Home >> Land Rover >> 2014 >> Range Rover Base >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> 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-86: Vacuum Pressure Sensor - Signal invalid >> Possible Causes