The Rough Country Speedo Calibrator is a switches & electronic. Fits gas & diesel 1500 models / gas & diesel 2500/3500 models. Installation takes about 5-10 minutes. It is covered by Rough Country's 1-year warranty.
At a Glance
- Brand: Rough Country
- Part Number: 90045
- Product Type: Switches & Electronics
- Installation Time: 5-10 minutes
- Warranty: 1-year warranty
- Country of Origin: United States
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
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.
Installation Instructions
Download the installation instructions (PDF)
Fitment
- Chevy Silverado 1500 (2019-2021)
- Chevy Silverado 1500 LD (2019)
- Chevy Silverado 2500 HD (2020-2023)
- GMC Canyon (2019-2021)
- GMC Sierra (2019-2022)
- GMC Sierra 1500 (2019-2022)
- GMC Sierra 1500 Limited (2019, 2022)
- GMC Sierra 2500 HD (2020-2023)
Part Numbers
- MPN 90045 ยท UPC 843030159559
