Home >> Land Rover >> 2014 >> Range Rover Base >> Repair and Diagnosis >> General Information >> DTC Index >> Diagnostic Trouble Code Index DTC: Body Control Module (BCM) -- Range Rover/L405 >> Diagnostic Trouble Code Index DTC: Body Control Module (BCM) >> Description And Operation >> DTC B1D17-96: Battery Backed Sounder - Component internal failure >> Possible Causes