Home >> Land Rover >> 2017 >> Range Rover Autobiography >> Repair and Diagnosis >> Brakes >> Traction Control >> Diagnostic Trouble Code Index DTC: Anti-Lock Brake System Control Module (Abs) -- Range Rover/L405 >> Diagnostic Trouble Code Index DTC: Anti-Lock Brake System Control Module (ABS) >> Description And Operation >> DTC C101A-81: Vacuum Pressure Sensor - Invalid serial data received >> Possible Causes