GM Duramax E90/T93 Upgrade Kit (2019-2023)

Introduction

The GM E90/T93 Upgrade Kit is a purpose-built solution designed for 2019-2022 GM vehicles with the E90 ECM (Engine Control Module) and/or T93 TCM (Transmission Control Module). Complete the upgrade directly on the vehicle with no ECM/TCM removal required. This saves time, reduces installation risk and helps protect sensitive electronic components making the process faster, safer and more reliable from start to finish.

This kit simplifies the process for both professional shops and experienced DIY users. Supplied through Tuner Depot as an authorized reseller, the kit offers a consistent repeatable upgrade method that helps minimize risk while providing the access required for calibration and tuning on GM E90 ECM and T93 TCM.

Key Features

• On-vehicle upgrade process for GM E90 ECM and T93 TCM
• No removal of ECM or TCM required
• Consistent and repeatable upgrade procedure
• No immobilizer, crank or controller relearn procedures required
• Designed for professional tuning environments and advanced home users

Benefits

• Reduced installation risk by avoiding controller removal
• Time-efficient process with upgrades completed in approximately 20 minutes per controller
• Improved workflow efficiency for shops and technicians
• Maintains factory mounting and connector integrity
• Provides the necessary access for supported calibration operations

What’s Included

• Upgrade interface module
• Upgrade connection cable
• GM E90 ECM network cable
• GM T93 TCM network cable

Vehicle Compatibility

The GM E90/T93 Upgrade Kit is intended exclusively for non-Global B GM vehicles equipped with E90 ECMs and/or T93 TCMs.

Supported GM E90 ECM Applications

• 2019–2022 Chevrolet Silverado 1500 (5.3L, 6.2L V8 – L84 / L87)
• 2019–2022 GMC Sierra 1500 (5.3L, 6.2L V8 – L84 / L87)
• Pre-facelift, non-Global B platforms only

Supported GM T93 TCM Applications

• 2019–2022 Chevrolet Silverado 1500 / GMC Sierra 1500 (5.3L, 6.2L gasoline, 3.0L Duramax)
• 2020+ Chevrolet Camaro
• 2020–2023 Chevrolet Silverado 2500HD / 3500HD (6.6L Duramax L5P)
• Non-Global B platforms only

Technical Specifications

• Upgrade Scope: ECM or TCM access upgrade
• Supported Controllers: GM E90 ECM, GM T93 TCM
• Average Upgrade Time: ~20 minutes per controller
• Installation Method: In-vehicle connection
• Intended Use: Calibration and tuning access on supported vehicles

Installation & Important Notes

• Controller removal is not required
• No post-upgrade relearn procedures required:
  • No immobilizer relearn
  • No crank relearn
  • No controller replacement functions
• A compatible tuning interface and current tuning software are required (sold separately)
• Vehicle licensing is required prior to writing calibration data
• Licensing credits are not included with this kit

Frequently Asked Questions (FAQ)