SRS Warning Lamp Circuit Malfunction
2000-2002 Rolls-Royce Corniche 6.75L V8
Description
The SRS airbag warning lamp circuit is malfunctioning. The lamp may be always on, always off, or not performing the bulb check properly.
Symptoms
- Airbag warning light stuck on
- Airbag light not illuminating during bulb check
- SRS fault stored
- Cannot determine if SRS system has other faults
Common Causes
- Burnt out airbag warning lamp bulb
- Wiring issue to instrument cluster
- Instrument cluster fault
- ACM lamp driver failure
Diagnostic Steps
- Check airbag warning lamp bulb
- Test lamp circuit voltage from ACM
- Inspect wiring to cluster
- Test cluster lamp driver
- Scan for additional SRS codes
Repair Notes
Replace warning lamp bulb or repair wiring. If ACM lamp driver is faulty, replace ACM.
Related Codes
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
- B0010Driver Side Airbag Deployment
- B0011Driver Side Airbag Deployment Circuit Open
- B0012Driver Side Airbag Deployment Circuit Short to Ground
- B0013Driver Side Airbag Deployment Circuit Short to Battery
B0086 on Other Vehicles
Rolls-Royce Cullinan
2019-2024 6.75L V12 Twin Turbo
Rolls-Royce Dawn
2016-2024 6.6L V12 Twin Turbo
Rolls-Royce Ghost
2010-2024 6.6L V12 Twin Turbo
Rolls-Royce Phantom VII
2003-2017 6.75L V12
Rolls-Royce Phantom VIII
2018-2024 6.75L V12 Twin Turbo
Rolls-Royce Silver Seraph
1998-2002 5.4L V12
Rolls-Royce Silver Spirit
1990-1998 6.75L V8
Rolls-Royce Silver Spur
1990-1998 6.75L V8
Common Questions
What does code B0086 mean on a 2000-2002 Rolls-Royce Corniche?
B0086 stands for "SRS Warning Lamp Circuit Malfunction". The SRS airbag warning lamp circuit is malfunctioning. The lamp may be always on, always off, or not performing the bulb check properly.
What are the symptoms of B0086 on a Rolls-Royce Corniche?
Common symptoms of B0086 include: Airbag warning light stuck on, Airbag light not illuminating during bulb check, SRS fault stored, Cannot determine if SRS system has other faults.
What causes B0086 on a 2000-2002 Rolls-Royce Corniche?
Common causes of B0086 include: Burnt out airbag warning lamp bulb, Wiring issue to instrument cluster, Instrument cluster fault, ACM lamp driver failure.