DTC P0605-47: Internal Control Module Read Only Memory (ROM) Error - Watchdog/safety microcontroller failure: Action
- 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 Diagram(s) 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