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Wiper Blade Performance Diagnosis

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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.

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