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SOTF Switches and Cables for Ram/Nissan Cummins (2006-2024)

Sku: FT18-21

This product fits:

2018-2021 Dodge Ram Cummins 6.7L 2500 / 3500
Regular price
$44.00
Regular price
Sale price
$44.00
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Shipping calculated at checkout.
Product Addons: RAM Cummins EFI Bypass Cable (2018-2021)

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Notification for the incorrect product/variant will be listed here.

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Within the device vehicle info section, look for the value with the text containing "14C204":
HC3A-14C204-ABH

Once you receive the device, please contact us with your serial number, VIN, and ECU strategy so we can create the custom tunes and send it to you for tuning your vehicle.

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Black Bandit Series 3 material image
T304 Stainless Steel

The Purest Stainless Steel used in Exhaust System Manufacturing

rust resistant icon

High Rust Resistance

Lasts up to 20+ years icon

Lasts Up To 20+ years

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Looks Better

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T409 Stainless Steel

The Standard Stainless Steel used in Exhaust System Manufacturing

rust prone icon

Low Rust Resistance

Lasts up to 20+ years icon

Lasts Up To 5-8 Years

Looks better icon

Looks Dull

Attention

A 2022 Cummins Tune Package was added to your cart. This tune is a beta tune that may cause the following:

  • Low power
  • Poor fuel mileage
  • Engine codes that may appear
  • Poor shifting characteristics

For a tested and proven tune, please view our Ram Cummins 6.7L All-in-One DPF/DEF/EGR Delete Kit w/ECM Swap (2022-2024)

Attention

You have added a product to your cart that requires the Service. This required additional service is NOT included in the price shown on TunerDepot.com. This means that you will be required to pay for the Service in addition to the product you have just added to the cart.

RAM/Nissan Cummins Tuning Cables and Diesel Switches

This product page offers a complete selection of RAM Cummins cables and SOTF switches designed to support modern diesel tuning platforms. Each variant is engineered for specific ECM generations, model years, and tuning devices to support reliable communication, safe operation, and proper calibration control.

All variants listed below are sold individually. Correct selection is required to maintain ECM integrity and avoid compatibility issues.

Available Variants and Technical Overview

  1. Dodge RAM Cummins CSP5 SOTF Switch

    Model Years: 2006–2021
    SKU: AC-CSP5-CUMMINS

    This CSP5 SOTF switch enables Shift-On-The-Fly calibration changes through supported tuning platforms and is designed for earlier Cummins ECM architectures prior to CM2450.

    • Compatible with EFILive, MM3, Autocal V3, and Smarty
    • OBD-II based installation
    • Supports multi-level tuning control without reflashing
    • For 2018–2021 models, a compatible bypass cable is required for flashing

  2. Dodge RAM Cummins EFI Bypass Cable

    Model Years: 2018–2021
    SKU: FT18-21

    This RAM Cummins bypass cable is required to bypass the factory security gateway introduced on late-model trucks.

    • Required for flashing and tuning access on 2018–2021 RAM Cummins
    • Supports CSP5, EFI Live, and compatible tuning devices
    • Maintains normal OBD-II functionality during operation
    • Designed for permanent installation

  3. Dodge RAM Cummins EZ Lynk AutoAgent 3 Bypass Cable

    Model Years: 2018 and newer
    SKU: AC-EZ-RAM-BP

    This variant supports EZ Lynk AutoAgent 3 users requiring uninterrupted ECM communication.

    • Required for EZ Lynk tuning and diagnostics on 2018+ RAM Cummins
    • Enables flashing, live data, and monitoring
    • Vehicle-specific fitment for RAM Cummins platforms

  4. RAM Cummins MiniMaxx V2 Bypass Cable

    Model Years: 2018 and newer
    SKU: AC-A42215

    This bypass cable is engineered for MiniMaxx V2 tuning systems.

    • Direct ECM communication for MiniMaxx V2
    • Required for tuning access on 2018+ RAM Cummins
    • Supports monitoring and data logging functions

  5. Cummins CCV SOTF Switch for Dodge RAM and Nissan Titan XD

    Dodge RAM: 2019–2021
    Nissan Titan XD: 2016 and newer
    SKU: AC-CSP5-TITAN

    This CCV SOTF switch uses the crankcase ventilation sensor for calibration selection.

    • Compatible with EFI Live and EZ Lynk
    • Supports 4–5 selectable calibrations
    • Includes restricted-access calibration option
    • Designed for 6.7L Cummins platforms

  6. Nissan Titan XD Cummins EZ Lynk 2.0 Flash Cable

    Model Years: 2016–2019
    SKU: DT-SW-NIS-T16-AA2

    This cable supports tuning on Titan XD Cummins vehicles using EZ Lynk AutoAgent 2.0.

    • Required for flashing and tuning access
    • Designed specifically for the 5.0L Cummins platform
    • Vehicle-specific connector configuration

  7. Nissan Titan XD Cummins EZ Lynk 3.0 Flash Cable

    Model Years: 2016–2019
    SKU: DT-SW-NIS-T16

    This variant supports newer EZ Lynk AutoAgent 3.0 devices for Titan XD applications.

    • Enables tuning, diagnostics, and live data access
    • Designed for Cummins Titan XD ECM architecture
    • Plug-and-play installation

  8. RAM Cummins CM2450 Diesel Switch

    Model Years: 2019–2024
    SKU: AC-DSP5-CM2450

    This CM2450 diesel switch is designed for trucks equipped with the CM2450 ECM.

    • Six-position integrated hardware switch
    • Enables map switching without reflashing
    • Designed exclusively for CM2450 ECM systems
    • Not compatible with CSP5 or CCV-based tuning

Installation and Fitment Responsibility

All components listed require correct ECM identification and tuner compatibility. Improper selection may result in loss of tuning access or incomplete functionality. Installation should be performed by qualified personnel familiar with diesel tuning systems.

Important Notes

  • All Cummins tuning cables and switches are final sale.  Ensure you have chosen the correct product for your vehicle's model and year to guarantee seamless integration and performance. 
  • No software or tuning files are included
  • Make sure to review all policies, including our shipping guidelines, before completing your purchase.

Related Tuning Packages

Important Product Information

Off-Road Use Only: The products sold on this website are intended for off-road use only, and may not be legal for use on public highways where pollution control laws apply.

Check Local Laws: Before purchasing and installing any of these parts, please check your local and state laws to confirm whether the modifications are legal in your area.

Professional Installation Recommended: These kits and parts are strongly recommended to be installed by professional mechanics only. Improper installation may lead to performance issues or damage to your vehicle. Unless specified differently on the product page, our parts do not include installation instructions. They are intended for individuals with a proficient understanding of mechanical systems and procedures. Like many aftermarket parts compatible with a variety of vehicles, minor adjustments or modifications may be necessary during the installation process. We cannot accept returns or offer refunds on the basis of an inability to complete the installation due to the absence of instructions.

Warranty: The use of these parts will void the warranty of your vehicle. Please confirm with your vehicle manufacturer before purchase and installation.

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Product Images: Product images are for illustrative purposes only and may differ from the actual product due to manufacturer design changes or improvements.

Returns & Refunds: All sales of exhaust pipes, straight pipes, and engine pipes are final and Non-Returnable and Non-Refundable.

No Performance Guarantees: While these parts are designed to enhance the performance of your vehicle, no guarantees are made regarding the specific performance gains that will be achieved.

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Our Shipping Policy: Our aim is to dispatch all orders within two business days, providing you with a quick and efficient processing time. However, unforeseen circumstances beyond our control may occasionally impact shipping times.
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We genuinely appreciate your understanding and patience during any unexpected obstacles. Be assured that we will utilize every resource available to deliver your performance parts promptly.