DTC P050F-01: Brake Assist Vacuum Too Low - General Electrical Failure: Action
- Check brake vacuum is available. Deplete vacuum with engine off until the brake pedal goes hard. With brake pedal still applied start engine, if the pedal drops then vacuum is available
- Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check brake vacuum sensor circuit for open circuit, high resistance
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- If the brake pedal does not drop check under bonnet for air leaks and brake vacuum pump operation
- Check and install new brake vacuum pump as required
- Using the Jaguar Land Rover approved diagnostic equipment, clear all stored DTCs using the `Diagnosis Menu' tab and retest