DTC P2097-02: Post Catalyst Fuel Trim System Too Rich Bank 1 - General signal failure: Action

WARNING: This page is about a different car, the 2019 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Vehicle conditions to enable DTC logging strategy. Drive vehicle under steady state conditions for up to 20 minutes

Check the exhaust system for leaks. Repair as necessary
Check pre and post catalyst oxygen sensors for damage and correct installation
Refer to the electrical circuit diagrams and check Heated Oxygen Sensor (HO2S) heater control 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
Refer to Electronic Engine Controls V6 S/C 3.0L - Petrol - Heated Oxygen Sensors (HO2S), Diagnosis and Testing - pinpoint test A