2020-2023 Duramax EVOHT2 w/ ECM/TCM Unlock Tool (26401)

Fits

Note: This product is NOT compatible with Cab & Chassis trucks.  

It has arrived! Now you can flash your 2020-2022 GM Diesel with the all-new EvoHT2 programmer, without removing the ECM/TCM for unlock, no cores to deal with, no harnesses, no ECM swaps saving you time & money; a complete plug & play flash tune for your L5P!

Part Number: 26402

• In-vehicle ECM unlock with the industry's first ECM/TCM unlock tool
• Industry's first 10-speed transmission tuning included for better shift performance
• Adds up to 125hp/275tq to the tires (500 rear wheel horsepower)
• Heavy Trailer 50hp/100tq, Economy 75hp/160tq, Light Trailer 90hp/180tq, Extreme 125hp/275tq
• Extreme tune gains approximately 157hp at 3200 rpm
• Throttle Boost feature allows user adjustable pedal sensitivity (5-50% over stock)
• Remember last button setting for exhaust brake, drive mode, and grade braking
• Calibrate speedometer for tire sizes 26-38"
• Disable Top Speed Limiter
• Adjust speed and rev limiters
• Read and clear DTC's
• Adjust Idle Up feature for 600-1800rpms
• Command manual DPF regeneration cycle
• Allison Transmission Relearn
• Enable/Disable/Reset Intake Air Filter Monitor System
• Begin/Abort Crankshaft Position Sensor Learn
• 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 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
• 2023 Model Year Support Coming Soon - Finalizing TCM Calibrations
  

• The device can unlock and tune only one vehicle. Once the ECM 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 have been completed, the device is non-returnable

• Update Agent/Ignition Software
• HT2
• ECM Unlock Steps