SGM Bypass Cable for 2018+ Cummins 6.7L & FCA Vehicles
Unlock full OBD-II communication on your 2018+ RAM Cummins and FCA vehicles. This essential Security Gateway Module (SGM) bypass cable eliminates factory restrictions, allowing aftermarket tuners, scanners, and accessories to function seamlessly.
The Problem:
Starting in 2018, Fiat Chrysler Automobiles (FCA) implemented a Security Gateway Module (SGM) that locks down the OBD-II port. This security measure prevents aftermarket devices—such as code scanners, tuning tools, and monitoring steps—from communicating with the vehicle, rendering them useless.
The Solution:
This SGM Bypass Cable (also known as a Security Module Bypass) physically bridges the connection around the factory security block. Once installed, it restores open communication to the OBD-II port, ensuring your aftermarket upgrades work exactly as intended.
Key Features & Benefits:
• Bypasses FCA Security: Overcomes the 2018+ OBD-II firewall to allow write access and bi-directional controls.
• Essential for Tuning: Required for use with popular tuning platforms like EFILive, EZ Lynk, and MM3.
• Accessory Compatibility: Enables the operation of Edge CTS monitors, Amp Research PowerSteps, and advanced diagnostic scanners.
• Plug-and-Play: Designed for straightforward installation without permanently altering factory wiring.
• Retains OBD-II Function: Once installed, the OBD-II port functions normally for standard diagnostics and emissions testing.
Vehicle Fitment:
• 2018+ RAM 2500/3500 w/ 6.7L Cummins Diesel
• Universal FCA Application: Compatible with various 2018+ Fiat Chrysler vehicles equipped with the Security Gateway Module.