid ‘B’ valve harness is open or shorted
– Line pressure solenoid ‘B’ valve circuit poor electrical connection
What about the obd code?
The P0775 Buick is detected when TCM detects an improper voltage drop when it tries to operate the solenoid valve.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Transmission shift shock
– Transmission shift shock
P0775 Buick Description
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).
Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera