Home >> Land Rover >> 2021 >> Range Rover Velar R-Dynamic HSE >> Repair and Diagnosis (Single Page) >> General Information >> Specifications Index >> Diagnostic Trouble Code Index DTC: Anti-Lock Brake System (Abs) -- Range Rover Velar/L560 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Anti-Lock Brake System Control Module (Abs) (G2379548) >> U0400-81: Invalid Data Received - Invalid serial data received >> Possible Causes