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2013 AUDI S5

3.0L Supercharged V6AWDAUTOMATICgassupercharged
Repairs0Labor497Torque3689Fluid9DTC905Battery0Maintenance0Recalls0
B2600low severityBody

Horn Circuit Malfunction

on 2013 Audi S5 3.0L Supercharged V6 · AWD

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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