Rough Country 90019 Speedometer Calibrator Multiple Makes & Models (Jeep/Ram)
Questions about fitment? Live chat or call 866-235-4715
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- Free shippingMost orders $500+
- 30-day returnsSee policy
- Warranty supportWe work with the maker
Questions about fitment?
Talk to a TRU specialist
We’ll help you verify fitment before you buy.
Veteran-owned · Austin, Texas · Mon–Fri 9:30a–11:00a & 1:00p–5:30p CT
Important notes before you order
- Download the latest software update here .
- Does not work on models with adaptive cruise control.
- Does not work on 2.
- 0/3.
- 6l hybrid models.
- Does not work on 392 models.
- This programmer is designed to function as a standalone unit and is not compatible with any type of performance programmer.
- 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 vehicles until the programmed vehicle is returned to stock settings.
- Emissions certifications: not for sale or use in california.
Specifications
| Brand | Rough Country |
|---|---|
| Part number | 90019 |
| UPC / GTIN | 8430301521090 |
| Install time | 5-10 minutes |
| Dimensions | 6.75 x 5.0 x 2 |
| Weight (lbs) | 0.85lbs |
| Country of Origin | USA |
| Warranty | Manufacturer’s Warranty Statement |
Features
- Accurate speedometer readings: corrects your speedometer to display true speeds after installing larger tires.
- Simple plug-and-play setup: installs easily with no cutting, splicing, or complex programming required.
- Optimized shift points: updates your vehicle's ecm to maintain smooth, factory-quality shifting with oversized tires.
- Enhanced stability control: recalibrates your electronic stability control system for reliable handling and performance.
- Diagnostic code reader: reads and clears trouble codes, including "check engine" lights, for quick issue resolution.
- Restore to stock anytime: easily revert your vehicle to factory settings whenever you choose.
- Backed by a 1-year warranty: includes reliable protection and support from rough country.
Fitment
| Years | Vehicle |
|---|---|
| 2018-2018 | 2WD Ram 1500 |
| 2020-2023 | 4WD Jeep Gladiator JT |
| 2018-2023 | 4WD Jeep Wrangler JL (2 Door) |
| 2018-2023 | 4WD Jeep Wrangler JL Unlimited |
| 2018-2018 | 4WD Ram 1500 |
Use the fit check above with your truck selected, or ask a specialist if your trim isn't listed.
Installation
- Estimated install time5-10 minutes
Free install support from the Trucks R Us tech team, for you or your shop.
Overview
Restore Accuracy After Bigger Tires: Put the finishing touch on your lifted ride with Rough Country's Speedometer Calibration Device. Designed for larger tire setups, this easy-to-use calibrator ensures your speedometer displays true readings - no more guessing your actual speed. Plug-and-Play Simplicity: Installation is quick and hassle-free. Just connect the device to your vehicle's Diagnostic Link Connector Port and in minutes your speedometer, shift points, and stability control are all recalibrated to factory precision. Optimized Performance and Control: Unlike simple readout changes, Rough Country's calibrator updates your vehicle's ECM to maintain accurate shift timing and reliable electronic stability control, keeping your driving experience smooth and safe. Built-In Diagnostic Reader: Manage "check engine" and "service" lights with ease. The calibrator reads and clears diagnostic trouble codes and even allows you to return to stock settings whenever needed - perfect before servicing your vehicle. Reliable and Backed by Warranty: Enjoy peace of mind knowing your investment is protected by Rough Country's 1-Year Warranty. Get professional-grade calibration and full system compatibility at an unbeatable value.
Questions
Will this fit my truck?
Select your truck at the top of the page and the fit check will confirm it. If your exact trim is not listed, call 866-235-4715 or live chat and a fitment specialist will check it before you order.
Do you help with installation?
Yes. Our technical team helps you or your shop with installation and troubleshooting after delivery, on top of the manufacturer’s support.
What if the part has a problem?
We work the warranty claim with the manufacturer on your behalf, within the manufacturer’s warranty policy.
Can I return it?
Most items can be returned within 30 days. See our return policy for details.
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About Rough Country
Rough Country is a leading manufacturer and distributor of off-road accessories and suspension systems. Built on a foundation of American values and rooted in Tennessee, we use our expertise of trucks, Jeeps, and UTVs to help people drive their passions... Shop all Rough Country