Ford B166a60 Jun 2026

Place the multimeter probes inside the two female connectors on the wiring harness you unplugged from the glass.

Ford frequently releases updates for the BCM. A dealership can use the Ford Integrated Diagnostic System (IDS) to see if a software flash fixes the communication error. 3. Clear and Reset ford b166a60

The code points to an "open" in the circuit, meaning the electrical path is broken, preventing current from flowing. The same fault can also be caused by a short circuit. In either case, the module cannot detect the proper electrical load from the heating element. The cause is almost always a physical problem with the wiring or component, not a software issue. Place the multimeter probes inside the two female

: A disconnected or loose plug behind the mirror assembly or within the door panel. It Discussioni Auto Ford Next Steps for Repair Inspect Connections In either case, the module cannot detect the

: The specific fault identifier for the heated mirror circuit.

Appears if the passenger-side mirror heating grid fails or loses its connection.