HP Tuners Remote Tuning Device - RTD+ Gen 4

Simplify Your Tuning Experience
Are you looking to enhance your Ford's performance without the hassle of bulky tuning devices or messy cables? The HP Tuners RTD+ Gen 4 is your perfect solution.

Advanced Technology at Your Fingertips
Built on the trusted and renowned MPVI2 platform, the RTD seamlessly plugs into your vehicle's OBDII port. This compact yet powerful module allows you to load a tune effortlessly using HP Tuners' TDN network.

Easy and Convenient Tuning
Forget about needing a laptop—tuning your vehicle has never been easier. With the RTD4, you can use your iOS or Android smartphone to make adjustments on the go, ensuring your Ford is always performing at its best.

Compatible with many 2023, 2024, and 2025 Ford Models. No PCM unlock or swap required.

Looking for a tuner with MPT Custom Tunes? CLICK HERE

Vendor: HP Tuners
SKU: RTD-Gen4
Availability: 29 In Stock
$ 324.99 USD
On-Sale $ 324.99 USD
Normally $ 349.99 USD
Save $ 25.00
Better hurry, only 29 left in stock.

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This product is NOT CARB-APPROVED. We cannot ship this item to CA or any Carb regulated states. To avoid cancellation fee, do not order this if you live in California.
UPC: 850014461492
  • More Power Tuning
  • More Power Tuning

Proposition65 Warning: Cancer and Reproductive Harm

Looking this RTD4 with MPT Custom Tunes? CLICK HERE


HP Tuners RTD4 Remote Tuning Device – Gen 4 / RTD+4 Smartphone-Based OBD2 Interface

The HP Tuners RTD4 is a Gen 4 remote tuning device designed for Ford owners who want a simple, cable-free way to load custom tunes. The RTD4, also commonly referred to as the HP Tuners RTD Gen 4, RTD 4, RTD+4, the HPTuners RTD4, or the RTD4 Analog Input device, plugs into the OBD2 port and connects to the TDN app on your iPhone or Android. No laptop needed, no bulky hardware, and no PCM swap required for supported Ford models. It’s a clean, streamlined way to handle tuning directly from your smartphone.

Built off the same core platform as the MPVI2, this RTD device keeps everything simple for remote tuning while still offering the data logging and diagnostic tools Ford owners expect.

What the RTD4 / RTD Gen 4 Does

  • Load custom tunes through the TDN app

  • Send your stock file directly to your tuner

  • Read and clear Diagnostic Trouble Codes (DTCs)

  • Support data logging

  • Handle gear ratio and tire size corrections (requires a laptop)

  • Operate as a compact, plug-and-play OBD2 tuning interface

  • Tune any HP Tuners–supported vehicle with added credits

***VCM Editor is not supported.

Key Features of the HP Tuners RTD4 (RTD+4)

  • Works with many 2023, 2024, and 2025 Ford models

  • No PCM removal or unlock required for supported vehicles

  • Uses the OBD2 port for flashing

  • Fully compatible with HP Tuners VCM Scanner and Pro Feature Set

  • Works with the iOS and Android TDN App

  • Allows tune downloads and uploads directly from a smartphone

  • Compact, reliable hardware built on MPVI-based technology

  • Includes RTD4 Analog Input support

  • Can be used on any HP Tuners–supported platform with credits

FAQ

Is the RTD4 the same as the RTD+4 or RTD Gen 4?
Yes. These are all common names for the same HP Tuners remote tuning interface.

Does this RTD device require a PCM swap?
No. Supported Ford applications do not require PCM unlocking or removal.

Can the RTD4 tune my vehicle without a laptop?
Yes. Loading tunes, sending stock files, and communicating with your tuner all work through the TDN app.

Is the RTD4 the same thing as the MPVI2?
It shares the same foundational technology but is built specifically for remote tuning through the TDN network.

Can the RTD4 work on multiple vehicles?
Yes. You simply purchase credits for each vehicle you tune.

HPTuners RTD4 New supported models include:

  • 2021-2025 Ford F-150 2.7L, 3.5L, 5.0L
  • 2021-2025 Ford Raptor 3.5L
  • 2022-2024 Ford Expedition 3.5L
  • 2022-2024 Ford Navigator 3.5L
  • 2021-2025 Ford Bronco 2.7L
  • 2022-2025 Ford Bronco Raptor 3.0L
  • 2022-2025 Ford Ranger Raptor 3.0L
  • 2024-2025 Ford Mustang GT 5.0L (S650) (Including Dark Horse)
  • 2023 Ford F-150 Raptor R 5.2L

Please Note: No tunes, preloaded or custom, or HP Tuners credits come with the purchase of this HPTuners RTD4 analog input device. To use this RTD 4, you will have to purchase MPT Tunes and/or HP Tuners credits.

 

How to Datalog with the RTD4 and the TDN App.

Shipping Policy

MPT is proud to offer free shipping on most orders over $149.

  • Free shipping applies only to the contiguous United States. Shipping and handling charges will apply to orders outside the contiguous US, and the buyer is responsible for any duty fees or taxes their home country may charge to import goods.
  • With free shipping, we will choose the best shipping method for your order. We use all major carriers, including USPS, FedEx, UPS, and DHL.

Turnaround Times:

  • MPT Tunes have a standard turnaround time of 2-3 business days, beginning once we receive your MPT Tune Form.
  • We do not process orders on weekends or observed holidays, which do not count as business days.
  • Physical items that are in stock at MPT and ordered by 4PM EST will be shipped the same day. Orders placed after 4PM EST will be processed on the following business day.

Special Considerations:

  • Items not stocked at our location will follow the same processing times but may experience lead-time delays and could incur additional charges. Shipping methods may vary for these items based on what was paid and the requested delivery speed. If you need an item by a specific deadline, please contact an MPT Expert.
  • SCT Tuner Orders with the Prioritized Order option must have their tune forms submitted by 3PM EST to be completed the same day. Forms submitted after this time will be processed the next business day.
  • Orders will ship to the billing address listed on your order. If paying by credit or debit card, we can only ship to the billing address. Contact an MPT Expert for assistance if you need a different shipping address.

MPT Performance Returns and Refund Policy

A Return Authorization Number is required for all returns. Please contact an MPT Expert to obtain an RA # before sending anything back to us for any reason.

MPT tuning charges and license fees are Non-Refundable. The sale is final when MPT has sent the tune file over email. This includes both new tune purchases and tune updates.

Products other than MPT tunes, digital products, and MPT decals may be returned within 30 days for any reason, provided that the product has not been installed and is in brand new, unused condition with the original packaging. Once a product has been installed it is non-refundable. We reserve the right to deny the return, should the product be received and it display signs of installation or unmentioned damage.

For vehicle programmers/tuners, the vehicle must be returned to stock if a program was installed. If a tuning device is returned and has not been returned to stock, a refund will not be issued, and your tuner will not be sent back without a shipping and handling fee.

The customer is responsible for all shipping charges incurred during the return process.

Amount Refunded:
•Returns post marked before 30 days from the date the item was received will be refunded the purchase price, minus a 25% restocking fee and the cost of shipping.
After 30 days, all sales are Final.
•Shipping charges along with any package insurance are non-refundable. If your purchase was shipped with our Free Shipping option, the cost of the shipping will be subtracted from the total refund amount.

HP Tuners Credits are assigned to the HP Tuners product with the submitted serial number and cannot be transferred. Once you load a tune to your vehicle with the RTD, these credits are Non-Refundable.

Digital products and files that have no ability to be taken back physically, such as an SCT Tuner Unlock, are Non-Refundable.

nGauge Tune License Fee is included in your initial purchase of MPT tunes for the nGauge. This fee is factored into the price of the tunes and becomes Non-Refundable when the stock file has been emailed to MPT.

MPT Decals are Non-Refundable, once they have been received by the customer.

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