2018+ Dodge Ram 2500 3500 6.7L Cummins OBD2 HD Security Gateway Bypass Cable
Constructed from premium, high-temperature resistant cabling to withstand demanding heavy-duty truck environments.
Engineered to bridge the factory security firewall, making the vehicle fully compatible with various performance and diagnostic platforms.
Enables a direct, hassle-free connection with any standard OBD-II diagnostic code reader or scan tool.
Allows seamless electronic adjustments, such as changing tire sizes and calibrating speedometers via EZ Lynk.
Serves as a critical bypass link for MM3 tuning hardware if your factory security module experiences a failure.
Provides the required security network access needed for calibrating and integrating AMP Research power side steps.
Maintains full OEM functionality of the OBD-II port without altering or damaging factory vehicle electronics.
Designed for total flexibility—can be used as a temporary link for quick programming changes or left in place, requiring no permanent modification.
Fits: 2018-2026 Dodge Ram 2500 / 3500 HD 6.7L Cummins Diesel trucks.

