Speedometer Calibrator | Chevy/GMC 1500/2500HD 2WD/4WD
Sold & installed by an Authorized Rough Country Dealer
Does it fit? Listed for 11 vehicles (Chevy, GMC). Pick your vehicle to check.
Fits your
Not listed for your . See parts that fit it or call us to check.
- Fits gas & diesel 1500 models / gas & diesel 2500/3500 models.
- Resets your speedometer to accurate readings for larger tires.
- Easy Plug and Play connection.
- Updates OE ECM Shift Points to accommodate larger tires.
Install time: 5-10 minutesDownload the latest software update here.Emissions Certifications: Not for sale or use in California.
Call or request a quote for today’s price and installation.
- Authorized Rough Country dealer
- Installed at our Silver Star Rd shop
- No-credit-needed financing
About the Speedometer Calibrator | Chevy/GMC 1500/2500HD 2WD/4WD
Put the finishing touch on your lifted vehicle with Rough Country’s Speedometer Calibration Device! This easy-to-use Speedometer Calibrator helps you quickly and easily reprogram your vehicle’s speedometer to match the output of your larger tires.
Before reprogramming your speedometer, please download the latest software here!
Notes
- Download the latest software update here.
- Emissions Certifications: Not for sale or use in California.
- 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.
Does NOT fit 2022 refresh models.
This kit does NOT fit 2022 Chevy/GMC refresh models with the below frontend styles.
Features
- Fits gas & diesel 1500 models / gas & diesel 2500/3500 models.
- Resets your speedometer to accurate readings for larger tires.
- Easy Plug and Play connection.
- Updates OE ECM Shift Points to accommodate larger tires.
- Recalibrates Electronic Stability Control to work with larger tires.
- Option to return to stock settings.
- 1-year warranty.
What’s in the Box
Included
- (1) Speedometer Recalibrator
- (1) USB Update Cable
Specifications
| Brand | Rough Country |
|---|---|
| Type | Performance Parts |
| Part number | 90045 |
| Est. Install Time | 5-10 minutes |
| Rear Gear | No |
Vehicle Fitment
11 vehicles listed by Rough Country. Always confirm drive type and trim before you order.
| Years | Make | Model | Details |
|---|---|---|---|
| 2019–2021 | Chevy | Colorado | — |
| 2019–2021 | Chevy | Silverado 1500 | — |
| 2019–2021 | Chevy | Silverado 1500 Custom Trail Boss | — |
| 2019–2021 | Chevy | Silverado 1500 LT Trail Boss | — |
| 2020–2023 | Chevy | Silverado 2500 HD | — |
| 2019–2021 | GMC | Canyon | — |
| 2019–2022 | GMC | Sierra 1500 | — |
| 2019–2022 | GMC | Sierra 1500 AT4 | — |
| 2022 | GMC | Sierra 1500 AT4X | — |
| 2019–2022 | GMC | Sierra 1500 Denali | — |
| 2020–2023 | GMC | Sierra 2500 HD | — |
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