Tuner Depot GM Duramax L5P – Unlocked TCM (2017-2023)
HP Tuners GM Duramax L5P Unlocked TCM (2017-2022)
HP Tuners GM Duramax L5P Unlocked TCM (2017-2022)
HP Tuners GM Duramax L5P Unlocked TCM (2017-2022)
Tuner Depot 2020-2023 GM Duramax L5P – Unlocked TCM (2017-2023)
Tuner Depot 2017-2019 GM Duramax L5P – Unlocked TCM (2017-2023)
Tuner Depot GM Duramax L5P – Unlocked TCM (2017-2023)
HP Tuners GM Duramax L5P Unlocked TCM (2017-2022)
HP Tuners GM Duramax L5P Unlocked TCM (2017-2022)
HP Tuners GM Duramax L5P Unlocked TCM (2017-2022)
Tuner Depot 2020-2023 GM Duramax L5P – Unlocked TCM (2017-2023)
Tuner Depot 2017-2019 GM Duramax L5P – Unlocked TCM (2017-2023)

GM Duramax L5P – Unlocked TCM (2017-2023)

Vendor: Diesel Edge
SKU: DE-G-L5P-20-UTCM
Availability: Out Of Stock
Product Type: Tuner
$593.99
$593.99
Select the model year of your truck to ensure compatibility:: 2020-2023
Subtotal: $593.99
10 customers are viewing this product
Tuner Depot 2020-2023 GM Duramax L5P – Unlocked TCM (2017-2023)

GM Duramax L5P – Unlocked TCM (2017-2023)

$593.99
Tuner Depot GM Duramax L5P – Unlocked TCM (2017-2023)
HP Tuners GM Duramax L5P Unlocked TCM (2017-2022)
HP Tuners GM Duramax L5P Unlocked TCM (2017-2022)
HP Tuners GM Duramax L5P Unlocked TCM (2017-2022)
Tuner Depot 2020-2023 GM Duramax L5P – Unlocked TCM (2017-2023)
Tuner Depot 2017-2019 GM Duramax L5P – Unlocked TCM (2017-2023)

GM Duramax L5P – Unlocked TCM (2017-2023)

$593.99
Select the model year of your truck to ensure compatibility:: 2020-2023
Description

For off-road use only

Image is for demonstration purposes only. Actual device may vary in color and branding

Unlock Superior Performance: GM Unlocked T87A & T93 TCMs

Enhance your transmission’s potential with Diesel Edge's Unlocked T87A & T93 TCMs, specifically designed for the 2017-2023 L5P GM vehicles. Whether your truck has an 8-speed or 10-speed transmission, these TCMs offer significant performance improvements and customizable options.

Select Your Truck's Year:

Ensure compatibility by selecting your truck's model year. Available options include: 2017-2019 and 2020-2023.

Immediate Control and Optimization:

Once you install your new Diesel Edge unlocked TCM, it integrates seamlessly with your MPVI / MPVI2 and VCM Suite, giving you unprecedented control over your vehicle’s tuning and performance customization.

How to Purchase & Install:

  • Check the Serv# on your existing TCM.
  • Select the corresponding Serv# during your purchase.
  • Provide your vehicle’s VIN when placing your order.
  • Follow the provided installation instructions for optimal performance.

Understanding TCM Variants for L5P GM Duramax Trucks:

If you own an L5P GM Duramax truck, choosing the correct TCM variant is crucial for ensuring optimal compatibility and performance. Refer to the table below for details:

TCM Variant Supported Years Key Features
T87A TCM 2017-2019 Supports both 8 and 10-speed transmissions, pre-unlocked and ready for tuning.
T93 TCM 2020-2023 The successor to T87A, optimized for diesel trucks, with additional programming options for gasoline models.


Purchase the OBDii Flash Delete Tuning Interface here

Purchase Tuning Credits here

Note: Universal Credits for licensing must be purchased separately. They are not included in any unlock service or product purchase.

Note: This is a final sale product and cannot be returned. If you have any questions about compatibility, please contact us before making a purchase.

*Please review our Terms & Conditions and Shipping Policy for additional details.*

*Please Note*
For Off-Road Use Only: The products available on this site are intended solely for off-road use and may not comply with pollution control regulations for use on public highways.

Check Your Local Laws: Before purchasing or installing any parts, ensure that you check your local and state regulations to confirm whether these modifications are legally permitted in your area.

Professional Installation Highly Advised: We strongly recommend that all kits and parts be installed by professional mechanics. Incorrect installation can result in performance issues or damage to your vehicle. Please note that, unless otherwise specified, our products do not come with installation instructions. These parts are designed for those with a strong mechanical background, and minor modifications may be required to ensure a proper fit. Returns or refunds are not accepted due to installation difficulties or the lack of instructions.

Warranty Notice: Installing these parts will likely void your vehicle’s manufacturer warranty. Please consult your vehicle manufacturer for confirmation before making any purchases or installations.

Liability Disclaimer: Diesel Edge assumes no responsibility for any damage or complications that may occur as a result of using these parts.

Product Images: Images are for illustrative purposes and may not exactly represent the actual product due to changes or updates made by the manufacturer.

Performance Disclaimer: Although these parts are designed to improve vehicle performance, we cannot guarantee specific performance outcomes or gains.
Shipping Policy

At Diesel Edge, we know how important it is to get your performance parts delivered quickly and efficiently. We are dedicated to providing a smooth and hassle-free shipping experience, ensuring your orders are processed and shipped as fast as possible.


Our Shipping Process: We aim to process and dispatch all orders within two business days to provide you with a swift delivery experience. However, unexpected factors outside of our control may occasionally affect shipping times.

Potential Factors Affecting Shipping:

Weather Delays: Severe weather conditions like heavy rain, snow, or storms may impact delivery schedules. While we strive to ensure prompt delivery, certain weather events may cause delays. Rest assured, we will do everything possible to minimize any disruption.

Holiday Closures: Our team observes holidays, meaning our shipping center will be closed during these periods. Shipping will resume on the next business day after the holiday. During busy holiday seasons, please anticipate slight delays, but rest assured that we will keep you informed and do our best to deliver your order in a timely manner.

Staffing and Operational Delays: Although we pride ourselves on maintaining efficient operations, there may be times when staffing or unforeseen operational issues cause minor delays. We are committed to resolving these situations as quickly as possible to maintain the level of service you expect.

We appreciate your patience and understanding in the face of any challenges that may arise. Our goal is to ensure that your performance parts arrive as quickly as possible.

Thank you for choosing Diesel Edge, where performance and customer service go hand in hand.

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