Transfer Case Switch – Ford (FL3Z-14B166-AA)

Transfer Case Switch is an electrically controlled component in the engine or transmission management system. Because the module cross-checks it against other inputs, a fault here often surfaces as a code for a different circuit.

Replace the Transfer Case Switch when a value freezes or drops out intermittently, which usually means an internal fault rather than wiring. Wiggle-testing the harness while watching live data separates the two.

This Transfer Case Switch is listed under part number FL3Z-14B166-AA, filed under Sensors & Switches. If the original number is unreadable, send us the VIN and we will confirm the reference before dispatch.

Genuine FORD part for the Transfer Case Switch. Where the manufacturer has superseded a number, the current reference is the one that ships.