It is strongly recommended that a battery charger be used during the ECM/TCM Unlock to ensure no voltage drop interrupts the process leaving an ECM in-operable. EvoHT2 with ECM Unlock Tool for 2017-2019 GM L5P Duramax EvoHT2 for 17-19 GM Duramax - Now with ECM Unlock Capabilities!

Unlock the full potential of your 2017-2023 Chevy Silverado or GMC Sierra 6.6L L5P Duramax with the Edge EvoHT2 Handheld Tuner, the easy-to-use and budget-friendly flash tuner built for real-world performance.

The EvoHT2 comes preloaded with proven tunes designed specifically for towing, daily driving, fuel economy, and all-out performance, so you can select the calibration that best fits your needs. Just flash the ECM, unplug the device, and store it away, it's that simple.

To enable tuning on the latest L5P Duramax platform, the Edge Locksmith tool is required (included) to unlock the factory ECM and TCM. Once unlocked, the EvoHT2 gives you access to safe, emissions-compliant power gains that improve throttle response, drivability, and pulling strength.

Whether you're towing heavy trailers, commuting every day, or just want a stronger, more efficient truck, the EvoHT2 provides results you can feel immediately.
Beyond performance, the EvoHT2 also serves as a diagnostic tool, allowing you to quickly read and clear DTCs without an expensive shop visit. Built on Edge

Products' 20+ years of tuning expertise, the EvoHT2 is the perfect solution for Duramax owners who want reliable power, simple installation, and proven performance in an affordable handheld device.

A PC and our downloadable Update Agent software will be required in order to complete this tune process
Device can unlock and tune only one vehicle. Once the ECM/TCM is unlocked and flashed, the flash can be returned to factory settings, but the Unlock process can not be reversed.

If VIN lock and ECM Unlock has been completed, device is non-returnable
In-vehicle ECM unlock with industry's first ECM unlock tool
Remember last button setting for exhaust brake, tow/haul, and grade braking

• 1.3 seconds faster in the 1/4-mile, gained 8mph!
• Throttle Boost feature allows user adjustable pedal sensitivity (5-50 percent over stock)
• Adjust TPMS settings
• Read and clear DTC's
• Calibrate speedometer for tire sizes 26-38 inch
• Adjust Idle Up feature for 600-1800rpms
• Command manual DPF regeneration cycle
• Heavy Trailer 75hp/150tq, Economy 100hp/200tq, Light Trailer 125hp/250tq, Extreme 150hp/350tq
• Allison Transmission Relearn
• Great for daily driving and towing performance
• Tuning has passed all in-house emissions testing with CARB EO submissions being processed
• Calibrations developed to offer clean, efficient DPF friendly performance
• Most cost effective way to add performance tuning to your L5P on the market today

Great option for owners already running our popular Insight CTS3 monitor but now crave added power