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2022 MAZDA MAZDA3

2.5L I4FWDAUTOMATICgas
Repairs0Labor479Torque3805Fluid6DTC919Battery0Maintenance0Recalls0
B0094moderate severityBody

Tail Light Circuit Malfunction

on 2022 Mazda Mazda3 2.5L I4 · FWD

What this code means

Malfunction in the tail light circuit. One or both tail lights are not operating correctly.

Symptoms

  • Tail light not working
  • Tail light flickering
  • Fuse blowing repeatedly
  • Other drivers flashing headlights at you

Common causes

  • Burnt out tail light bulb
  • Corroded bulb socket
  • Wiring damage in trunk/hatch area
  • Faulty body control module output
  • Ground circuit failure

Diagnostic steps

  1. Check tail light bulbs
  2. Inspect bulb socket for corrosion
  3. Test circuit voltage at socket
  4. Check ground wire
  5. Test BCM output for tail light circuit

Repair notes

Replace bulb and clean socket. Repair ground circuit if corroded.

Other Body codes on this vehicle

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