Immobilizer Transponder Authentication Failure
2000-2002 Rolls-Royce Corniche 6.75L V8 🇨🇦
Description
The immobilizer detected a transponder signal but authentication failed. The key code does not match the stored code.
Symptoms
- Engine cranks but will not start
- Security light solid on
- Key rejected by system
Common Causes
- Key not programmed to this vehicle
- Immobilizer module lost key memory
- Aftermarket key with incorrect code
- Immobilizer control module failure
Diagnostic Steps
- Try all registered keys
- Check key programming status
- Attempt key relearn procedure
- Scan immobilizer module codes
- Verify VIN match in immobilizer
Repair Notes
Reprogram key to vehicle using manufacturer procedure. May require dealer tool.
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
B0102 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 B0102 mean on a 2000-2002 Rolls-Royce Corniche?
B0102 stands for "Immobilizer Transponder Authentication Failure". The immobilizer detected a transponder signal but authentication failed. The key code does not match the stored code.
What are the symptoms of B0102 on a Rolls-Royce Corniche?
Common symptoms of B0102 include: Engine cranks but will not start, Security light solid on, Key rejected by system.
What causes B0102 on a 2000-2002 Rolls-Royce Corniche?
Common causes of B0102 include: Key not programmed to this vehicle, Immobilizer module lost key memory, Aftermarket key with incorrect code, Immobilizer control module failure.