DTC P0505-22: Idle Control System - Signal amplitude > maximum: Action

WARNING: This page is about a different car, the 2020 Jaguar XE and 2019 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.

Vehicle Conditions to enable DTC Logging Strategy
- Idle warm engine, operate PAS and AC
Prioritised Checks to Perform
Check the intake system for restrictions. Rectify as necessary
Check the integrity of the supercharger belt. Install a new supercharger belt as necessary
Check front end accessory drive belt and driven components for overload failure or seized
Check power steering pump for overload, failed or seized component