P0136

DTC P0136 / O2 SENSOR CIRCUIT MALFUNCTION (BANK 1 SENSOR 2)

Hyundai does not provide a trouble code diagnostic procedure.
Refer to the component, Oxygen Sensor.
Oxygen Sensor

- Open or short between sensor and ECM.
- Bad connection of connectors / bad wiring.
- Malfunction of sensor (B1/S2).