After making the repair:
Note on Safety: If your brake lights are not working, do not drive the vehicle on public roads until the switch is replaced, as this poses a significant safety risk to you and others. ford b166a60
You may not notice drivability issues because B166A60 does not affect the engine or transmission. Instead, look for these telltale signs: After making the repair:
If you find no physical damage, attempt a zero-point calibration (Step 6 above). This solves approximately 15% of B166A60 cases, especially after battery replacement. Note on Safety: If your brake lights are
If a new switch does not fix the code, you have a wiring issue.
Here’s a helpful write‑up for the Ford B166A60 fault code.