DTC P0031-11: HO2S Heater Control Circuit Low Bank 1 Sensor 1 - Circuit short to ground: Action
- Refer to the appropriate System Wiring Diagram(s) and check the heated oxygen sensor heater circuit for short circuit to ground
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Check and install a new heated oxygen sensor as required
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest