Ford B166a60 -

Verify the fuse for the heated mirrors is intact (often shared with the rear defroster). Test Resistance:

, often meaning a "signal comparison failure" or an open circuit where the computer expects a connection. Common Causes & Fixes If you are seeing this code on a scan tool like , here is what is usually happening: Broken Heating Element ford b166a60

: Signal is Comparative Event Failure or Event Configuration Failure. Verify the fuse for the heated mirrors is