P0135 – O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1: Oxygen sensors (O2S) or heated oxygen sensors (HO2S) need to reach a minimum operating temperature of 750 degrees Fahrenheit to ...

The fault code on oxygen sensors is one of the most time-consuming fault codes to diagnose. So take your time and don't get discouraged.

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 ...