Programmed 2001-2005 Silverado 2500 TCM Transmission Module 09385220 Allison

Restore Your Allison’s Smooth Shifting

Get rid of harsh shifting and limp mode with this pre-programmed Transmission Control Module for 2001-2005 Silverado & Sierra HD trucks. It arrives flashed to your VIN with the latest GM software, making it a true plug-and-play fix that requires no dealer visit. Restore your truck’s reliability and performance today. Order now for a fast, dependable solution!

$500.00

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 591-06773-6 Categories: ,
Guaranteed Safe Checkout

Restore Peak Performance to Your Allison Transmission

How does the VIN programming work?

After you complete your purchase, simply send us your vehicle’s 17-digit VIN. Our technicians will use it to load the latest, most compatible GM software onto the module. This ensures it communicates perfectly with your truck’s engine and other systems right out of the box.

Is this a plug-and-play part?

Yes! Because we program it to your VIN before shipping, no additional programming or dealer visits are required. You can install it yourself and be back on the road immediately.

What tools do I need for installation?

You’ll only need basic hand tools, typically a socket set to remove the mounting bolts and a wrench for the battery terminal. No specialized diagnostic equipment is needed.

Do I need to return my old TCM (core charge)?

This listing does not require a core return. You can keep your old part, though we always recommend recycling old electronics responsibly.

Will this fix my specific transmission problem?

This module corrects issues directly caused by a failing TCM, such as the symptoms listed above. While it is a very common point of failure, always ensure your vehicle has been properly diagnosed. Problems with internal transmission components or wiring will not be solved by replacing the TCM.

Genuine OEM

Yes

MPN

09385220

Interchange part number

Condition

Refurbished

PartNumber

591

Model

Silverado 2500 Pickup

Make

Year

2005

Brand

CHEVROLET TRUCK

Manufacturer Part Number

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