DTC B1252-57: USB Port - Invalid/incomplete software component: Action

WARNING: This page is about a different car, the 2016 Land Rover LR4, 2015 Land Rover LR4, and 2014 Land Rover LR4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: This DTC can only set when routine - USB Interface Self Test (0x602E) - is run and fails

Using the manufacturer approved diagnostic system, clear the DTCs, remove and reconnect the USB device, and retest. If fault persists, replace the content of the USB device with content that is correctly formatted