Home >> Land Rover >> 2015 >> Range Rover Autobiography >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Image Processing Module (IPMA) -- Range Rover/L405 >> Diagnostic Trouble Code Index DTC: Image Processing Module (IPMA) >> Description And Operation >> DTC U0001-81: High Speed CAN Communication Bus - Invalid serial data received >> Possible Causes