B2600
Horn Circuit Malfunction
2012-2015 BMW 320i 2.0L I4 Turbo N20
Low SeverityBodyGeneric (SAE)
Description
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
- Test horn with direct power
- Check horn relay
- Test clock spring horn circuit
- Inspect horn switch
- Check ground connection
- Verify horn fuse
Repair Notes
Replace horn, relay, or clock spring. Check horn ground for corrosion.
Other Body Codes
- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0005Driver Knee Airbag Deployment Circuit
- B0006Passenger Knee Airbag Deployment Circuit
- B0007Rear Left Side Airbag Deployment Circuit
- B0008Rear Right Side Airbag Deployment Circuit
- B0009Rear Center Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
B2600 on Other Vehicles
Common Questions
What does code B2600 mean on a 2012-2015 BMW 320i?
B2600 stands for "Horn Circuit Malfunction". Malfunction in the vehicle horn circuit. The horn does not sound or sounds abnormally.
What are the symptoms of B2600 on a BMW 320i?
Common symptoms of B2600 include: Horn does not sound, Horn sounds weak, Horn stuck on, Intermittent horn operation, Horn sounds different than normal.
What causes B2600 on a 2012-2015 BMW 320i?
Common causes of B2600 include: Faulty horn, Horn relay failure, Clock spring failure (horn through steering wheel), Horn switch failure, Wiring issue, Corroded horn ground.