DTC P0607-4B: Control Module Performance - Over temperature: Action

NOTE: This DTC will be cleared when the display illumination is no longer being capped by thermal management

Check the harness connector to the instrument cluster for security and integrity. Check the instrument cluster display is still illuminated
Allow the instrument cluster to cool. Using the Jaguar Land Rover approved diagnostic equipment, clear the DTC and retest. If the fault persists, consider environmental conditions before condemning the module