Home >> Land Rover >> 2020 >> Discovery Sport Base >> Repair and Diagnosis >> General Information >> Specifications Index >> Diagnostic Trouble Code Index DTC: All Wheel Drive Control Module (AWDCM) - Discovery Sport/L550 >> Diagnostic Trouble Code Index - DTC: All Wheel Drive Control Module (AWDCM) (G2295015) >> Description And Operation >> DTC U0001-81: High Speed CAN Communication Bus - Invalid serial data received >> Possible Causes