DTC P0605-47: Internal Control Module Read Only Memory (ROM) Error - Watchdog/safety microcontroller failure: Action
WARNING: This page is about a different car, the 2018 Jaguar XF and 2017 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
- Using the Jaguar Land Rover approved diagnostic equipment, re-configure the powertrain control module with the latest level software
- Refer to the appropriate system wiring diagrams and check powertrain control module power and ground circuits for open circuit, high resistance
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest