DTC P081C-64: Park Input Circuit - 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.

NOTE: Park Signal should be high (battery voltage) when park selected and low (ground) for all other gear selections.

Refer to the electrical circuit diagrams and check the park signal circuit for short circuit to ground, short circuit to power, open circuit, high resistance.