DTC U0300-57: Internal Control Module Software Incompatibility - Invalid/incomplete software component: Action

Using JLR approved diagnostic equipment, clear the DTCs and retest. Check DTCs in all control modules
In case U0300-00 set in multiple control modules on the chassis high speed CAN bus - reconfigure the central junction box with the latest level software
In case U0300-00 set in general proximity sensor module only - reconfigure the general proximity sensor module with the latest level software. If the fault persists, install a new general proximity sensor module