If you are a GM 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 The days of clunky, outdated calibration tools are over.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 1999-2016 GMC/Chevy gas trucks and 2001-2016 GMC/Chevy diesel trucks.


Corrects speedometer for tire upgrades between 26 - 38 *
Speedometer recalibration for gear /axle swaps *
Speed/Rev Limiter Options *
TPMS Options *
Reads and clears diagnostic trouble codes
Digital Battery Voltage Display
Real-time Data Logging
Real-time Data Monitoring
Upgradeable to Flashpaq Tuning


*Features may vary based on year, make, & model.


*E-assist and hybrid vehicles not supported*

GM FlashCal 2545 '99-16