DTC P0606-41: Control Module Processor - General checksum failure: Action

Using the Jaguar Land Rover approved diagnostic equipment check and install latest relevant level of software to the engine control module
Check engine control module power supply circuit for open circuit
Check engine control module for signs of water ingress
Check and install a new engine control module as required. Refer to the warranty policy and procedures manual, or determine if any prior approval program is in operation, prior to the installation of a new module/component