Horn Circuit Malfunction
2007-2012 Nissan Altima 2.5L I4
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
- B0010Driver Side Airbag Deployment
- B0011Driver Side Airbag Deployment Circuit Open
B2600 on Other Vehicles
Nissan 200SX
1995-1998 1.6L I4 GA16DE
Nissan 200SX SE-R
1995-1998 2.0L I4 SR20DE
Nissan 240SX
1995-1998 2.4L I4 KA24DE
Nissan 300ZX
1990-1996 3.0L V6 VG30DE
Nissan 300ZX Twin Turbo
1990-1996 3.0L Twin-Turbo V6 VG30DETT
Nissan 350Z
2003-2006 3.5L V6 VQ35DE
Nissan 350Z
2007-2009 3.5L V6 VQ35HR
Nissan 370Z
2009-2020 3.7L V6 VQ37VHR
Common Questions
What does code B2600 mean on a 2007-2012 Nissan Altima?
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 Nissan Altima?
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 2007-2012 Nissan Altima?
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.