DTC P084F-29: Park/neutral Switch Output Circuit - Signal invalid: Action
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2017 Jaguar XJR, 2017 Jaguar XJ, 2016 Jaguar XJR, 2016 Jaguar XJ, and 2015 Jaguar XJR. However, it is still accessible from the selected car via links, so may be relevant.
- Refer to the electrical circuit diagrams and check the park/neutral output signal circuit for short circuit to ground, short circuit to power. Repair the wiring harness as necessary
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest. If the fault persists, install a new transmission control module