ABS Front Inlet Valve Solenoid Circuit
2000-2004 Porsche Boxster 2.7L H6
Description
Malfunction detected in the front ABS inlet valve solenoid circuit inside the hydraulic modulator.
Symptoms
- ABS warning light on
- ABS not functioning on front wheels
- Longer stopping distances
- Brake pedal pulsation absent during ABS event
Common Causes
- Faulty inlet valve solenoid
- ABS module internal failure
- Wiring to module damaged
- Corroded module connector
Diagnostic Steps
- Check ABS module connector for corrosion
- Test solenoid resistance through module connector pins
- Inspect wiring between ABS module and ECU
- Command solenoid activation with scan tool
- Check for internal module fault codes
Repair Notes
If solenoid has failed internally, the ABS hydraulic modulator assembly must be replaced.
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
C0055 on Other Vehicles
Porsche 718 Boxster
2017-2024 2.0L H4 Turbo
Porsche 718 Boxster
2017-2024 2.0L Turbo H4
Porsche 718 Boxster GTS
2020-2024 4.0L H6
Porsche 718 Boxster S
2017-2024 2.5L Turbo H4
Porsche 718 Cayman
2017-2024 2.0L H4 Turbo
Porsche 718 Cayman
2017-2024 2.0L Turbo H4
Porsche 718 Cayman GT4
2019-2024 4.0L H6
Porsche 718 Cayman GTS
2020-2024 4.0L H6
Common Questions
What does code C0055 mean on a 2000-2004 Porsche Boxster?
C0055 stands for "ABS Front Inlet Valve Solenoid Circuit". Malfunction detected in the front ABS inlet valve solenoid circuit inside the hydraulic modulator.
What are the symptoms of C0055 on a Porsche Boxster?
Common symptoms of C0055 include: ABS warning light on, ABS not functioning on front wheels, Longer stopping distances, Brake pedal pulsation absent during ABS event.
What causes C0055 on a 2000-2004 Porsche Boxster?
Common causes of C0055 include: Faulty inlet valve solenoid, ABS module internal failure, Wiring to module damaged, Corroded module connector.