DTC U3000-47: Control Module - Watchdog/safety microcontroller failure: Action
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, 2016 Land Rover Range Rover, 2015 Land Rover Range Rover, and 2014 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
- Refer to the appropriate system wiring diagram and check the power and ground circuits to the module for circuit faults, including intermittent high resistance. Repair circuit as required, clear the DTCs and retest
- If the fault persists, check the operation of the alternator and replace as required
- Check for power-related DTCs and refer to the relevant DTC index
- If the fault persists, install a new dynamic response control module