DTC P053F-23: Cold Start Fuel Pressure Performance - Signal stuck low: Action

WARNING: This page is about a different car, the 2015 Land Rover LR2, 2014 Land Rover LR2, and 2013 Land Rover LR2. However, it is still accessible from the selected car via links, so may be relevant.

Refer to the relevant service information and the BATTERY & CHARGING SYSTEM - GENERAL INFORMATION -- LR2/L359 , inspect the vehicle battery and ensure it is fully charged and serviceable before performing further tests.
Check for fuel supply at both fuel pumps
Using the manufacturer approved diagnostic system carry out fuel prime routine
Using the manufacturer approved diagnostic system check engine control module for related DTCs and refer to the relevant DTC index. Clear the DTC and retest the system
Refer to the appropriate system wiring diagrams and check the fuel rail pressure sensor circuit for short circuit to ground, short circuit to power, open circuit, high resistance