Posts Tagged: trouble code P0136

P0136

Fix code P0136 A P0136 code is defined as Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2). This sensor is located on the engine bank that houses #1 cylinder and is located AFTER the catalytic converter. When you turn the ignition switch to RUN, power is provided to the heater circuit of the oxygen sensor. The heater gets its ground from the PCM so it can monitor heater operation. If the heater doesn’t return ground to the PCM, it sets trouble code P0136 Check for power and ground to … Read More