DTC P0031-13: HO2S Heater Control Circuit Low (Bank 1, Sensor 1) - Circuit open: Action
- Using the Jaguar Land Rover approved diagnostic equipment check datalogger signal, Oxygen Sensor (O2S) Heater Duty Cycle Bank 1 Sensor 1 (0x03A1)
- Refer to the appropriate electrical circuit wiring diagrams and check pre catalyst oxygen sensor-odd heater control circuit (Bank 1, Sensor 1) circuit for open circuit