Brake Assist System Malfunction
2000-2002 Rolls-Royce Corniche 6.75L V8
Description
The emergency brake assist system that provides additional braking force during panic stops has malfunctioned.
Symptoms
- Brake assist warning light
- Reduced braking force during emergency stops
- ABS light may also be on
Common Causes
- Brake pedal position sensor fault
- Brake pressure sensor malfunction
- ABS module failure
- Brake booster assist solenoid fault
Diagnostic Steps
- Test brake pedal position sensor operation
- Check brake pressure sensors
- Perform emergency stop test and observe brake assist activation
- Inspect brake booster assist solenoid if equipped
- Check for related pedal sensor codes
Repair Notes
Diagnose root sensor or actuator fault. Brake assist uses data from multiple sensors.
Related Codes
Other Chassis Codes
- C0021LF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0025LF Wheel Speed Sensor Circuit Intermittent
- C0026RF Wheel Speed Sensor Circuit Intermittent
- C0027LR Wheel Speed Sensor Circuit Intermittent
- C0028RR Wheel Speed Sensor Circuit Intermittent
- C0035Left Front Wheel Speed Sensor Circuit
- C0036Left Front Wheel Speed Signal Erratic
C0145 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 C0145 mean on a 2000-2002 Rolls-Royce Corniche?
C0145 stands for "Brake Assist System Malfunction". The emergency brake assist system that provides additional braking force during panic stops has malfunctioned.
What are the symptoms of C0145 on a Rolls-Royce Corniche?
Common symptoms of C0145 include: Brake assist warning light, Reduced braking force during emergency stops, ABS light may also be on.
What causes C0145 on a 2000-2002 Rolls-Royce Corniche?
Common causes of C0145 include: Brake pedal position sensor fault, Brake pressure sensor malfunction, ABS module failure, Brake booster assist solenoid fault.