DTC P178D-07: Transmission Friction Element D or E - Mechanical failures: 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 relevant service information and check the automatic transmission fluid level and quality. Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and road test the vehicle. If the fault persists, install a new automatic transmission