Restore Speedometer Accuracy for Larger Tires: Complete your lift upgrade with Rough Country's Speedometer Calibration Device. Specifically engineered for lifted vehicles with oversized tires, this easy-to-use calibrator reprograms your speedometer to deliver precise, true-speed readings, eliminating guesswork on the road or trail. Seamless Plug & Play Installation: Installation is fast and hassle-free thanks to a simple plug and play connection through your vehicle's Diagnostic Link Connector Port. In just a short session, your speedometer is recalibrated to match your new tire size without the need for complex tools or programming knowledge. Enhanced ECM Shift Point Adjustments: This advanced device doesn't just update your dashboard, it updates your vehicle's ECM to optimize transmission shift points. That means smoother shifting performance tailored to your new tire configuration for a more refined driving experience. Maintains Electronic Stability Control Performance: Rough Country's calibrator also recalibrates your Electronic Stability Control system, ensuring your vehicle retains factory-intended handling and safety even after upgrading to larger tires.Convenient Return to Stock Settings: Need to revert back to factory calibration? The device includes an easy reset feature that lets you restore stock settings anytime, ideal for vehicle servicing. Warranty-Backed Peace of Mind: Backed by Rough Country's 1-Year Warranty, you can recalibrate with confidence knowing your investment is protected.
Speedometer Calibrator - Inline - Ram 1500/2500/3500 2WD/4WD (2019-2023)
| Brand | Rough Country |
|---|---|
| Part Number | 90047 |
| Installation Time | About 2 hours |
| UTV Product | N |
| Weight | 1 lbs |
| Year(s) | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2019-2023 | Ram | 1500 | HFE | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2023 | Ram | 1500 | Laramie | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2023 | Ram | 1500 | Limited | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2021-2023 | Ram | 1500 | Limited Longhorn | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2023 | Ram | 1500 | Lone Star | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2023 | Ram | 1500 | Rebel | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2023 | Ram | 1500 | Tradesman | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2023 | Ram | 1500 | Big Horn | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2023 | Ram | 1500 Classic | Tradesman | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2023 | Ram | 2500 | Big Horn | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2023 | Ram | 2500 | Laramie | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2023 | Ram | 2500 | Limited | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2021-2023 | Ram | 2500 | Limited Longhorn | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2023 | Ram | 2500 | Lone Star | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2023 | Ram | 2500 | Power Wagon | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2023 | Ram | 2500 | Rebel | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2023 | Ram | 2500 | Tradesman | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2023 | Ram | 3500 | Big Horn | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2023 | Ram | 3500 | Laramie | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2023 | Ram | 3500 | Limited | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2021-2023 | Ram | 3500 | Limited Longhorn | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2023 | Ram | 3500 | SLT | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2023 | Ram | 3500 | Tradesman | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2022 | Ram | 3500 | Lone Star | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2021 | Ram | 1500 | Laramie Longhorn | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2021 | Ram | 1500 | Longhorn | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2020-2021 | Ram | 1500 | Special Service | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2020-2021 | Ram | 1500 Classic | Special Service | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2021 | Ram | 2500 | Laramie Longhorn | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019-2020 | Ram | 3500 | Laramie Longhorn | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019 | Ram | 1500 Classic | Big Horn | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019 | Ram | 1500 Classic | Laramie | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
| 2019 | Ram | 1500 Classic | Lone Star | "Download the latest software update here. Fits both gas and diesel models. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Does NOTfit 2020+ models with parking assist. Does NOT fit models with digital instrument cluster. Emissions Certifications: Not for sale or use in California. Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicle." |
Own this? Tell other truck owners how it fits and holds up. Write the first product review
Every review below is a verified Google review of an H&H store — written by real customers about the people who sold, fitted and stood behind their gear.
Fast, friendly service! Eric was a pleasure to work with in taking care of an insurance claim for my damaged truck bed topper for my 2007 Ford F150. The new topper was delivered and installed the very next day! It looks great...a lot better than the one I had on there!!! I highly recommend Leer Truck Accessories of Conyers for all your truck accessory needs!
I understand now why LEER has such high reviews. Blake and Justin create an environment that is completely stress free. Their knowledge and communication skills are top notch. My trailer hitch install was complete in less than an hour. Make the call, you won't be disappointed!!
Great team great work highly recommend!
Everyone was professional and courteous.. It was a very pleasant experience. I am very impressed with my treatment and the product and won’t hesitate to return. Highly recommend.
This place is the best, customer service is exceptional, they install steps for my denali , twenty five hundred h d, they have installed rock lights on my truck, i am very happy with this company.
Wonderful people to work with. I have had both a Tono cover and mudflaps installed. They even helped finish up a taillight installation that I almost completed. These are the best people that I know to go get anything for your truck. I would recommend them highly!
Called the night before for a repair on the trailer. They were there at the exact time they said they would be and was very quick with the service. The technicians were very kind and polite, they even explained some parts and how they worked. Will definitely be back if i have any issues in the future when in the area.
Good job done. Friendly and fast. What else could I ask for.
I recommend for anyone needing upgrades to their vehicle. I was in and out in an hour for my lightning installation. I'll be back.
Great customer service and great work on my truck. Kim and the team were exceptional every visit
Did a great job putting a hitch in my truck
Very nice place to do business with
Just left this place and I was thoroughly impressed! Justin and Andrew were professional and knowledgeable. Thank you guys, I’m really happy with my new cam locker box.
This crew was run by Justin and a couple more worker. They were extremely friendly and super professional and efficient at their job. I am extremely pleased with the finished job and can’t say enough good about this product.
If you want amazing customer service definitely go here! They were extremely helpful! Thank you!!!!
Very friendly service very helpful
I purchased a roll up cover that came damaged from the factory. Jim was able to kindly replace my broken part with another one. Exceptional customer service.
Ordered a half cover for the bed of my F-250. The cover arrived the next morning. Appointment to install so I could watch it being completed, so I can remove later. The young man that sold me the cover as well as installed the cover was absolutely great. He explained everything patiently with excellent communication skills and instruction. This was a very pleasant experience THANKS!
Great work!!
Fast! My order was ready, and installed in less than 24hrs! (Would have been sooner but I had to wait till next day) Staff was very friendly, will definitely be back!
Luke went out his way to make sure we had enough space for the delivery for our new shed!! Thanks Luke! You're awesome!!!!!!!
Had the pool parts we needed and a lot of other things!
Every employee was very helpful, kind and went out of their way to help me.
Guys did an awesome job get'n my A.R.E. cap connected to my 2026 Chevy that I removed from my 2021 Chevy. Super nice guys in the shop as well!! Looking forward to doing more business with these gentlemen!
Reviews of H&H Truck & Outdoor stores, sourced from Google. They rate our stores and service, not this individual product.
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