DTC P2279-64: Intake Air System Leak Bank 1 - Signal plausibility 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.
- Check powertrain control module for related Diagnostic Trouble Code(s) and refer to relevant DTC index
- Check air induction system for leakage
- Check EGR system for leakage
- Refer to the electrical circuit 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
- Install a new heated oxygen sensor, only when diagnosed as failed
- Using the Jaguar Land Rover approved diagnostic equipment, clear the Diagnostic Trouble Code(s) and retest