DTC B1252-09: USB port - Component failures: Action

WARNING: This page is about a different car, the 2015 Jaguar XF, 2014 Jaguar XF, and 2013 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.

Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check the USB circuits for short circuit to ground, short circuit to power, open circuit, high resistance. Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new integrated audio module