Home >> Land Rover >> 2016 >> LR4 Base >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Parking Aid Control Module (PACM) -- LR4/L319 >> Diagnostic Trouble Code Index DTC: Parking Aid Control Module (PACM) >> Description And Operation >> DTC U0001-82: High speed CAN Communication Bus - Alive/sequence counter incorrect/not updated >> Possible Causes