Wheel Drive Shaft Damage

Wheel Drive Shaft Damage

Damage to the wheel drive shaft threads (Fig. 1 and 2) may occur if power tools are used to remove the wheel drive shaft nut on some 2021-2023 XT5, XT6, […]

November 29, 2023
Shift Concerns on 8-Speed Transmissions

Shift Concerns on 8-Speed Transmissions

The 8-speed automatic transmissions (RPO M5N, MNU, M5U, M5X, MHA, M5T, MQE, MQD) in some 2015-2018 Corvette; 2015-2020 Escalade, Yukon; 2015-2023 Silverado 1500, Sierra 1500; 2016-2018 CTS; 2016-2019 ATS, CTS; […]

November 29, 2023
Loose Connection at Connector X175

Loose Connection at Connector X175

A number of powertrain DTCs may be set along with an illuminated Check Engine MIL on some 2023-2024 Colorado, Canyon; 2024 Silverado 1500 and Sierra 1500 models equipped with the […]

November 29, 2023
November Service Newsletter from the Experts at GM TAC

November 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 November GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]

November 29, 2023
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 takes a look at the new 2024 Corvette E-Ray. […]

November 29, 2023
2024 Mark of Excellence Program Enrollment Extended

2024 Mark of Excellence Program Enrollment Extended

The Mark of Excellence program (U.S.) recognizes the achievements, professionalism, and commitment of GM dealership personnel, including those in the service department. Service technicians enrolled in the 2024 program who […]

November 20, 2023
12-Volt Battery Service in EVs

12-Volt Battery Service in EVs

GM Electric Vehicles (EV), such as the LYRIQ, Blazer EV and Silverado EV, are equipped with a high-voltage battery system for vehicle propulsion and a 12V battery system that is […]

November 20, 2023
Front Fascia and Headlamp Adjustment

Front Fascia and Headlamp Adjustment

The paint may have chipped or peeled on the front fascia or fender-to-fascia body seam on some 2020-2024 Corvettes. (Fig. 9) The paint chip may be due to the headlamp […]

November 20, 2023
October Service Newsletter from the Experts at GM TAC

October 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 October GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]

October 30, 2023
Inoperative Front Heated Seat Switch Indicator Lights

Inoperative Front Heated Seat Switch Indicator Lights

It may appear that the front heated seats do not turn on in some 2023-2024 Silverado and Sierra trucks. When a front heated seat is turned on, any combination of […]

October 30, 2023
Unable to Complete System Calibration for Trailering Features

Unable to Complete System Calibration for Trailering Features

There may be some difficulty in setting up several trailering features on some 2024 Silverado 1500, Silverado 2500/3500, Sierra 1500 and Sierra 2500/3500 models equipped with the Surround Vision Cameras […]

October 30, 2023
FSE Technician Recognition Awards – 3rd Quarter 2023

FSE Technician Recognition Awards – 3rd Quarter 2023

The GM Field Service Engineer (FSE) Technician Recognition Awards (U.S.) celebrate the skill and dedication of dealership technicians who have recently worked with FSE’s on challenging repairs. Technicians at GM […]

October 20, 2023
3rd-Row Power Folding Seat Switch Connection

3rd-Row Power Folding Seat Switch Connection

Some 2021-2023 Tahoe, Suburban, Yukon and Escalade models may have a low battery or no engine crank condition after the vehicle sits for a day or more. Checking for a […]

October 20, 2023
Missing Tow Eye Access Cover

Missing Tow Eye Access Cover

During the Pre-Delivery Inspection (PDI) on some 2024 Encore GX, Envista, Trailblazer and Trax models, it may be noticed that the front or rear bumper tow eye access cover (Fig. […]

October 20, 2023
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 reviews timing belt replacement on the 2.8L diesel engine. […]

October 20, 2023
New Techline Connect Browser Launch Makes Signing In Easy

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