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Home >> Ford >> 2011 >> Fiesta SEL, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission - Automatic Shifting Manual Transmission/Transaxle) >> Description And Operation >> Transaxle Electronic Control System >> Brake Shift Interlock Actuator (BSIA)

Brake Shift Interlock Actuator (BSIA)

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When the ignition is switched to the ON or RUN position, the BSIA  is actuated by pressing the brake (signal from the BPP  switch). This retracts the blocker so that the selector lever can be moved out of PARK.