Techline

New Techline Connect Software Update Released

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

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

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

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

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

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

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

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

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

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
GDS2 Update Includes New MDI Tool Selection Window

GDS2 Update Includes New MDI Tool Selection Window

The latest GDS2 core update release (v22.2.05000) includes an update to the J2534 Wrapper, or MDI tool selection window. Since the MDI no longer receives updates to its core software, […]

November 23, 2021
Check for Required Calibrations before Installing GM Accessories

Check for Required Calibrations before Installing GM Accessories

After installing a number of select GM Genuine Accessories (Fig. 16), a calibration update from the Techline Customer Support Center (TCSC) is required in order to complete the installation properly. […]

September 24, 2021
Performing Successful Warranty Reprogramming Events

Performing Successful Warranty Reprogramming Events

In order to ensure successful and complete repairs are made when reprogramming control modules, GM reviews module reprogramming warranty claim information and compares it to Service Programming System (SPS) reprogramming […]

June 29, 2021
GM Accessory Cold Air Intake System Requires Calibration

GM Accessory Cold Air Intake System Requires Calibration

The Chevrolet Performance, GMC and Cadillac Cold Air Intake System (RPO 5W7, RVK) available on 2021 Camaro, Silverado, Tahoe, Suburban, Sierra, Yukon and Escalade models equipped with the 5.3L V8 […]

May 17, 2021
Tips for USB Programming

Tips for USB Programming

Programming calibrations and software requires the transfer of large files to the vehicle from the Service Programming System (SPS). When transferring a large file (greater than 1 GB) from the […]

April 29, 2021
Tips for Over-The-Air Software Programming

Tips for Over-The-Air Software Programming

Over-the-Air (OTA) software updates (Fig. 1) that are pushed to vehicles remotely continue to expand in frequency and use on GM models. Vehicles using the Global A electrical architecture can […]

March 12, 2021