DTC C101A-64: Vacuum pressure Sensor - Signal Plausibility Failure: Action
WARNING: This page is about a different car, the 2018 Jaguar XF, 2017 Jaguar XF, and 2016 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
- Refer to the electric circuit diagrams and check the brake vacuum sensor circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair circuit as required