The Techline Customer Support Center (TCSC) has introduced Dealer Case Management (DCM) support for all inbound cases. The DCM system (U.S.) enables dealership technicians to create, view and update Techline […]
GM and Bosch Diagnostics continue to find counterfeit MDI and MDI 2 tools (Fig. 5) available to the aftermarket through several online websites. These tools appear very authentic from their […]
Certified Class “0” insulating gloves rated at 1000V with leather protectors (Fig. 6) provide an insulative barrier between an electrical point and the skin of an individual, and are required […]
The updated TechLink Engine Oil Capacities chart for the 2024 model year is now available under the Reference Charts menu. The chart includes engine, RPO, specifications (liters and quarts), oil […]
The latest diagnostic assistance from the professionals at the GM Technical Assistance Center is now available in the September GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]
The all-new 2024 Equinox EV (Fig. 1) focuses on safety, space, performance and style — all while offering the value attributes that the Equinox nameplate is known for. Fig. […]
A new software update for the MDI 2 Manager is being rolled out to GM dealerships (U.S.) The staggered rollout of the new MDI 2 Manager software (version 9.1.2202.128) includes […]
The 2024-2025 Corvette E-Ray features an independent cooling system to cool the high-voltage battery. If air gathers and gets trapped in the hoses around the Hybrid/Electric Vehicle Battery Coolant Pump […]
A slight knocking or thud sound may be heard coming from the steering column area when driving some 2014-2025 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD trucks over rough roads or potholes. […]
Automotive technology changes quickly, which, for dealership technicians, requires dedication as well as training to stay up to date on the latest changes in today’s advanced vehicles. A key to […]
The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM-certified repairs. This month the seminar covers Vehicle-Wide Programming. (Fig. 26) Fig. 26 […]
Prelube Procedure Required Before Drive Belt Installation During Engine Replacement
New GM STC Program Guide Goes Digital, Offers Easy Navigation to the Latest Training Information
Identify Parts Before Shipping to the WPC
Follow the Links – Check Service Information for All the Details on Every Repair
Performing the Long Range Radar Sensor Module Learn Procedure
Enclave Front License Plate Bracket Installation
June Service Newsletter from the Experts at GM TAC
SPS Events Soon to Require Hard-Wired Connection to MDI 2
Techline Connect App Resources Now on Global Connect
Windows 10 Support Ending Soon
Multiple DTCs Set Due to Wiring Harness Damage
GM Service Know-How Emerging IssuesDCA-8000
Troubleshooting
Guide
TAC Newsletter August 2025
TAC Newsletter July 2025
Techline Connect Tips November 2024
CX Connect Case Creation Help + Tips and Tricks
If the engine for a GM model needs to be replaced with a new engine or has to be overhauled, be sure to perform the Engine Prelubing procedure as part […]
Microsoft has announced it will discontinue free support of the Windows 10 operating system (OS) on October 14, 2025. The Techline Customer Support Center (TCSC) will continue to support personal […]
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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