DTC P2279-64: Intake Air System Leak Bank 1 - Signal plausibility failure: Action
WARNING: This page is about a different variant/trim than selected.
- Check powertrain control module for related DTCs and refer to the relevant DTC index
- Check air induction system for leakage
- Check EGR system for leakage
- 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-initialization1 routine (0x402C)
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest