GM Duramax L5P - CAN BUS Plug Kit (2017-2023)
Type: Accessories | Fits: GM Duramax
The Duramax L5P CAN BUS Plug Kit is an essential upgrade for 2017+ Chevrolet Silverado and GMC Sierra L5P 6.6L diesel trucks undergoing delete tuning. Designed to keep your truck’s ECM functioning correctly, it prevents faulty signals after removing emissions components such as the Diesel Particulate Filter (DPF) and Diesel Exhaust Fluid (DEF) systems.
This plug kit integrates seamlessly with aftermarket exhaust systems and delete pipes, replacing the NOx and DEF modules. By sending a closed signal to the ECM, it ensures smooth performance and reliable operation even after extensive modifications.
Specifications
| Feature | Details |
|---|---|
| Compatibility | 2017–2023 Chevrolet Silverado & GMC Sierra L5P 6.6L diesel trucks |
| Primary Function | Required when removing DPF/DEF systems for delete tuning |
| Application | Works with aftermarket exhaust systems and delete pipes |
| Signal Management | Sends closed signal to ECM for stable, fault-free operation |
| Usage | Off-road and competition applications |
Key Features
- Compatibility – Designed for 2017–2023 Silverado & Sierra L5P 6.6L trucks.
- Delete Tuning Ready – A must-have when removing DPF/DEF systems.
- Aftermarket Integration – Works flawlessly with delete pipes and custom exhaust setups.
- Signal Stability – Prevents faulty ECM signals by sending a reliable closed loop.
- Optimized Performance – Keeps your engine running efficiently post-modification.
Why Choose This Kit?
Without this CAN BUS plug, your ECM may read errors or experience drivability issues after emissions system removal. This kit ensures that your truck maintains stable performance and reliability, making it a vital component for off-road builds and competition-level tuning.
Important Notes:
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Important Notices
- Off‑Road Use Only
Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply. - Check Local Laws
Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area. - Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.
