What Does P0559 Mean? Regarding the P0558 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter. When you see P0558 engine fault code on your engine code reader this description will help you. engine code P0559P0559 fixobd P0559dtc P0559obd code P0559obd2 P0559P0559 car codediagnostic code P0559car code P0559check engine code P0559fehlercode P0559P0559 fiatcodigo P0559codigo falla P0559P0559 kody b??dówcodigo de falla P0559 What are the common causes of P0559 ? Faulty Brake Booster Pressure Sensor Brake Booster Pressure Sensor harness is open or shorted Brake Booster Pressure Sensor circuit poor electrical connection How do you troubleshoot P0559 ? Some of the repairs for the P0559 code are: Replacement of the electrical components in the brake booster, such as wires and connectors Replacement of the brake booster pressure sensor Replace leaking vacuum hoses Replacement of hoses or valves in the brake booster system In rare cases, replacement of the brake booster Searches related to P0559 - Brake Booster Pressure Sensor Circuit Intermittent brake booster vacuum pressure sensor p0599