DTC B1252-13: USB Port - Circuit open: Action

WARNING: This page is about a different car, the 2018 Land Rover Discovery Sport, 2017 Land Rover Discovery Sport, 2016 Land Rover Discovery Sport, and 2015 Land Rover Discovery Sport. However, it is still accessible from the selected car via links, so may be relevant.

Check the connection of the USB SIM card reader
Check the operation of the SIM card reader
Refer to the appropriate system wiring diagram and check the SIM card reader USB interface circuit for open circuit or high resistance. Repair the wiring harness as necessary. Clear the DTCs and retest