LAUNCH X431 PRO3S+ ELITE Scan Tool: 2024 J2534 Reprogramming Tool, ECU Online Coding, Topology Mapping, Upgraded of X431 PRO3S+, V+, PRO3 V+ ELITE. LAUNCH auto scanner X431 PRO3S+ ELITE work with SmartLink C 2.0(J2534 compliant) empowers you to conduct J2534 ECU PrograA-mming, just by downloading the OEM software in Automakers’ Service Webs to show the OE-level prograA-mming.