JLR Software encompasses all diagnostic, programming, and coding applications for Jaguar and Land Rover vehicles. These range from OEM dealer-level platforms like TOPIx CloudSDD (Symptom Driven Diagnostics), and Pathfinder, to aftermarket engineering tools such as JET-ProCCF-PROSX-Tool, and JET LS.

Key functions include DTC reading/clearing, live data streaming, CCF (Central Configuration File) editing for feature activation and vehicle personalization, module programming and ECU flashingVBF/E-XML modificationskey programmingimmobilizer functions, and seed-key security access calculations. Hidden features like Dynamic Mode, Adaptive Cruise Control, Lane Keep Assist, and Ambient Lighting can be unlocked.

JLR software supports both CAN bus  and DoIP  protocols. It operates through J2534 pass-through devices  or DoIP VCI adapters. Solutions are available in online  and offline ( versions.