SCT Performance X4/SF4 Power Flash Tuner (2015 4.3L Sierra 1500)Find parts that fit my vehicle

Increased HP and Torque. From the factory, the manufacturer programs their vehicles to cater to the needs of the daily driver, not the performance enthusiast. After loading a SCT pre-configured strategy tune on a vehicle, even a bone stock, unmodified 4.3L Sierra will realize noticeable gains in Horsepower, Torque, and Fuel Economy.

Increase your mod's potential. Factory computer settings are calibrated for the original factory components. When making performance modifications, you need to recalibrate the vehicle's computer to realize the full potential that these modifications can achieve.

Compact Design. The SF4/X4 Power Flash Tuner measures in at 2.7” wide X 5.5” tall making it much smaller than the original SF3/X3 for easy storage in your center console or glove box. The cord is detachable and there is no battery or power supply needed. It uses the power from your vehicle's diagnostic port or computers USB connection.

Full Color Display. The SF4/X4 Power Flash Tuner features a full color 2-3/4" diagonal LCD screen with user adjustable portrait or landscape modes. The SF4/X4 also has a convenient power saving auto dim feature.

Diagnostics. The SF4/X4 Power Flash Tuner can also be used as a diagnostic code reader. Save yourself hundreds of dollars each year by reading and clearing your own trouble codes rather than paying a dealer to do the same. Its as easy as a few simple steps.

On Screen Data Logging and Monitoring. With a full color LCD display, the SCT SF4/X4 Power Flash Tuner makes it EASY to read the Built-In Data Logging or Real Time Monitored Vehicle Data, view popular sensor data such as EGT, Air/Fuel Ratio or any other 0-5 Volt source.

Easy to load; easy to restore. When you load a SCT pre-configured strategy tune on the vehicle, the tuner automatically stores your vehicle's factory settings. To return the vehicle to its factory settings, just plug the tuner back in, select the option to restore the factory settings, and you're done.

SCT SF4/X4 Power Flash Tuner Features:

• The SF4/X4 by SCT is the newest replacement for the popular SF3/X3
• Full color LCD display with auto dim feature
• On screen data logging and monitoring
• Reads/clears DTC Trouble Codes
• PC/Windows compatible
• Tuner can be taken to a local shop for DYNO tuning

SCT SF4/X4 Adjustable Parameters:

• WOT Fuel Adjustment
• Idle RPM
• Spark Adjustment
• Transmission Shift Points
• Axle Ratio
• Fuel Injector Size
• Tire Size - Rev / Mile
• Air Intake Selection
• Cooling Fan Temps
• Traction Control On / Off
• Rev / Speed Limiters
• Two Step On / Off RPM

* Not all adjustments available on all vehicles.

Application. The SCT SF4/X4 Power Flash Tuner is designed for use on all 2015 GMC Sierra models equipped with the 4.3L engine.

Technical Note. This SCT Power Flash Tuner is not legal for use in California on pollution controlled vehicles.

• Replacement Hardware – SKU U3021H

Shop All Truck Parts And Accessories

Shop All Truck Tuners

Fitment:

• 2015 GMC Sierra 1500

Details

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov