Home › Land Rover › 2013 › LR2 Base › Repair and Diagnosis › General Information › DTC Index › Diagnostic Trouble Code Index DTC: Central Junction Box (CJB) -- LR2/L359 › Diagnostic Trouble Code Index DTC: Central Junction Box (CJB) › Description And Operation › DTC U2017-51: Control Module Software #2 - Not programmed › Possible Causes