Description
Advanced Calibration Device. The Superchips Flashcal is a handheld calibration tool designed specifically for 2017–2019 Legacy Body Style GM gasoline trucks and SUVs. It supports correcting the speedometer for tire size changes between 26″ and 38″, recalibrating gear and axle ratios, disabling AFM, adjusting speed and rev limiters, and managing TPMS settings. It also reads and clears diagnostic trouble codes, displays battery voltage digitally, and offers real-time data logging and monitoring.
Construction and Appearance. The unit features a durable ABS plastic housing with a color display to ensure clear visibility and ease of use during adjustments and data monitoring.
Installation. Installation is straightforward with a plug-and-play setup that requires no drilling or permanent modifications to the vehicle.
Application. This Flashcal is intended for use on 2017–2019 Legacy Body Style GM gasoline trucks and SUVs. It is not compatible with e-assist or hybrid models, and it is not legal for use in all 50 states under EPA or CARB regulations. It does not fit the 2020 Tahoe or newer models.
Superchips 2547
CA Residents: WARNING: Cancer and Reproductive Harm
- Corrects Speedometer For Tire Upgrades Between 26″ – 38″
- Speedometer Recalibration For Gear / Axle Swaps
- Disable AFM
- 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
- Fits 2017-2019 Legacy Body Style GM Gas Trucks/SUVs






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