Pre-Tuned T93 TCM Replacement For 2020-2023 (L5P) 10-Speed Allison Transmission Without Tuning Hardware 

Pre-Tuned T93 TCM Replacement For 2020-2023 (L5P) 10-Speed Allison Transmission Without Tuning Hardware 

Fitment: 2020-2023 GM 6.6L DURAMAX L5P

SKU: DM1MO1372082000
$775.00
$775.00
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Pre-Tuned T93 TCM Replacement For 2020-2023 (L5P) 10-Speed Allison Transmission Without Tuning Hardware 

Pre-Tuned T93 TCM Replacement For 2020-2023 (L5P) 10-Speed Allison Transmission Without Tuning Hardware 

$775.00
Pre-Tuned T93 TCM Replacement For 2020-2023 (L5P) 10-Speed Allison Transmission Without Tuning Hardware 

Pre-Tuned T93 TCM Replacement For 2020-2023 (L5P) 10-Speed Allison Transmission Without Tuning Hardware 

$775.00
Description

The 2020, 2021, 2022 and 2023, 2500 and 3500 HD Silverado/Sierra's equipped with the 10-Speed Allison transmission are known for their great performance while towing. While this transmission is in many ways an improved version of the 6-speed Allison. There is still a bit to be desired when it comes to shifting in high performance senarios. With custom TCM tuning we can decrease the time between shifts as well as improve the clutch holding capacity by increasing line pressure electronically. This will not only make a more durable, better feeling, and better driving transmission. It can also help keep the engine in the ideal RMP range to utilize all of its potential power.

The Pre-Tuned TCM Replacement is designed for users that already own an HP Tuners MPVI2, MPVI3, or RTD+ Flash tool. The flash tool is still required for transferring trim files to the pre-tuned TCM. 10-Speed transmission tuning can also be utilized with and without the RatioTek shift kit installed on the vehicle. If you don't own one of the HP Tuners flash tools listed then you will need to purchase the REPLACEMENT T93 & TCM TUNING FOR 2020-2023 (L5P) ALLISON TRANSMISSION W/ HP TUNERS HARDWARE AND CREDITSAllison 10-Speed Transmission Tuning
The 10-Speed Allison found in your 2020-2023 L5P Duramax is known for its smooth shifts and great performance while towing. However, it still leaves a bit to be desired when it comes to shifiting in high performance senarios. It can fall behind due to its drawn-out shifts and its weaker clutch holding strength. Changing the factory calibration is especially important when you modify your truck and/or install ECM Tuning. Custom TCM Tuning gives you quicker shift changes, smoother operation, and an overall better driving experience.

This package requires the use of an HP Tuners MPVI2, MPVI3 or RTD+ Flash Tool. If you do not already own one of these flash tools then you will want to purchase the REPLACEMENT T93 & TCM TUNING FOR 2020-2023 (L5P) ALLISON TRANSMISSION W/ HP TUNERS HARDWARE AND CREDITS tuning package.

What’s the difference between Mild and Aggressive Transmission Tuning?

Smooth Shift Points is the best choice for you if you . . .

Want a similar feeling shift schedule to stock
Have a near-stock truck with stock tire size and stock turbo.
Installed a Box Tuner
Are an “Everyday Diesel Guy”
Use your truck as a daily commuter
Looking to get the best fuel economy possible
Aggressive/Elevated Shift Points is the best choice for you if you . . .

Have an upgraded turbocharger
Run 35”+ size tires
Prefer higher RPM operation or holding the gear longer
Installed custom engine tuning


Why do you need TCM Tuning?

Works with any ECM Tuning to provide smooth shifting and superior driveability
Torque converter lockup strategy helps you put power to the ground when you need it the most
Improve clutch holding capacity with increased line pressure
Makes your truck feel more powerful
Prevents short-shifting in performance applications
Ensures that your engine is operating within its preferred rev range
TCM Tuning is especially important for trucks with:

Any ECM Tuning, Box Tuner, or Throttle Booster
Larger tires (35”+)
Modified turbo(s)
Built transmission
Any modification that impacts operating RPMs
Towing & Performance

Use the wider torque curve provided by ECM Tuning
Keep your truck in its power band when lugging up a grade
Quicker shifts mean less time between gears and more time putting power to the ground
Optimize your aftermarket performance parts

Return Policy

Product Returns

Product Return Policy

  • Returns must be packaged securely in an outer carton
  • Do not write on the product packaging itself. Write only on the outer shipping carton.
  • Packages received without a Return Authorization Number written clearly on the outer carton will be refused.
  • Returnable items must be received by SUP within 30 days of the product being received by you the customer. (determined by tracking number)
  • Returned product must be in new, re-saleable condition, with all original boxes, packaging, parts, cables, manuals, etc.
  • Upon receipt, all returns will be inspected, and, at our discretion, credit may be refused or a restocking fee of 5%-10% may be assessed.
  • Original shipping cost and shipping protection charges are non-refundable.
  • Customer is responsible for shipping costs incurred to return products.
  • Products can only be returned for a refund, store credit, or an exchange for the same item. Product cannot be exchanged for a different part number.

Some Circumstances in which credit will not be issued but not limited to:

  • Product has been installed and/or used
  • Product has been damaged from an attempt to be installed and/or used
  • Product is shipped back without original box, manual and/or parts
  • Seal on electrical parts is broken
  • Product serial number does not match that of which was original shipped to buyer
  • Product is deemed not resell able by SUP due to customers own actions in dealing with the product

Core Returns

Core Return Instructions: STOP! Please read to avoid costly delays!

  • Step 1:  Verify the core will be received back within 30 days. (See Deadline)
  • Step 2: Fill out the Return Form.
  • Step 3: Wait for return instructions. SUP will email a return number (RMA) and a return shipping address. Many cores will be sent directly back to the manufacturer, so please read the instructions.
  • Step 4: Package the core. Good packaging prevents costly damage and/or the core being refused by the shipping carrier. It may be possible to reuse the box your original product came in. If not, use a box strong enough to support the product. Seal the product in a plastic bag to prevent leaks. Cushion the product with packing material and securely seal the package with tape.
  • Step 5: Attach the shipping label you have purchased (see return shipping policy) and write the return number (RMA) large and clear on the outside of the box.
  • Step 6: Ship the core.

Core Return Policy *** Important Please Read ***

Deadline: Core returns will only be accepted within 30 days of receiving the original product. After 30 days core credit refunds will be at the discretion of SUP.

Refund Policy: Returns made between 0-30 days are eligible for credit back to the original payment method used for the purchase. Credit may be full, partial, or denied based on the acceptance policy below. Please allow up to 4 weeks after the core is received for inspection and refund if accepted.

Return Shipping Policy: Core return shipping is the responsibility of the customer. SUP recommends using a carrier that provides package tracking and insurance. You will not be reimbursed for shipping costs incurred in shipping the core. SUP is not responsible for cores received damaged, freight penalties, and/or lost shipments.

Acceptance Policy:

 

  • No leaking fluids, all fluids must be drained, and the core must be sealed in a plastic bag. 
  • The core returned must be a like-for-like make, model, type, and part number.
  • Cores will not be accepted from a salvage or junkyard.
  • Cores must not be disassembled or have missing and/or damaged major components. 
  • Cores must be in rebuildable condition.

Core refund acceptance is at the discretion of SUP and the manufacturer/remanufacture or the original product. Failure to follow the above policy may result in partial credit and/or no credit being issued. If you would like a core returned that has been denied acceptance, you may request that within 30 days and pay for return shipping. Cores that have not been accepted and are unclaimed by the customer after 30 day will be destroyed and disposed of.

Updated 08/22/2024

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