Home >> Land Rover >> 2016 >> LR4 Base >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- LR4/L319 >> Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) >> Description And Operation >> DTC P0613-13: TCM Processor - Circuit open >> Possible Causes