2019-2022 GM 1500 Gas inTune 3 in-field

Since their release, 2019–2022 GM gas trucks (2022.5+ Refresh not yet supported) have been locked down—leaving owners waiting for a tuning solution. The wait is over. The DiabloSport inTune i3 8225-R Kit provides everything you need to finally unlock performance in your late-model GM truck. This complete package includes the industry-leading inTune i3 handheld tuner along with the specialized locksmith device and harnesses required to unlock both the ECM and TCM, giving you full access to tuning capability.

Features

• ECM and TCM unlock included!
• Calibrate speedometer for gear change (3.42-5.13)
• Remove speed limiter for increased top speed
• Adjust engine rev limiter for increased RPM range (+/- 400 RPM)
• Adjust engine idle speed in Park/Neutral and Drive
• New ‘Keep Auto Stop Start Setting’ allows you to disable the system using the button on the dash and it stays that way!
• New ‘Keep Drive Mode Setting’ allows you to select a drive mode and it will remember that mode next time you start the truck!
• Unlock and Tune, at home!
• Preloaded tunes for multiple octane levels
• No need to remove ECM or TCM!
• Supports Custom Tuning for ECM and TCM through our CMR sfotware!
• Support for 5.3L and 6.2L V8 applications with 6, 8 or 10 speed transmissions
• Disable Dynamic Fuel Management for full time V8 operation
• Throttle Boost setting for adjustable throttle feel
• Adjust speedometer for larger tires (26"-38")

Product Video

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Documentation

• Installation instructions — d10029300 rev00 (PDF)