Techline Customer Support Center Introduces Dealer Case Management Support

Techline Customer Support Center Introduces Dealer Case Management Support

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 […]

September 30, 2024
Beware of Counterfeit Diagnostic Tools

Beware of Counterfeit Diagnostic Tools

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 […]

September 30, 2024
New High-Voltage Insulating Glove Subscription Service Available Through GM Global Tools Website

New High-Voltage Insulating Glove Subscription Service Available Through GM Global Tools Website

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 […]

September 30, 2024
2024 Model Year Engine Oil Capacities Chart

2024 Model Year Engine Oil Capacities Chart

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 […]

September 30, 2024
September Service Newsletter from the Experts at GM TAC

September Service Newsletter from the Experts at GM TAC

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 […]

September 30, 2024
New 2024 Equinox EV Touts Style and Performance

New 2024 Equinox EV Touts Style and Performance

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. […]

September 19, 2024
MDI 2 Manager Software Update

MDI 2 Manager Software Update

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 […]

September 19, 2024
Purging the Hybrid/Electric Battery Coolant Pump

Purging the Hybrid/Electric Battery Coolant Pump

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 […]

September 19, 2024
Steering Bump Condition on Rough Roads

Steering Bump Condition on Rough Roads

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. […]

September 19, 2024
Looking for More Information? Here’s Where to Find the Latest Technical Resources Available

Looking for More Information? Here’s Where to Find the Latest Technical Resources Available

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 […]

September 19, 2024
GM Service Know-How Emerging Issues

GM Service Know-How Emerging Issues

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   […]

September 19, 2024
Wiper Blade Performance Diagnosis

Wiper Blade Performance Diagnosis

Streaking is the most common warranty condition found with wiper blades on GM models. However, worn blades are not the only cause of streaking. Several other issues that can affect […]

August 31, 2024
8-Speed Transmission Noise Concerns

8-Speed Transmission Noise Concerns

There may be a noise concern on some 2015-2019 Corvette; 2015-2020 Escalade, Yukon; 2015-2024 Silverado 1500, Sierra 1500; 2016-2018 CT6; 2016-2019 ATS, CTS; 2016-2023 Camaro; 2017-2023 Colorado, Canyon; 2017-2024 Express, […]

August 31, 2024
Inoperative IntelliBeam Auto High-Beam Headlamps

Inoperative IntelliBeam Auto High-Beam Headlamps

The functionality of the IntelliBeam automatic high-beam headlamps may be inoperative on some 2024-2025 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD trucks. (Fig. 17) The side blind zone and side object detection […]

August 31, 2024
Wheel Drive Shaft Retention Snap Ring Design Change

Wheel Drive Shaft Retention Snap Ring Design Change

There has been a design change to the wheel drive shaft retention snap ring on 2024-2025 Silverado EV, Sierra EV, HUMMER EV Pickup, HUMMER EV SUV; and 2025 BrightDrop 600. […]

August 31, 2024
August Service Newsletter from the Experts at GM TAC

August Service Newsletter from the Experts at GM TAC

The latest diagnostic assistance from the professionals at the GM Technical Assistance Center is now available in the August GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]

August 31, 2024
New Vehicle-Wide Programming for Software Updates

New Vehicle-Wide Programming for Software Updates

With its enhanced capacity and ability to manage technology complexity, the GM Vehicle Intelligence Platform (VIP) electrical architecture offers the capability of managing over 100 electronic control modules. When necessary, […]

August 23, 2024
Front Bumper Bracket May Affect Active Grille Shutter Operation

Front Bumper Bracket May Affect Active Grille Shutter Operation

Some 2024 Acadia, Traverse; and 2025 Enclave models may have an active grille shutter malfunction along with DTC P059F (Active Grille Air Shutter 1 Performance) set in the Engine Control […]

August 23, 2024
GM Service Know-How Emerging Issues

GM Service Know-How Emerging Issues

The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM-certified repairs. This month the seminar highlights adjustments to the HUMMER EV Sky Panel. (Fig. […]

August 23, 2024