Transmission Park Position Sensor/Switch
In the Previous SBC (Shift By Cable) method, TGS lever and the automatic transmission is connected by shift cable. then Driver's P/R/N/D shift will is delivered mechanically linked.
For this function, park release actuator and park position valve operation solenoid is added, the vehicle is always parked when the power is OFF.
SBW (Shift By Wire) system shift by the electronic transmission PRND (SOL valve) instead of cables.