DTC B1304-98: Electronic Power Assisted Steering System - Component or system over temperature: Action

WARNING: This page is about a different car, the 2018 Land Rover Discovery Sport, 2017 Land Rover Discovery Sport, 2016 Land Rover Discovery Sport, and 2015 Land Rover Discovery Sport. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

The system is designed to give a heavier but stable steering feel when high temperature is detected to protect the system from permanent damage. It is recommended to reduce the level of steering inputs to the steering in the specific scenarios identified by the customer to provoke the problem. Depending on the level of reduction this could be accompanied by an alert
This DTC may be induced by excessive steering inputs and/or environmental conditions

Check for steering gear heat shield damage or mud packing around the power steering control module. Allow the power steering control module to cool. Consider the environmental temperature
Using the Jaguar Land Rover Approved Diagnostic Equipment, clear the DTCs and retest