Home >> Land Rover >> 2016 >> LR4 Base >> Repair and Diagnosis (Single Page) >> Transmission >> Transmission Control Systems >> Diagnostic Trouble Code Index DTC: Terrain Response SWITCHPACK (Tr) -- LR4/L319 >> Diagnostic Trouble Code Index DTC: Terrain Response Switchpack (TR) >> Description And Operation >> DTC C1A00-46: Control Module - Calibration/parameter memory failure >> Possible Causes