Pinpoint Tests: Notes

Diagnostic Overview 

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Refer to SHIFT INTERLOCK for schematic and connector information.

Brake Shift Interlock Actuator (BSIA) 

Normal Operation and Fault Conditions 

The Brake Shift Interlock Actuator (BSIA) system is controlled by the BCM and is activated when the BCM receives a brake pedal applied input. When the solenoid is energized, the plunger is pulled inward allowing the selector lever to move from the park position.

DTC Fault Trigger Conditions 

Possible Sources 

• Connectors damaged or pushed-out terminals, corrosion, loose wires and missing or damaged seals
• Brake Shift Interlock Actuator (BSIA) solenoid
• BCM