P0759 Code: Meaning, Causes, and Symptoms | OBD2 Codes

P0759 – Shift Solenoid ‘B’ Intermittent

 

P0759 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light),Transmission will not shift gears

 

P0759 Possible Causes

 

Low transmission fluid level,Dirty transmission fluid,Faulty shift solenoid ‘B’ valve,Shift solenoid ‘B’ valve harness or connectors,Shift solenoid ‘B’ valve circuit is open or shorted

 

P0759 Description

 

Shift solenoid valve ‘B’ is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Gears will then be shifted to the optimum position.