Home › Land Rover › 2016 › LR4 Base › Repair and Diagnosis › General Information › DTC Index › Diagnostic Trouble Code Index DTC: Satellite Radio Control Module (SRCM) -- LR4/L319 › Diagnostic Trouble Code Index DTC: Satellite Radio Control Module (SRCM) › Description And Operation › DTC U3000-87: Control Module - Missing message › Possible Causes