DTC P2251-13: O2 Sensor Negative Current Control Circuit/Open Bank 1 Sensor 1 - Circuit open: Action
WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, and 2016 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
- Refer to the appropriate system wiring diagrams and check the heated oxygen sensor heater circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- 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, carry out 'Oxygen sensor' routine (0x4035)
- Using the Jaguar Land Rover approved diagnostic equipment, carry out 'Diesel fuelling adaption re-initialization' routine (0x402C)
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest