Home >> Land Rover >> 2020 >> Range Rover SVAutobiography Dynamic >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index DTC: Image Processing Module (IPMA) -- Range Rover/L405 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Image Processing Module (IPMA) (G2374101) >> DTC U1A00-81: Private Communication Network - Invalid serial data received >> Possible Causes