Home › Land Rover › 2014 › LR4 Base, AWD › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- LR4/L319 › Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) › Description And Operation › DTC P0606-64: Control Module Processor - Signal plausibility failure › Possible Causes