The Next Generation Digital Vehicle Platform, GM’s all-new electronic platform that will power the next generation of GM models and systems, including electric vehicles, active safety systems, infotainment systems, and […]
GM has recently released revised Dealer Infrastructure Guidelines (DIG) for 2020. The guidelines outline the dealership technology needed to ensure reliable data communications for all dealers, including recommended personal computer […]
When running Vehicle DTC and ID Information in the GDS2 application, it will run the Vehicle DTC service to check all vehicle modules for DTCs. When the Vehicle DTC check […]
Techline computers in GM dealerships running a Windows 7 Professional operating system (OS) must be replaced by December 31, 2019 in order to receive assistance from the Techline Customer Support […]
The Service Information (SI) now features new Scalable Vector Graphics (SVG) in some of the new SI documents and bulletins. (Fig. 4) Simply put, this means the new graphics and […]
Currently being rolled out to select dealerships in the U.S., Techline Connect brings together all the common resources technicians use every day for diagnosis and repairs in one simple application. The […]
GM has recently updated the Service Programming System (SPS) with a new method of selecting a J2534 tool in TIS2Web. A J2534 tool (MDI, MDI 2, or other J2534 device) […]
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 […]
Techline computers in GM dealerships running a Windows 7 Professional operating system (OS) must be replaced by December 31, 2019 in order to receive assistance from the Techline Customer Support […]
GM is currently offering several GM diagnostic tool packages that provide U.S. dealerships an opportunity to upgrade obsolete Windows 7 computers and pick up a new MDI 2 (Multiple Diagnostic […]
While programming an Engine Control Module (ECM) on some 4-cylinder engines, the Service Programming System (SPS) may prompt for an engine identification number. (Fig. 15) The engine ID number is […]
GM new vehicle limited warranties may be partially or fully voided for a number of reasons. To verify warranty coverage, Investigate Vehicle History (IVH) must be used in order to […]
November Service Newsletter from the Experts at GM TAC
Questions About Labor Times?
Stay Updated — IOK Radio Software and Connection Conditions
Key Fob Synchronization
Tips on Identifying Diesel Fuel Contamination
Midtronics Diagnostic Charger DCA-8000P Announced as Essential Tool
Accessing Air Ride Adaptive Suspension Data
Aftermarket Exhaust System Conditions
Lower Case Extension and Oil Pan ComparisonDCA-8000
Troubleshooting
Guide
TAC Newsletter December 2025
TAC Newsletter November 2025
Techline Connect Tips November 2024
CX Connect Case Creation Help + Tips and Tricks
All buttons on one key fob (Remote Keyless Entry transmitter) may be inoperative on some 2023-2026 Escalade, LYRIQ, Corvette, Silverado 1500, Silverado 2500HD/3500HD, Tahoe, Suburban, Sierra 1500, Sierra 2500HD/3500HD, Yukon; […]
To avoid wait times for technical support in the dealership, prior to contacting the GM Technical Assistance Center (TAC) and Techline Customer Support Center (TCSC) as well as and other […]
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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