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Edge EvoHT2 with ECM/TCM Unlock Tool for 2020-2022 GM L5P Duramax 26401

Edge EvoHT2 with ECM/TCM Unlock Tool for 2020-2022 GM L5P Duramax 26401
$1,541.99 ea
NEWARRIVING SOONEstimated Ship Date 11/24/2025 (If Ordered Today)23 Available from HOLLEY PERFORMANCE PRODUCTS as of 11/05/2025
Model: 4952298
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
STANDARD
DELIVERY
STORE PICKUP
[More Info]
Features:
  • In-vehicle ECM unlock with industry's first ECM unlock tool
  • TCM Unlock cable and transmission tuning included for better shift performance
  • Throttle Boost feature allows user adjustable pedal sensitivity (5-50% iover stock)
  • Heavy Trailer 50hp/100tq, Economy 75hp/160tq, Light Trailer 90hp/180tq, Extreme 125hp/275tq
  • Calibrate speedometer for tire sizes 26-38"
  • Adjust speed and rev limiters
  • Remember last button setting for exhaust brake, tow/haul, and grade braking
  • Read and clear DTC's
  • Adjust Idle Up feature for 600-1800rpms
  • Command manual DPF regeneration cycle
  • 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

Downloads:

Download Name File Size
l5pevoht2manual.pdf4.31MB

Videos:

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years Engine
Chevrolet Silverado 2500 HD Custom 2021 6.6L / 403 / V8
Chevrolet Silverado 2500 HD Custom 2022 6.6L / 403 / V8
Chevrolet Silverado 2500 HD High Country 2020 6.6L / 403 / V8
Chevrolet Silverado 2500 HD High Country 2021 6.6L / 403 / V8
Chevrolet Silverado 2500 HD High Country 2022 6.6L / 403 / V8
Chevrolet Silverado 2500 HD LTZ 2020 6.6L / 403 / V8
Chevrolet Silverado 2500 HD LTZ 2021 6.6L / 403 / V8
Chevrolet Silverado 2500 HD LTZ 2022 6.6L / 403 / V8
Chevrolet Silverado 2500 HD LT 2020 6.6L / 403 / V8
Chevrolet Silverado 2500 HD LT 2021 6.6L / 403 / V8
Chevrolet Silverado 2500 HD LT 2022 6.6L / 403 / V8
Chevrolet Silverado 2500 HD WT 2020 6.6L / 403 / V8
Chevrolet Silverado 2500 HD WT 2021 6.6L / 403 / V8
Chevrolet Silverado 2500 HD WT 2022 6.6L / 403 / V8
Chevrolet Silverado 3500 HD High Country 2020 6.6L / 403 / V8
Chevrolet Silverado 3500 HD High Country 2021 6.6L / 403 / V8
Chevrolet Silverado 3500 HD High Country 2022 6.6L / 403 / V8
Chevrolet Silverado 3500 HD LTZ 2020 6.6L / 403 / V8
Chevrolet Silverado 3500 HD LTZ 2021 6.6L / 403 / V8
Chevrolet Silverado 3500 HD LTZ 2022 6.6L / 403 / V8
Chevrolet Silverado 3500 HD LT 2020 6.6L / 403 / V8
Chevrolet Silverado 3500 HD LT 2021 6.6L / 403 / V8
Chevrolet Silverado 3500 HD LT 2022 6.6L / 403 / V8
Chevrolet Silverado 3500 HD WT 2020 6.6L / 403 / V8
Chevrolet Silverado 3500 HD WT 2021 6.6L / 403 / V8
Chevrolet Silverado 3500 HD WT 2022 6.6L / 403 / V8
GMC Sierra 2500 HD AT4 2020 6.6L / 403 / V8
GMC Sierra 2500 HD AT4 2021 6.6L / 403 / V8
GMC Sierra 2500 HD AT4 2022 6.6L / 403 / V8
GMC Sierra 2500 HD Base 2020 6.6L / 403 / V8
GMC Sierra 2500 HD Base 2021 6.6L / 403 / V8
GMC Sierra 2500 HD Denali 2020 6.6L / 403 / V8
GMC Sierra 2500 HD Denali 2021 6.6L / 403 / V8
GMC Sierra 2500 HD Denali 2022 6.6L / 403 / V8
GMC Sierra 2500 HD Pro 2022 6.6L / 403 / V8
GMC Sierra 2500 HD SLE 2020 6.6L / 403 / V8
GMC Sierra 2500 HD SLE 2021 6.6L / 403 / V8
GMC Sierra 2500 HD SLE 2022 6.6L / 403 / V8
GMC Sierra 2500 HD SLT 2020 6.6L / 403 / V8
GMC Sierra 2500 HD SLT 2021 6.6L / 403 / V8
GMC Sierra 2500 HD SLT 2022 6.6L / 403 / V8
GMC Sierra 3500 HD AT4 2020 6.6L / 403 / V8
GMC Sierra 3500 HD AT4 2021 6.6L / 403 / V8
GMC Sierra 3500 HD AT4 2022 6.6L / 403 / V8
GMC Sierra 3500 HD Base 2020 6.6L / 403 / V8
GMC Sierra 3500 HD Base 2021 6.6L / 403 / V8
GMC Sierra 3500 HD Denali 2020 6.6L / 403 / V8
GMC Sierra 3500 HD Denali 2021 6.6L / 403 / V8
GMC Sierra 3500 HD Denali 2022 6.6L / 403 / V8
GMC Sierra 3500 HD Pro 2022 6.6L / 403 / V8
GMC Sierra 3500 HD SLE 2020 6.6L / 403 / V8
GMC Sierra 3500 HD SLE 2021 6.6L / 403 / V8
GMC Sierra 3500 HD SLE 2022 6.6L / 403 / V8
GMC Sierra 3500 HD SLT 2020 6.6L / 403 / V8
GMC Sierra 3500 HD SLT 2021 6.6L / 403 / V8
GMC Sierra 3500 HD SLT 2022 6.6L / 403 / V8

Specifications:

Check Clear DTCs Yes
Emission Code 7
Fuel Diesel
Part Type Vehicle Tuning Flash Tool
Performance Tunes Yes
Product Type Handheld Tuner

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