Techline

Techline Update Manager

The Techline Update Manager application is currently part of a staggered update to Techline Connect, with additional dealerships receiving the update weekly. The new Techline Update Manager (TUM), which is […]

May 31, 2024 —

MDI 2 Advanced Setup Technical Tips Update

With the MDI Manager application software, the MDI 2 can be configured to communicate with a PC using several possible networks, such as a USB cable, ethernet cable, Wireless Local […]

February 20, 2024 —

Diagnose Non-GM Vehicles with the TechPRO Professional Aftermarket Diagnostic App

The MAHLE TechPRO Professional Aftermarket Diagnostics application (Fig. 9) was recently introduced by GM Customer Care and Aftersales to help U.S. dealerships with diagnosing non-GM vehicles. The diagnostic app provides […]

December 15, 2023 —

New Techline Connect Browser Launch Makes Signing In Easy

A new feature will make logging into Techline Connect easier and quicker for users. Previously, Techline Connect had its own unique login, using the Techline Connect desktop icon, and users […]

October 13, 2023 —

New Techline Connect Software Update Released

The September Techline Connect (TLC) software release includes several updates to enhance the performance of the application. The update should be downloaded automatically when logging in to Techline Connect. (Fig. […]

September 21, 2023 —

Diagnosing Over-the-Air Update Concerns

When an Over-the-Air (OTA) update has been downloaded to a 2021-2024 Chevrolet, Buick, GMC or Cadillac vehicle and is available to be installed, a message is displayed on the infotainment […]

July 31, 2023 —

Updated Techline Connect Tips

The Techline Customer Support Center (TCSC) has released their latest tips for Techline Connect and the Service Programming System. The tips — included in the easy-to-print PDF below — cover […]

April 21, 2023 —

Radio Remains On After OTA Update

After an Over-the-Air (OTA) software update on some 2021-2022 Corvette and 2022 Envision models, the radio may not turn off after the vehicle’s ignition has been turned off and the […]

March 14, 2023 —

New Models Using VIP Require the MDI 2

The Vehicle Intelligence Platform (VIP) electrical architecture continues to power a growing number of new GM vehicles for the 2023 model year. The VIP architecture offers enhanced capacity and the […]

January 18, 2023 —

New 2023 Dealer Infrastructure & Security Guidelines

The new GM Dealer Infrastructure & Security Guidelines (DISG) are now available to help dealers with the technology needed to ensure reliable data communications, including recommended personal computer (PC) specifications. […]

December 23, 2022 —

Fine Tune Service Information Searches with RPO Data

Technicians navigating in Service Information (SI) using the year, make and model (YMM) of a vehicle are used to seeing all service manual content for that vehicle displayed — that […]

September 20, 2022 —

Reducing Wi-Fi Interference in the Service Department

A wireless network in the dealership service department offers the freedom of connecting a variety of devices without being tethered by wires. But wireless networks have limits since, in a […]

July 11, 2022 —

MDI Manager Software Update Splits MDI 1 and MDI 2 into Separate Applications

The Multiple Diagnostic Interface 1 & 2 (MDI/MDI 2) are designed to connect a vehicle to a host PC computer application for data transfer and Electronic Control Unit (ECU) reprogramming. […]

June 21, 2022 —

New Techline Connect Software Update Released

The March Techline Connect (TLC) software release includes several updates to aid navigation in the app as well as enhance screen formatting. The update should be downloaded automatically when logging […]

April 5, 2022 —