P0558 Lexus Brake Booster Pressure Sensor Circuit High Voltage
Possible causes
– Faulty Brake Booster Pressure Sensor
– Brake Booster Pressure Sensor harness is open or shorted
– Brake Booster Pressure Sensor circuit poor electrical connection
– Brake Booster Pressure Sensor harness is open or shorted
– Brake Booster Pressure Sensor circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0558 Lexus Description
Brake booster pressure sensor is connected to brake booster by a hose. It detects brake booster pressure and sends the voltage signal to the Engine Control Module (ECM). The sensor uses a silicon diaphragm which is sensitive to the change in pressure. As the pressure increases, the voltage rises.
Lexus Vehicle:Lexus ES,Lexus GS,Lexus GX,Lexus HS,Lexus IS,Lexus LFA,Lexus LS,Lexus LX,Lexus RX,Lexus RX,Lexus SC,Lexus GS350,Lexus GS450H,Lexus IS250,Lexus GX460,Lexus IS350,Lexus LS460,Lexus LS600H,Lexus LX570,Lexus RX350