Ford — B166a60

Info on some DTC errors, read with FORScan - Ford Focus Club

: If the motor is getting power but not moving, you may need to replace the motor assembly. On many Ford models (like the F-150 or Expedition), you can replace the motor/actuator without replacing the entire painted mirror housing.

is a manufacturer‑specific diagnostic trouble code (DTC) for Ford vehicles. It relates to the Occupant Classification System (OCS) — the system that detects whether a front passenger is an adult, child, child seat, or empty, and then enables/disables the passenger airbag accordingly.

: The heating element integrated into the mirror glass itself may have burned out or become disconnected. Connection Issues ford b166a60

This is the easiest way to verify switch function.

If you choose to fix it, simple replacement heated mirror glass is highly affordable and can be swapped out manually in under 10 minutes. If you are currently troubleshooting this, tell me:

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 Info on some DTC errors, read with FORScan

Purchase and snap in a new replacement passenger mirror glass with heating terminals. Easy (10 Mins)

(hypothetical; actual DTCs are 5 characters, e.g., P0606 )

This unique hexadecimal identifier points directly to the passenger or driver side-view mirror heating circuit sub-system. It relates to the Occupant Classification System (OCS)

When you scan your Ford's computer systems using a tool like FORScan or ELMConfig, you might encounter the code B166A-60 . It's a Ford-specific manufacturer code categorized under the series of Diagnostic Trouble Codes (DTCs). It indicates a specific electrical fault:

: This denotes that the fault lies within the body electronics system (managed by modules regulating doors, lighting, climate control, or convenience features) rather than the powertrain (P) or chassis (C).

Less common, but internal component failure or moisture damage inside the door module itself can prevent it from sending power out to the heating grid. Step-by-Step Diagnostic Workflow