Description
Exceptional Power Gains. The Bully Dog BDX Tuner is more than just another programmer – it has an all-in-one kit with performance tuner and sleek full-color display with custom gauges. Your 4.3L Sierra 1500 will have the edge you need when you’re dealing with rough terrain or transporting heavy loads. The customizable gauges will help you track and adjust powertrain performance for better power and torque.
Tap Into Your Truck’s Performance. Bully Dog s BDX Tuner is made to tap into your Sierra’s potential so you can unleash its true power on the course or street. It has a variety of applications for gas and diesel trucks in addition to the data logging and monitoring of critical engine parameters. This tuner gives you the option to read and clear DTC codes.
Quicker Updates. Get the latest tunes and updates simply by connecting to your Wi-Fi connection. The Bully Dog BDX Tuner has built-in Wi-Fi to make calibration and firmware updates quicker. These updates are done through the cloud so storage is a thing of the past. This handheld device offers you flash-and-go convenience on an easy-to-view full-color LCD display.
Customizable Tuning. With this device, you can store up to 10 custom tunes from over 1,000 custom tuning dealers from Bully Dog’s site. Custom tunes aren’t included and this is not legal for sale or use in CA on pollution controlled motor vehicles. Calibrations are US Federally compliant.
Application. The Bully Dog BDX Tuner is specifically made to fit on 2015 4.3L GMC Sierra 1500 models.
- Replacement Hardware – SKU U3021H
- Replacement Hardware – SKU U3022H
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Bully Dog 40470
CA Residents: WARNING: Cancer and Reproductive Harm
- More Horsepower and Torque
- Over 1,000 Custom Tuning Dealers from Bully Dog Website
- Full-Color LCD with On Screen Virtual Gauges
- Customizable
- Stores Up to 10 Custom Tunes
- Flash-and-Go Convenience
- Built-In Wi-Fi
- Reads and Clears Diagnostic Trouble Codes
- US Federally Compliant
- Not Legal for Sale or Use in CA
- Fits 2015 4.3L Sierra 1500s






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