Home › Land Rover › 2014 › LR2 Base › Repair and Diagnosis › Transmission › Transmission Control Systems › Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- LR2/L359 › Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) › Description And Operation › DTC U2105-12: Switch Pack Signal "A" - Circuit Short To Battery › Possible Causes