P0768 Code: Meaning, Causes, and Symptoms | OBD2 Codes
P0768 – Shift Solenoid ‘D’ Electrical
P0768 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light),Transmission will not shift gears
P0768 Possible Causes
Low transmission fluid level,Dirty transmission fluid,Faulty shift solenoid ‘D’ valve,Shift solenoid ‘D’ valve harness or connectors,Shift solenoid ‘D’ valve circuit is open or shorted
Shift solenoid valve ‘D’ 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.