P0059 Acura 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)
Acura Vehicle:
Acura ILX, Acura MDX, Acura RDX, Acura RLX, Acura TL, Acura TSX, Acura ZDX, Acura CSX, Acura EL, Acura Integra, Acura RSX, Acura Legend, Acura Vigor, Acura CL, Acura SLX, Acura NSX, Acura RL, Acura ZDX