Home >> Land Rover >> 2021 >> Range Rover SVAutobiography Dynamic Blk. >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index: Terrain Response SWITCHPACK (Tr) -- Range Rover/L405 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index: Terrain Response SWITCHPACK (Tr) (G2016289) >> DTC C1A01-96: LED Circuit - Component internal failure >> Possible Causes