LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2020 >> Express 2500 Base, Van Cargo, 2.8L Eng VIN 1 >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Programming And Setup) >> Repair Instructions >> Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup (6L90) >> Transmission Control Module (TCM) Replacement
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Transmission Control Module (TCM) Replacement

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

If the TCM is replaced, the following procedures must be performed:

  1. TCM Reprogramming
  2. The Reset Transmission Adapts - Refer to Reset Transmission Adapts
scientia non olet · About LEMON Manuals