Speedometer Calibrator - Jeep/Ram
Speedometer Calibrator | Multiple Makes & Models (Jeep/Ram)
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.
Vehicle fitment & tire options
Vehicle fitment
- 2018-2018 Ram 1500 (2WD)
- 2018-2018 Ram 1500 (4WD)
- 2020-2023 Jeep Gladiator (4WD)
- 2018-2023 Jeep Wrangler (4WD)
Features & product video
- 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.
Product specifications
Product category: Performance
Manufacturer: Rough Country
Manufacturer part number: 90019
UPC: 843030152109
Country of origin: United States
Dimensions (H × W × L; units not supplied): 2 × 5 × 6.75
Manufacturer-listed weight: 0.85 lbs
Product notes & installation
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.Estimated installation time: 5-10 minutes
Refund Policy
Returns accepted within 30 days of purchase. Items must be unused, in original packaging, and include proof of purchase. Restocking fees may apply. Non-returnable items: custom orders, electrical parts, and used products. For full details, visit our Refund Policy page.
