Home › Land Rover › 2016 › LR4 Base › Repair and Diagnosis › Transmission › Transmission Control Systems › Diagnostic Trouble Code Index DTC: Transmission Control Switch (TCS) -- LR4/L319 › Diagnostic Trouble Code Index DTC: Transmission Control Switch (TCS) › Description And Operation › DTC P0606-47: Control Module Processor - Watchdog/safety microcontroller failure › Possible Causes