Horn Circuit Malfunction
2000-2005 Chevrolet Impala 3.4L V6
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
Chevrolet Astro
1995-2005 4.3L V6 Vortec
Chevrolet Avalanche
2002-2006 5.3L V8 Vortec
Chevrolet Avalanche
2002-2006 8.1L V8 Vortec
Chevrolet Avalanche
2007-2013 5.3L V8 Vortec
Chevrolet Avalanche
2007-2013 6.0L V8 Vortec
Chevrolet Aveo
2012-2018 1.6L I4
Chevrolet Beat
2018-2021 1.2L I4
Chevrolet Beretta
1990-1996 2.2L I4
Common Questions
What does code B2600 mean on a 2000-2005 Chevrolet Impala?
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 Chevrolet Impala?
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 2000-2005 Chevrolet Impala?
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.