2018-2023 Ram 2500 3500 Cummins Security Gateway (SGW) Pass-Thru Bypass Harness

Essential diagnostic and tuning tool designed to bypass the factory Security Gateway Module (SGW) found in 2018 and newer Ram Cummins trucks.

Constructed with high-quality, heat-resistant, and impact-resistant materials to ensure long-term durability and reliable performance under harsh conditions.

Allows full OBD-II access for flashing custom tuning, such as EFILive CSP5, or utilizing EZ-LYNK for features like tire size calibration and remote start activation.

Fully maintains all normal OBD-II diagnostic functionality, ensuring you can still perform vehicle scans and maintenance tasks.

Versatile solution: ideal for MM3 tuning, troubleshooting a failed security module, or providing unrestricted communication with the truck’s PCM for aftermarket upgrades.

Non-permanent, reusable design allows for quick installation and removal, making it a convenient tool for any performance enthusiast or technician.

Fits: 2018-2023 Ram 2500 / 3500 pickup trucks equipped with 6.7L Cummins diesel engines.