DTC B1A84-81: Car Configuration Data - Invalid serial data received: 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.
NOTE:
After updating the car configuration file, set the ignition to on and wait 30 seconds before clearing the DTCs.
- Using the Jaguar Land Rover approved diagnostic equipment, check and update the car configuration file as necessary. Clear the DTCs and retest