2019-2025
2009-2018
2002-2008
Installation Time
(approx) 15 Minutes
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Hypertech Spectrum Speedometer Calibrator (18-23 RAM 1500)Find parts that fit my vehicle
Item R133607
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13 Reviews
Our Price
$239.95 each
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features
- Speedometer Calibrator
- Full Color Backlit LCD Screen
- Simple, Easy to Understand Interface
- Corrects Speedometer for Tire Size Changes
- Corrects Speedometer for Rear Gear Ratio Changes
- Reads/Clears DTC Trouble Codes
- Internet Updateable
- Straight Forward Plug and Play Installation
- Fits 2018-2023 RAM 1500 Models
Description
Corrects Speedometer / Odometer. If you have installed tires that are larger or smaller than original equipment tires, or if you have installed a ring and pinion gear set with a different rear gear ratio, Hypertech’s Spectrum Speedometer Calibrator allows you to correct your speedometer and odometer readings. The vehicle’s computer calculates your speed based on the diameter of the stock tires. If you’ve installed taller or shorter tires, or changed the rear gear ratio, the vehicle’s computer doesn’t know how fast your vehicle is actually going. As a result, the speedometer/odometer readings will not be accurate.
Diagnostics Tool. The Hypertech Spectrum Speedometer Calibrator can also be used as a diagnostic code reader. Save yourself time and money by reading and clearing your own Diagnostic Trouble Codes (DTCs) rather than paying a dealer to do the same. It's as easy as a few simple steps.
Easy to Load; Easy to Restore. When you make changes to your vehicle, the Spectrum Speedometer Calibrator automatically stores your vehicle's factory settings. To return to the original factory settings, just plug the Calibrator back in, select the option to restore the factory settings, and you're done. This is ideal for visiting dealerships for warranty work. Once you have the vehicle back from the dealership, reinstall the Spectrum Speedometer calibration as before. Please note that the Spectrum Speedometer Calibrator can only be used on one (1) vehicle at a time.
Internet Updateable. The Hypertech Spectrum Speedometer Calibrator comes with a USB cable and a CD containing software to enable quick updates over the internet. If your vehicle has a new calibration not available when your Hypertech Spectrum Speedometer Calibrator was manufactured, it is possible that you will see a “Cal not found” message on the screen. If this occurs, you can simply update your Spectrum Speedometer Calibrator with the correct new calibration via the internet. Simply connect the Spectrum Speedometer Calibrator (using the provided USB cord) to your computer and go to www.hypertech.com. Then click on the Support button to get update downloads.
Application. This Hypertech Spectrum Speedometer Calibrator is designed to fit 2018-2023 RAM 1500 models.
Fitment:
- 2018 Dodge Ram 1500
- 2019 Dodge Ram 1500
- 2020 Dodge Ram 1500
- 2021 Dodge Ram 1500
- 2022 Dodge Ram 1500
- 2023 Dodge Ram 1500
Hypertech 3400
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- Hypertech Spectrum Speedometer Calibrator
- USB Cable
- Compact Disc
3.9
Customer Reviews (13)
Review Summary
Installation Time: Less than 1 Hour
Apr 7, 2024
2021 Big Horn - MikeOMT
Installation Time: Less than 1 Hour
Worked well
Used this on 2021 Ram after installing larger tires. Worked well. Took a couple of times along with a speedometer app to get the truck dialed in.
Bang For Your Buck 4/5
Mar 12, 2024
2023 Big Horn - Fields
Installation Time: Less than 1 Hour
Works just like a champ
Purchased this item to correct my ram 1500 black widow speedometer. After having power steps put on it my speedometer was 4 mph slower than the actual speed I was driving. Installed the correct tire size and flashed the truck and the first time the forward and reverse sensors did not work so flashed it back to stock and then reflashed it to the correct tire size and worked like a champ.
Bang For Your Buck 5/5
Jan 26, 2024
2022 Big Horn - JamesRowell
Installation Time: Less than 1 Hour
Great tool to have!
I have other new code readers that won’t read my truck but this one will which is a bonus to being able to calibrate my speedometer after installing a lift and larger tires!
Bang For Your Buck 4/5
Aug 23, 2023
2019 Rebel - Marc72
Installation Time: Less than 1 Hour
Awesome!!!
This was very easy to install and took about 5 minutes. I would definitely recommend this to anyone who is changing their original tire height!
Bang For Your Buck 5/5
Dec 14, 2023
Disappointedals
Installation Time: Less than 1 Hour
Need better description on product
It programmed my tire size great. Super easy and fast, but it will disable your front and rear park sensors. I have 37-12:50 20’s on 2021 ram 1500 Laramie
Bang For Your Buck 2/5
Jun 28, 2023
Review shared from Hypertech Spectrum Speedometer Calibrator (07-17 RAM 1500)
2010 SLT - Malon
Installation Time: Less than 1 Hour
Good options for the Price
Worked well except had to choose a tire size smaller than what is on the truck to get the correct speed calibration. Other than that works as described.
Bang For Your Buck 4/5
Oct 18, 2023
Review shared from Hypertech Spectrum Speedometer Calibrator (18-23 RAM 2500)
2022 Tradesman - TRKER
Speedometer calibration
Waste of money, does not work on a 2022 ram that it claims. Says updates will be available but nothing has come out in over a year.
Bang For Your Buck 1/5
Aug 14, 2023
Review shared from Hypertech Spectrum Speedometer Calibrator (18-23 RAM 2500)
SPEED61
Installation Time: Less than 1 Hour
Easy
Followed the simple instructions, and it worked perfectly, picking tire size is a little subjective, took a couple of size changes to dial in the speedometer.
Bang For Your Buck 4/5
Jul 10, 2023
Review shared from Hypertech Spectrum Speedometer Calibrator (18-23 RAM 2500)
2023 Power Wagon - Flowermound
Not for my truck
Unit will not work with 2023 Ram 2500 with digital dash.
Bang For Your Buck 0/5
Jul 1, 2023
Review shared from Hypertech Spectrum Speedometer Calibrator (07-13 V8 Silverado 1500; 14-18 Silverado 1500)
2016 LT - Jyman88
Installation Time: Less than 1 Hour
Speedometer calibration
Plugged in and worked first time. Truck drives alot smother with everything being right. I also like that this has dtc info as well as tpms sensors calibration and sets as well.
Bang For Your Buck 5/5
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