B0093low severityBody
Fog Light Circuit Malfunction
on 2010 Audi S5 4.2L V8 · AWD
What this code means
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.
Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0006
Passenger Knee Airbag Deployment Circuit
B0007
Rear Left Side Airbag Deployment Circuit
B0008
Rear Right Side Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment
B0011
Driver Side Airbag Deployment Circuit Open