Description
The 26402 unlocks and flash-tunes the ECM in the specified 2017–2019 GM 6.6L L5P Duramax application. The EvoHT2 handheld and included Locksmith tool perform the unlock with the ECM in the vehicle.
Four preloaded tunes cover heavy-trailer, economy, light-trailer and extreme settings. Functions include diagnostic-code reading and clearing, pedal sensitivity, 26–38-inch tire calibration and 600–1,800-RPM high idle. A PC and Update Agent software are required. The device serves one vehicle; returning the tune to stock does not reverse the unlock.
Specifications
| Type | Module |
|---|---|
| Tuning Type | Economy/ Performance/ Towing |
| Emissions Legality | 49-State Legal |
| Reads Diagnostic Trouble Codes | Yes |
| Clears Diagnostic Trouble Codes | Yes |
| Estimated Install Time (Hours) | 0.5 |
Manufacturer Warranty
Limited 1 Year Warranty
Emissions
The manufacturer lists this product as not legal for sale or use in California. Other use is subject to its stated emissions conditions; it is not a 50-state-compliant product.
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