| Device | Key Feature for Chrysler | |--------|--------------------------| | Drew Technologies CarDAQ-Plus 3 | Full SGW passthrough, CAN FD | | Tactrix Openport 2.0 | Budget-friendly, reliable for pre-2018 | | VXDIAG VCX NANO (J2534 mode) | Low-cost alternative, requires driver tweaks | | Bosch Mastertech II | Dealer-level, supports all protocols | Cheap $50 eBay "J2534" clones often fail during "Full" flashes, leading to partial writes and bricked modules. Software Setup: Obtaining and Installing the Application The software itself is free, but access is controlled. Follow this exact process: Step 1: Register on Mopar Tech Authority Go to techauthority.mopar.com and purchase a subscription – either 24-hour, 3-day, monthly, or yearly. Without active credentials, the flash application will not launch. Step 2: Download the J2534 Flash Application Inside the Tech Authority dashboard, navigate to: Diagnostics > J2534 Flash > Download Latest Version