Fog Light Circuit Malfunction
2018-2018 Lincoln MKX 3.7L V6
The 2018 Lincoln MKX is equipped with a 3.7L V6 engine. Below you'll find detailed b0093 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Malfunction detected in the fog light circuit affecting one or both fog lights.
Symptoms
- Fog lights not working
- One fog light out
- Fog light flickering
- Fog light fuse blowing
Common Causes
- Burnt out fog light bulb
- Corroded fog light socket
- Wiring damage from road debris
- Faulty fog light relay
- Switch failure
Diagnostic Steps
- Check fog light bulbs
- Test fog light relay
- Inspect wiring from switch to lights
- Check fog light fuse
- Test fog light switch continuity
Repair Notes
Replace bulb, relay, or repair wiring as needed.
Related Codes
Other Body Codes
- B0001Driver Frontal Stage 1 Deployment Control
- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0005Driver Knee Airbag Deployment Circuit
- B0005Driver Knee Airbag Deployment Circuit
B0093 on Other Vehicles
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2005-2005 4.6L V8 DOHC
Lincoln Aviator
2020-2020 3.0L Twin-Turbo V6
Lincoln Aviator
2020-2020 3.0L V6 Twin Turbo
Lincoln Aviator
2020-2020 3.0L V6 Twin Turbo Hybrid
Lincoln Aviator
2021-2021 3.0L Twin-Turbo V6
Lincoln Aviator
2021-2021 3.0L V6 Twin Turbo
Common Questions
What does code B0093 mean on a 2018-2018 Lincoln MKX?
B0093 stands for "Fog Light Circuit Malfunction". Malfunction detected in the fog light circuit affecting one or both fog lights.
What are the symptoms of B0093 on a Lincoln MKX?
Common symptoms of B0093 include: Fog lights not working, One fog light out, Fog light flickering, Fog light fuse blowing.
What causes B0093 on a 2018-2018 Lincoln MKX?
Common causes of B0093 include: Burnt out fog light bulb, Corroded fog light socket, Wiring damage from road debris, Faulty fog light relay, Switch failure.
Last updated: March 2026