Home >> Land Rover >> 2017 >> Range Rover Sport HSE Dynamic >> Repair and Diagnosis >> General Information >> DTC Index >> Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- Range Rover Sport/L494 >> Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) >> Description And Operation >> DTC U0422-83: Invalid Data Received From Body Control Module - General checksum failure >> Possible Causes