Home › Land Rover › 2017 › Range Rover Autobiography › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Transfer Case Control Module (TCCM) -- Range Rover/L405 › Diagnostic Trouble Code Index DTC: Transfer Case Control Module (TCCM) › Description And Operation › DTC U2016-47: Control Module Main Software - Watchdog/safety microcontroller failure › Possible Causes