Superchips Flashcal will calibrate your large aftermarket tires, read/clear trouble codes, adjust your speed limiter and more. Covers 1999-2018 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
Please note: Flashpaq PN 2545 covers up to the 2016 model year GM only.For2017+ GM coverage please refer to PN 2547.
*E-assist and hybrid vehicles not supported*