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DuraMax Tuner

Pre-Tuned T93 TCM Replacement For 2020-2023 (L5P) 10-Speed Allison Transmission Without Tuning Hardware CORE CHARGE OF $700 APPLIES

$841.67

SKU: D06C DM1MO1372082000

In Stock
In Stock
Ships by Jun 20
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Custom TCM tuning for 2020-2023 Chevrolet Silverado and GMC Sierra 2500/3500 HD trucks with the L5P Duramax engine and 10-Speed Allison 10L1000 transmission. Improves shifting performance for high-performance applications, decreasing shift times, increasing clutch holding capacity, and making the transmission more durable and responsive. Keeps the engine in the ideal RPM range for optimal power delivery. Offers Mild or Aggressive shift points. An important upgrade for trucks with ECM tuning, larger tires, bigger turbos, or built transmissions.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

BrandDuraMax Tuner
Part NumberD06C DM1MO1372082000

Videos

10-Speed Allison Transmission 101

10-Speed Allison Transmission 101
It's True! The GM 10L1000 Allison Transmissions Are Having Major Issues!

It's True! The GM 10L1000 Allison Transmissions Are Having Major Issues!
SunCoast 10L1000 Valve Body Install! | Huge Allison 10L1000 Reliability Improvement!

SunCoast 10L1000 Valve Body Install! | Huge Allison 10L1000 Reliability Improvement!
A terrible transmission has a solution now! The GM 10L1000

A terrible transmission has a solution now! The GM 10L1000
SunCoast 10L1000 High-Pressure Valve Body & Pump Kit!

SunCoast 10L1000 High-Pressure Valve Body & Pump Kit!

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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