Home › Land Rover › 2016 › LR4 Base › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code INDEXDTC: Headlamp Leveling Control Module (HLCM) -- LR4/L319 › Diagnostic Trouble Code Index DTC: Headlamp Leveling Control Module (HLCM) › Description Of Operation › DTC B1041-04: Leveling Control - System internal failures › Possible Causes