The Superchips Flashpaq (PN 2849-F) delivers tuning and calibration for 2019-2022 GM 1500 gas trucks with first-in-class ECM/TCM unlock functionality—no dealer visit required. Supporting 5.3L and 6.2L engines paired with 6-, 8-, and 10-speed transmissions, the Flashpaq lets you tune from your driveway. Pre-loaded with economy, towing, and performance tunes, this device also allows you to disable AFM/DFM, adjust TPMS, calibrate for tires/gears, and control throttle response. Engineered for serious daily drivers and enthusiasts alike, the Flashpaq transforms drivability while adding power across the RPM range.

Superchips 2849-F Features:

• Includes ECM and TCM unlock tool
• Performance tuning for economy, towing, daily driving, and extreme use
• Speedometer correction for tire size and gear ratio changes
• Active/Dynamic Fuel Management disable
• “Remember Last Setting” for Auto Start/Stop and Drive Modes
• Adjustable throttle booster settings
• Adjustable TPMS settings from 1-90 psi
• Adjust speed and rev limiters
• Idle RPM adjustments in Park, Neutral, and Drive
• Read and clear diagnostic trouble codes (DTCs)
• Improved acceleration with up to 0.5-second reduction in 0–60 mph times
• Extended power curve and increased 1/4-mile trap speeds (+4 mph)
• 2.8" high-definition color screen
• Internet updateable via USB with new update software

Superchips 2849-F Notes:

• Device can unlock and tune only one vehicle; unlock is VIN-specific and cannot be reversed
• Once ECM is unlocked and flashed, device becomes non-returnable

Emissions Note:

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