P0606-94: Control Module Processor - Unexpected operation: Action

WARNING: This page is about a different car, the 2020 Land Rover Range Rover Velar. However, it is still accessible from the selected car via links, so may be relevant.

Check battery is in fully charged and in a serviceable condition using a battery tester and battery care manual
Refer to the electrical circuit diagrams and check the power and ground connections to the module
Clear the DTC and test drive the vehicle including at least five ignition cycles. Check for DTCs. If DTC is not present return to customer. If DTC repeatedly returns, check and install a new powertrain control module as required. Using the Jaguar Land Rover approved diagnostic equipment, configure the powertrain control module as a new module