DTC P1338-38: Fuel Pump Driver Module Communication Circuit (Fuel Pump Driver Module) - Signal frequency incorrect: Action
WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, 2016 Land Rover Range Rover, 2014 Land Rover Range Rover, and 2013 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
- Refer to appropriate system wiring diagram and check the fuel pump driver module circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Using the Jaguar Land Rover approved diagnostic equipment check for related DTCs and refer to the relevant DTC index
- Using the Jaguar Land Rover approved diagnostic equipment, perform routine - Inline diagnostic unit 2 non-intrusive test - Low pressure fuel pump