Also, when determined which sensor has the problem, the scan tool refers to Sensor 2 Bank 1 or Sensor 2 Bank ... If you have a fault code for an O2 heater circuit failure on one of these multiple ...

P0135 – O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1 ... P0136 – O2 Sensor Circuit Malfunction Bank 1 Sensor 2: The HO2S, after three-way catalyst (manifold), monitors the oxygen ...

Answer:DTC P0052 refers to a failure of the oxygen sensor heater control circuit -- Bank 2, Sensor 1. The O2 sensor is most accurate in determining oxygen content in the exhaust gases at a certain ...