Home >> Land Rover >> 2021 >> Range Rover Evoque S >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Headlight Leveling Control Module (HLCM) -- Range Rover EVOQUE/L551 >> Diagnostic Trouble Code Index - DTC: Headlamp Leveling Control Module (HLCM) (G2308645) >> Description And Operation >> Headlamp Leveling Control Module (HLCM) >> DTC U0543-81: Invalid Data Received From Headlamp Control Module "B" - Invalid serial data received >> Possible Causes