Get the most out of your diesel with our Shift-On-The-Fly switches and bypass cables. Swap tunes or clear security locks without ever shutting off the engine—ideal for towing, hauling, or dialing in power on the road.
Choose Your Gear
-
CSP5 SOTF Switch (2006–2018 RAM Cummins)
Plug-and-play OBD-II connector. Works with MM3, EFILive®, and EZ Lynk® (2018+ models require the bypass cable). -
Bypass Cable (2018–2021 RAM Cummins)
Needed for flashing CSP5 tunes, tweaking EZ Lynk®, or getting past factory security on newer trucks. -
CCV SOTF Switch (2019–2021 Cummins & 2016–2019 Titan XD)
Flip between four or five custom tunes in seconds. Includes Valet Mode for limited access. Compatible with EFI Live and EZ Lynk®. -
2018+ RAM Bypass Cable
Plugs straight into SCT or MiniMaxx V2 tuners for full ECM control, data logging, and uninterrupted tuning on all 2018+ Cummins pickups.
Compatibility Snapshot
| Model Years | CSP5 Switch | Bypass Cable | CCV Switch |
|---|---|---|---|
| 2006–2017 RAM | ✅ | ❌ | ❌ |
| 2018 RAM | ✅ | ✅ | ❌ |
| 2019–2021 RAM | ❌ | ✅ | ✅ |
| Pre-2013 Cummins | ✅* | ❌ | ❌ |
* Older Cummins engines use the CSP5 switch without a cable.
Why These Kits?
-
Simple Install: Clear instructions and plug-and-play connectors get you on the road fast.
-
Rugged Build: Heavy-duty wiring and components stand up to tough jobs.
-
Wide Tuner Support: Compatible with EFILive®, Autocal V3, MM3, Smarty, HP Tuners® L5P SOTF, and more.
-
On-The-Fly Tuning: Change performance profiles without a trip to the shop.
Before You Buy
All SOTF switches and cables are final-sale. Confirm your truck’s year and engine size to guarantee a perfect match. Don’t forget to read our Terms & Conditions and Shipping Policy before placing your order.
Off-Road Use Disclaimer:
All items offered on this site are engineered strictly for off-road, competition, or closed-course use. They are not certified for street use where emissions compliance or environmental regulations are enforced.
Legal Compliance Reminder:
Before buying or installing any component, consult your local and regional laws to ensure that these upgrades are permitted in your jurisdiction. Some modifications may be restricted or prohibited.
Installation Advisory:
Due to the technical nature of these parts, we highly advise having them installed by experienced automotive professionals. Incorrect installation can result in vehicle malfunction or damage. Unless otherwise noted on a product’s page, installation guides are not included. These products are meant for those with advanced mechanical expertise. As with most universal or aftermarket parts, slight modifications may be necessary to complete installation. We cannot process returns or issue refunds based on installation challenges or lack of instructions.
Vehicle Warranty Notice:
Installing these components will likely void your factory vehicle warranty. Always verify with your manufacturer before proceeding.
Limitation of Responsibility:
dpfdeletetunes accepts no liability for damages, performance issues, or failures resulting from the use or misuse of any products sold.
Product Visuals Disclaimer:
Images displayed are for general reference only. Actual product appearance may vary due to ongoing design changes or manufacturer revisions.
Performance Disclaimer:
While our products are built to support enhanced vehicle performance, individual results will vary. We do not guarantee specific horsepower gains or performance improvements.
Weather Delays:
Although we strive to process and ship orders swiftly, extreme weather conditions—such as heavy rain, snow, or ice—can impact delivery schedules. Please know that we’ll do everything possible to work around these disruptions and minimize any delays.
Holiday Closures:
Our team takes necessary breaks during recognized holidays, during which our shipping operations will be paused. Shipments will resume the next business day. During high-demand holiday seasons, slight delays may occur, but we’ll keep you updated and prioritize getting your order out as quickly as possible.
Team Capacity:
Occasionally, unexpected events may affect staffing levels. While rare, this can result in minor delays. Rest assured, we’re always working behind the scenes to maintain smooth operations and uphold our service standards.
We sincerely value your patience and understanding when unpredictable challenges arise. Our goal remains the same: to get your performance parts to you as quickly and reliably as possible.
Thank you for choosing dpfdeletetunes—where dedication meets performance.