2007.5-2021 6.7L Cummins CSP5 5-Position EFI Live Tuning Switch

Upgrade your driving experience with this 2007.5-2021 6.7L Ram Cummins Fish Tuning CSP5 5-Position EFI Live Tuning Switch. Designed for seamless On-The-Fly tune switching without the hassle of reflashing your ECM.

Switch-On-The-Fly Convenience: Change between pre-loaded tune levels instantly from the driver's seat without stopping to reflash the ECM.

Clean OBD-II Pass-Through: The included pass-through Y-cable installs securely behind the dash, keeping your factory OBD-II port free for monitors and diagnostic tools.

EFI Live CSP5 Compatibility: Specifically designed to work with custom EFI Live CSP5/SOTF tuning configurations on supported Cummins applications.

Built-In LED Tune Indicator: Integrated LED indicator confirms your active tune position at a glance for quick, reliable reference.

Durable Rotary Switch Design: Features a knurled aluminum knob, clear position decal (1–5), anti-rotation washer, and strain-relief zip ties for a professional installation.

Fits: 2007.5–2021 6.7L Dodge Ram 2500, 3500, 4500, and 5500 engines (Note: 2018+ Ram trucks require a Cummins Security Gateway Bypass Cable to flash the ECM and use SOTF switches).