DTC U1A4B-4B: Control Module Processor B - Over temperature: Action
- Allow the vehicle to cool for at least ten minutes. Ensure that the airflow around the module is not obstructed by mud or other debris. Rectify as required
- Using the Jaguar Land Rover approved diagnostic equipment, perform the Transfer Case Healthcheck Application. The application will subsequently test the system and report a DTC if a fault persists