Superchips Flashpaq Tuner with ECM and TCM Unlock for 2019-2022 Silverado and Sierra 1500 5.3L 6.2L - 2849-F

The Superchips Flashpaq 2849-F is a handheld flash tuner for the 2019-2022 Chevrolet Silverado 1500 and GMC Sierra 1500 with the 5.3L or 6.2L V8, with the ECM and TCM unlock tool in the box. These trucks shipped with locked modules; this kit unlocks and tunes them at home in one session.

Loaded tunes cover Mileage XS, Tow and 87, 91 and 93 octane. On premium fuel Superchips quotes 15 to 20 rwhp over stock with torque carried higher in the rev range, plus a transmission tune that firms up shifts on the 6, 8 and 10 speed, and about half a second off 0-60.

Vehicle compatibility

• 2019-2022 Chevrolet Silverado 1500 and GMC Sierra 1500 with the 5.3L or 6.2L V8, including the 2022 LTD / Limited
• Not for 2022.5 and newer refresh trucks
• DiabloSport versions of this kit: Predator 2 7226-R handheld or Trinity 2 9225-R dash-mounted touchscreen

Tuning and adjustment features

• ECM and TCM unlock tool included; unlock and tune at home
• Mileage XS, Tow, 87, 91 and 93 octane tunes with a transmission tune for the 6, 8 and 10 speed
• AFM/DFM control to keep the truck in V8 mode
• Remember Last Setting for auto start/stop and drive mode
• Speedometer correction for tire size and gear ratio
• Adjustable throttle booster, TPMS 1-90 psi, speed and rev limiters, idle RPM
• Read and clear trouble codes on the 2.8 inch color screen; updates over USB from a Windows PC

What is in the box

• Flashpaq handheld
• Locksmith unlock device
• ECM and TCM unlock harnesses
• OBD-II and USB cables
• Instructions

Installation and limitations

Unlock the ECM and TCM once with the locksmith and harnesses, then tune through the OBD-II port with the Flashpaq. Read before buying: the device locks to one VIN. The tune can be returned to stock, but the ECM unlock cannot be undone, and once the unlock has been performed the unit is not returnable. Not for use in California.

Specifications

• Part number: 2849-F
• Brand: Superchips
• Emissions: Not legal for sale or use in California
• Warranty: 1 year manufacturer warranty
• Country of origin: United States
• Packaged size: 6.5 x 5 x 2.5 in, 2 lb
• UPC: 810065211804

Frequently asked questions

Do I have to remove the ECM or TCM?

No. The harnesses connect to the modules in the truck. The unlock is done in the driveway.

How much power does it add?

Superchips quotes 15 to 20 rwhp over stock on premium fuel, with the torque improvement carried higher in the rev range.

Can I return it after unlocking?

No. The ECM unlock cannot be undone, so once performed the kit is not returnable.

Does it fit a 2023 Silverado?

No. Coverage is the 2019-2022 pre-refresh trucks.