Back to 2023 Mazda Mazda3

2023 MAZDA MAZDA3

2.5L I4FWDAUTOMATICgas
Repairs0Labor479Torque3805Fluid6DTC919Battery0Maintenance0Recalls0
B0093low severityBody

Fog Light Circuit Malfunction

on 2023 Mazda Mazda3 2.5L I4 · FWD

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

  1. Check fog light bulbs
  2. Test fog light relay
  3. Inspect wiring from switch to lights
  4. Check fog light fuse
  5. Test fog light switch continuity

Repair notes

Replace bulb, relay, or repair wiring as needed.

Other Body codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →