Home >> Land Rover >> 2014 >> Range Rover Base >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Parking Assist Control Module (PACM) -- Range Rover/L405 >> Diagnostic Trouble Code Index DTC: Parking Assist Control Module (PACM) >> Description And Operation >> DTC U0001-83: High Speed CAN Communication Bus - Value of signal protection calculation incorrect >> Possible Causes