2020-2023 Chevrolet Silverado / GMC Sierra 2500HD/3500HD 6.6L L5P Duramax Edge EvoHT2 Handheld Tuner (ECM/TCM Unlock)

Edge EvoHT2 — 2020-2023 GM 6.6L L5P Duramax (ECM/TCM Unlock)

The 2020-2023 EvoHT2 adds in-vehicle ECM and TCM unlocking — including 10-speed Allison transmission tuning — through the included Locksmith tool. Gains run as high as +125 HP and +275 lb-ft, with four preloaded tunes, sharper throttle response, quicker turbo spool, and improved shift quality from the trans tuning. No ECM removal, no cores, no cross-country shipping, and no extra credits or trans-tuning fees. Read and clear DTCs and recalibrate the speedometer for larger tires.

• In-vehicle ECM and TCM unlock included (Locksmith tool)
• 10-speed Allison transmission tuning for better shift quality
• Peak gains up to +125 HP and +275 lb-ft; four preloaded tunes
• Sharper throttle response and quicker turbo spool
• Read/clear DTCs, speedometer recalibration for larger tires
• One-vehicle device: unlock is permanent once completed