Programmers

All 2018 model year FCA vehicles have a new security feature that was implemented to prevent the OBD-II diagnostic port from being used for aftermarket recalibration tools and performance tuners. Therefore, the 2018 Ram ProCal Module includes AEV's Bypass Harness kit. This kit will bypass the new security feature, allowing the vehicle to be properly recalibrated by the end user. Learn More

Calibrating the speedometer in your Jeep is easy with the plug-n-play AEV ProCal SNAP Module. Installing the included harness and plugging the ProCal SNAP Module into the Jeeps OBDII diagnostic port lets you utilize the factory stereo display to make the adjustments. Learn More

ProCal SNAP for the 2019-2024 HD Ram 2500/3500 truck is a simple, cost effective calibration module that will accurately correct your speedometer after installing larger tires (up to 42" tall) and/or changing the axle/transfer case gear ratio, saving you from the headaches of going to the dealership or purchasing unnecessary equipment. Learn More