What to Do Next  —  Q&A on the End of Windows 7

What to Do Next — Q&A on the End of Windows 7

The end of Windows 7 is rapidly approaching. Microsoft has announced that it will end support of Windows 7 Professional on January 14, 2020. In addition, the most recent GM […]

May 17, 2019

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August 9, 2018
Latest GDS2 Core Software Updates VIN Field

Latest GDS2 Core Software Updates VIN Field

The latest update to the GDS2 core software (Version 20.0.18400) in TIS2Web, released April 23, 2018, includes changes to the VIN field on the Vehicle Selection screen. After updating the […]

April 30, 2018
White Powder Appearance on A/C Line

White Powder Appearance on A/C Line

The appearance of white powder below the air conditioning lines in the engine compartment may be noticeable on some 2017-2018 Colorado and Canyon models. (Fig. 8) Fig. 8 The powder […]

April 30, 2018

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January 26, 2018

  Medium-Duty Truck Essential Tools Instructional videos and active website links enhance service procedures.   Medium-Duty Truck Essential Tools 2018 model year changes include additional models, battery monitoring.   Medium-Duty […]

January 26, 2018

Reference Charts

2019-2022 Battery Ratings Chart 2019-2020 Engine Oil Capacity Chart 2016-2018 Battery Ratings Chart 2016-2018 Engine Oil Capacities Chart

January 25, 2018

Tool Job Aids

AFIT Adapter Cable Identification and Vehicle Application Chart J-38125 Terminal Repair Kit Update Procedure

January 25, 2018

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January 25, 2018

TechLink 2017 Survey

November 1, 2017

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April 20, 2017


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May 23, 2016


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September 28, 2015
Essential Tools

Essential Tools

Following is a summary of some of the GM Essential Tools highlighted on TechLink with links to related tool information.   For more information about GM special tools, review the […]

June 5, 2015


J-38125 Terminal Repair Kit Update Procedure   2014-2015 Engine Oil Capacities       GDS2 Supported Vehicles

January 22, 2015

PDF Archives

2020 December B 2020 December A 2020 November B 2020 November A 2020 October B 2020 October A 2020 September B 2020 September A 2020 August B 2020 August A […]

April 8, 2014

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October 9, 2012