P0984 Buick Shift (Solenoid E) Control Circuit Range / Performance

P0985 Buick Shift Solenoid E Control Circuit Low

Possible causes
– Faulty pressure control solenoid valve ‘E’
– Pressure control solenoid valve ‘E’ harness is open or shorted
– Pressure control solenoid valve ‘E’ circuit poor electrical connection
– Faulty Engine Control Module (ECM)
– Low transmission fluid level
– Dirty transmission fluid
What about the obd code?
Engine Control Module (ECM) detectes an open or shorted condition on the solenoid circuit
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Shift shock
P0985 Buick Description

Shifting from 1st to 5th is performed in combination with