P0059 Lexus HO2S21 Heater Control Circuit Low/High/Heater Resistance
Possible causes
– Faulty heated oxygen sensor
– Heated oxygen sensor harness open or shorted
– Heated oxygen sensor circuit poor connection
– Heated oxygen sensor harness open or shorted
– Heated oxygen sensor circuit poor connection
What about the obd code?
Heater current requirements too low or high in the heated oxygen sensor (HO2S) heater control circuit
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
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