P2176-54: Throttle Actuator "A" Control System - Idle Position Not Learned - Missing calibration: 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.

Using the Jaguar Land Rover approved diagnostic equipment, check engine control module for related DTCs and refer to the relevant DTC index
Turn the ignition off, allow the engine control module to power latch. Turn on the ignition wait 60 seconds, then start the engine. This process will allow throttle adaption data to be stored