HP Tuners

Get equipped with the most inclusive scanning, logging, and calibration package in the industry. Connect > MPVI3 is an advanced OBDII interface tool, connecting your vehicle’s control modules to our VCM Suite software. Read > Run complete diagnostics, monitor vehicle performance, read from various vehicle control modules, and more in VCM Suite. Edit > Optimize your performance, fuel economy, or whatever your vehicle goals may be in VCM Editor with a multitude of defined parameters.

The new E41 ECM Upgrade Kit offers a convenient option to perform the ECM upgrade on your 2017-2023 Chevy Silverado/GMC Sierra 6.6L Duramax in your own garage/shop. The best part? There’s no need to remove the ECM from the truck. This means there’s no risk of breaking tabs during the removal or reinstallation process. This kit also doesn’t require any reprogramming or relearns.

Diesel Switch by HP Tuners lets you power up from a stock calibration to one of five custom maps with the turn of a switch. Pair with HP Tuners’ Switch on the Fly OS for complete control and performance of your diesel.

Requires custom transmission tuning.

This is for a new HPTuners unlocked, Blank Factory E41 ECM