DTC P0506-24: Idle Control System - RPM Lower Than Expected - Signal stuck high: Action
WARNING: This page is about a different car, the 2015 Jaguar XF, 2014 Jaguar XF, and 2013 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
- Check air filter is not blocked
- Check the intake air system is free from restrictions
- Check front end accessory drive belt and driven components for overload failure or seized