DTC U2300-64: Central Configuration - Signal plausibility failure: Action

WARNING: This page is about a different car, the 2018 Jaguar XE and 2017 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: After updating the car configuration file, set the ignition to on and wait 30 seconds before clearing the DTCs

Ensure the In control touch pro system and amplifier is at the latest level of software. Clear DTC and retest in a new power cycle. Check if the issue persists
Using the Jaguar Landrover approved diagnostic equipment, check and up-date the car configuration file as necessary
Install a new audio amplifier module as necessary