Home › Land Rover › 2014 › LR2 Base › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- LR2/L359 › Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) › Description And Operation › DTC P0814-42: Transmission Range Display Circuit - General Memory Failure › Possible Causes