🚗 Hypertech 752504 Speedometer Calibrator: Enhancing Speedometer Accuracy and Performance Review

Used to program my 2020 Ram 1500 for 35" tires. Accurate to 1km/h compared to 5. Works great and easy to install/program.

Worked great on my 2020 ram 1500. Ease of installation. I recommend upgrading it as soon as you take it out of the box before putting it on your truck.

movements. The Dodge dealer wanted to charge $120 to flash the computer to correct the tire size, but they couldn't get the job done. Searching the net this seemed like the only easy solution and it is easy. I had to measure the tires to get the exact specs to enter. The speedometer now shows correctly.

Product arrived safe but when I opened it I found a battered box, as soon as I opened this box the programmer itself was dirty and scratched , there was no plug to connect and instructions. Lots of money for someone to spend and decide they don't need it anymore and just send it to me in this condition.

Easy to use Best buy so far $450 to get the dealer to change your tire size so best use of the money I've used it 4 times so far, took the jeep, they updated the computer and erased my tire size and they will charge me for the repair even though it's all under warranty. The reason is they don't support big tires so I'm glad I bought these again.

Good calibrator, no complaints. Connecting to the carport requires a little manual maneuvering to avoid having to disassemble the dashboard. Just make sure you actually measure the height of the tire above the ground. Initially I entered 35 into the program and my truck actually rolled at a considerable speed. I measured the tires and my tires are actually 33.5. I entered this number and now the speedometer is frozen.

Download the software from Hypertech website and update the firmware on the device instantly. When the update is complete, just follow the prompts to plug it in and change your tire size. HOW TO GET CONSISTENT PERFORMANCE. The USB port on the back of the passenger-side center console provides enough power to run Hypertech with the ignition off when needed. No other ports or cigarette lighter work.

This tire gauge worked great on my 2019 Ram 1500 Limited (new body). My only tip to save you time is to actually measure your tire from bottom to top. tires and use this measurement when entering the tire size. I spent some time just entering the tire size on the side and my speedo still didn't work as a result. With the help of a Hypertech support rep, he quickly explained to me that some tire manufacturers cheat and round up tire sizes, and also explained how to measure them. After measuring…