DTC B1B57-11: Front Sensors Power Circuit-Circuit short to ground: 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.

Check front and rear bumper harness for signs of damage and security of connections
Refer to electrical wiring diagrams and check the parking assist front sensor power circuit and rear sensor power circuit for short circuit to ground. Repair or replace any wiring harness as required
Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test. If the problem persists, suspect the control module
Cycle the ignition off, then on, to power up parking aid system and check corrective action