Home >> Land Rover >> 2017 >> Range Rover Sport HSE Dynamic >> Repair and Diagnosis >> Brakes >> Traction Control >> Diagnostic Trouble Code Index DTC: Anti-Lock Brake System Control Module (Abs) -- Range Rover Sport/L494 >> Diagnostic Trouble Code Index DTC: Anti-Lock Brake System Control Module (ABS) >> Description And Operation >> DTC C1054-68: System Functionality Reduced By Diagnostic Request - Event information >> Possible Causes