If you're experiencing issues related to the B166A60 code, I recommend:
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A severely discharged battery or jump-start can cause the RCM to see erratic voltage from the OCS during its power-up self-test, temporarily setting B166A60. If you're experiencing issues related to the B166A60
Moisture or debris in the mirror assembly connectors preventing a solid electrical connection. MFC Auction Diagnostic & Fix Steps Visual Inspection: MFC Auction Diagnostic & Fix Steps Visual Inspection:
This is the most common cause for a signal comparison error (:60). It often occurs after an incomplete Over-the-Air (OTA) update or a manual SYNC update.
Some Ford vehicles received a faulty calibration that incorrectly flags a healthy OCS as failed. A simple software update can resolve B166A60 without any parts replacement.
: A failure subtype indicating an event-based signal failure, typically an open circuit . Primary Causes The most frequent reasons for this fault include: