Home >> Land Rover >> 2021 >> Range Rover SVAutobiography Dynamic Blk. >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index: Transmission Control Switch (TCS) -- Range Rover/L405 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index: Transmission Control Switch (TCS) (G2016292) >> DTC P085D-96: Gear Shift Control Module "A" Performance - Component internal failure >> Possible Causes