Home
Tool Job Aids
Reference Charts
Languages
- French
- Spanish
GM Service Technical College
Contact Us

Other Languages

French
Spanish

Comments are closed.

Search

Generic selectors

Exact matches only

Search in title

Search in content

Post Type Selectors

Print Edition

Click to Download

TechLink PDF

Previous Articles

BCM Series: Content Theft Deterrent System
Return All Transmission-Related Parts to the WPC
New Body Control Module Series: Unlocking Keyless Entry Functions
GM Service Know-How Emerging Issues
Record Serial Numbers for Removed and Installed Components Under Certain Labor Operations
Control Module Reprogramming Selection Now Required in SPS
Becoming a World Class Technician – New Certification Requirements Coming in 2028
Ethernet Cable Overlay for Telematic Control Module Interference
August Service Newsletter from the Experts at GM TAC
Inoperative Engine Cooling Fan
Transmission Stuck in 1st Gear
Gear Shift Control Module Contamination
New GM Parts Connect Delivers Smarter, Faster Parts Lookup
GM Service Know-How Emerging Issues

lunch Metting Image

Lunch with Your FSEs Monthly Meeting

September 16, 2026

Join the monthly 1-hour call (U.S. only) with your Field Service Engineers to discuss current technical topics. Three call times are available.

TAC Newsletter September 2026

TechLink PDF

TAC Newsletter August 2026

TechLink PDF

DCA-8000
Troubleshooting
Guide

GM Laptop Promotion

MDI-2 Connections and Advanced Setup 2026

TechLink PDF

CX Connect Case Creation Help + Tips and Tricks

TechLink PDF

Archives

Archives

Tools

A/C Leak Detection Dye for EVs

A/C Leak Detection Dye for EVs

May 21, 2026 — 2 comments

GM has recently established a new air conditioning refrigerant leak diagnostic procedure for GM EVs and PHEVs — including the Silverado EV, Blazer EV, Equinox EV, Bolt EV/EUV, Corvette E-Ray, […]

Techline

Create Custom Data Lists in GDS 2

Create Custom Data Lists in GDS 2

May 21, 2026 — 0 comments

The latest update to GDS 2 in Techline Connect provides technicians with the ability to build personalized data parameter lists tailored for specific diagnostic sessions — identifying only the data […]

How Things Work

How Things Work

New Model Features and Product Information Videos

Take a detailed look at a wide range of innovative features and advanced systems found on GM vehicles to gain a better understanding of proper operation. Each short video reviews how a feature works, highlights operating tips and shows ways to customize settings, if applicable.

Copyright © 2026 TechLink. All Rights Reserved.

Designed by WPZOOM