Brake Assist System Malfunction
2002-2008 Jaguar X-Type 2.5L V6
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
Jaguar E-PACE
2018-2024 2.0L I4 Turbo
Jaguar F-PACE
2017-2024 2.0L I4 Turbo
Jaguar F-PACE
2017-2024 3.0L V6 Supercharged
Jaguar F-Type
2014-2024 3.0L V6 Supercharged
Jaguar F-Type R
2014-2024 5.0L V8 Supercharged
Jaguar I-PACE
2019-2024 Electric AWD
Jaguar S-Type
2000-2008 3.0L V6
Jaguar XE
2017-2024 2.0L I4 Turbo
Common Questions
What does code C0145 mean on a 2002-2008 Jaguar X-Type?
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 Jaguar X-Type?
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 2002-2008 Jaguar X-Type?
Common causes of C0145 include: Brake pedal position sensor fault, Brake pressure sensor malfunction, ABS module failure, Brake booster assist solenoid fault.