ABS Pressure Circuit Malfunction
2002-2008 Jaguar X-Type 2.5L V6
Description
General fault in the ABS hydraulic pressure sensing or regulation circuit.
Symptoms
- ABS light on
- Stability control disabled
- Brake pedal feel abnormal
- ABS may activate unexpectedly
Common Causes
- Faulty ABS pressure sensor
- Hydraulic unit internal leak
- Pressure transducer failure
- Wiring to pressure sensor damaged
Diagnostic Steps
- Read ABS pressure sensor values with scan tool
- Compare commanded versus actual pressure
- Inspect pressure sensor wiring
- Check for brake fluid leaks at ABS unit
- Test pressure transducer
Repair Notes
Replace ABS pressure sensor or hydraulic unit as needed.
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
C0066 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 C0066 mean on a 2002-2008 Jaguar X-Type?
C0066 stands for "ABS Pressure Circuit Malfunction". General fault in the ABS hydraulic pressure sensing or regulation circuit.
What are the symptoms of C0066 on a Jaguar X-Type?
Common symptoms of C0066 include: ABS light on, Stability control disabled, Brake pedal feel abnormal, ABS may activate unexpectedly.
What causes C0066 on a 2002-2008 Jaguar X-Type?
Common causes of C0066 include: Faulty ABS pressure sensor, Hydraulic unit internal leak, Pressure transducer failure, Wiring to pressure sensor damaged.