DTC B14D3-4B: Radio Tuner - Over temperature: 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.
- Allow the system to cool. Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new infotainment master controller