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2021 TOYOTA SEQUOIA

4.6L V8RWDAUTOMATICgas
2 active safety recalls on this vehicle — view recalls
Repairs0Labor493Torque4920Fluid7DTC940Battery1Maintenance0Recalls2
B2600low severityBody

Horn Circuit Malfunction

on 2021 Toyota Sequoia 4.6L V8 · RWD

What this code means

Malfunction in the vehicle horn circuit. The horn does not sound or sounds abnormally.

Symptoms

  • Horn does not sound
  • Horn sounds weak
  • Horn stuck on
  • Intermittent horn operation
  • Horn sounds different than normal

Common causes

  • Faulty horn
  • Horn relay failure
  • Clock spring failure (horn through steering wheel)
  • Horn switch failure
  • Wiring issue
  • Corroded horn ground

Diagnostic steps

  1. Test horn with direct power
  2. Check horn relay
  3. Test clock spring horn circuit
  4. Inspect horn switch
  5. Check ground connection
  6. Verify horn fuse

Repair notes

Replace horn, relay, or clock spring. Check horn ground for corrosion.

Other Body codes on this vehicle

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