DTC B0021-56: Left Curtain Deployment Control 1 - Invalid/incomplete configuration: Action

WARNING: This page is about a different car, the 2023 Jaguar F-Pace and 2022 Jaguar F-Pace. 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