If you are a Ford truck owner who is looking for a device to help calibrate for your large aftermarket tires, read/clear trouble codes, adjust your speed limiter and more, then look no further. The Flashcal for Truck is a product designed to give features and calibration tools to truck owners at a great price. The days of clunky, outdated calibration tools are over. Flashcal has trucks covered and the market cornered with quality and pricing that can't be matched. Covers 1999-2020 F series gas trucks and 1999-2018 F-Series diesel trucks. Now also covering the 2019 Ford F-150 3.0L Power Stroke Diesel.Corrects speedometer for tire upgrades between 26 - 42* (11-19 Diesel 31"-34")Speedometer recalibration for gear /axle swaps *TPMS Options *Reads and clears diagnostic trouble codesDigital Battery Voltage DisplayReal-time Data LoggingReal-Time Data Monitoring*Features may vary based on year, make, & model.