Theft Deterrent Indicator Lamp Circuit
2000-2002 Rolls-Royce Corniche 6.75L V8 🇷🇺
Description
Malfunction in the theft deterrent system indicator lamp circuit. The security light in the dash does not operate correctly.
Symptoms
- Security light always on
- Security light never illuminates
- Light does not flash when system is armed
- Cannot determine system status
Common Causes
- Burnt out indicator LED
- Instrument cluster fault
- BCM indicator output failure
- Wiring issue
Diagnostic Steps
- Check indicator lamp operation
- Test BCM indicator output
- Inspect cluster wiring
- Check instrument cluster
Repair Notes
Replace indicator lamp/LED in cluster or repair wiring.
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
B0122 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 B0122 mean on a 2000-2002 Rolls-Royce Corniche?
B0122 stands for "Theft Deterrent Indicator Lamp Circuit". Malfunction in the theft deterrent system indicator lamp circuit. The security light in the dash does not operate correctly.
What are the symptoms of B0122 on a Rolls-Royce Corniche?
Common symptoms of B0122 include: Security light always on, Security light never illuminates, Light does not flash when system is armed, Cannot determine system status.
What causes B0122 on a 2000-2002 Rolls-Royce Corniche?
Common causes of B0122 include: Burnt out indicator LED, Instrument cluster fault, BCM indicator output failure, Wiring issue.