Home › Land Rover › 2013 › Range Rover Evoque Pure › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Tailgate Control Module (TGCM) › Diagnostic Trouble Code Index DTC: Tailgate Control Module (TGCM) › Description And Operation › DTC B11C4-23: Boot/Trunk Close Button - Signal stuck low › Possible Causes