Introducing our new site Dirty Garage - your source for half-ton parts, off-road, and more.

Canada Post Strike: We are shipping via UPS, Loomis, FedEx, and Purolator

Canadian Made: Check out our Dirtiest Parts.

BOGO: Buy a Monster Ram Intake Upgrade & Get a Fuel & DEF Cap for Free. Shop Now.

2011-2016 Duramax AMDP EFILive TCM Tune File

AMDP Part Number: 66D-EFI-TRANS
$225.00 CAD

* Asterisks indicate a required selection.

VIN # *

Vehicle Identification Number

Stock read file upload *

Required to write your tunes. Please upload your read file.

Drag your file here or click to upload.
Wrong file type. Please try again!

Total w/ Addons:

Purchase to earn 225 Dirty Dollars Learn More

This product ships for free to most Canadian locations! Learn more

Description

Fits

Year Make Model
2011-2016 GMC Sierra / Silverado

Note: This product is for 2011-2016 Duramax Years Only

TCM Tuning increases the line pressure, this puts more pressure on your clutch packs and prevents them from slipping which can cause excessive early wear on clutch disks. It will also change the shifting points to match the new tuning which helps improve the overall driveability.

Part Number: 66D-EFI-TRANS

Features

  • Increases line pressure which puts more pressure on clutch packs
  • Prevents clutch packs from slipping which can cause excessive early wear on clutch disks.
  • Changes shift points to match the new tuning, helping improve the overall driveability

Installation

Questions and Answers

Have a Question?

Be the first to ask a question about this.

Ask a Question