P0504-62: Brake Switch A/B Correlation - Signal compare failure: 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 brake pedal switch circuit for short circuit to power, open circuit. Repair harness as required. Using the manufacturer approved diagnostic system clear all stored DTCs using the `Diagnosis Menu' tab and retest