Ignitions and Electrical› Computers, Chips, Modules and Programmers

GDP

17-23 GM L5P E41 Upgrade Kit (eliminates ECM swap)

$356.24

SKU: G033 ECM-00-L5P-K

Out of Stock
In Stock
Ships by Jun 9
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The HP Tuners ECM-00-L5P-K Unlock Cable is an E41 ECM upgrade kit designed for in-vehicle unlocking and tuning of factory ECMs in 2017-2023 Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax (L5P/L5D) trucks. It requires an MPVI2+ (with Pro Feature Set) or MPVI3 device and VCM Suite BETA software.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandGDP
Part NumberG033 ECM-00-L5P-K

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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