Home >> Land Rover >> 2021 >> Range Rover Velar R-Dynamic HSE >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index INGENIUM I4 2.0L Petrol PHEV DTC Transmission Control Module (TCM) -- Range Rover Velar/L560 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - INGENIUM I4 2.0L Petrol - PHEV, DTC: Transmission Control Module (TCM) (G2815506) >> P0600-08: Serial Communication Link - Bus signal/message failures >> Possible Causes