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 […]
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 […]
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 […]
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. […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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. […]
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. […]
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 […]
The Tremec DCT TR9080 dual clutch transmission (RPO M1L, M1M) (Fig. 1) on 2020-2024 Corvettes features a transmission canister filter that should be replaced at the initial 7,500-mile (12,000-km) maintenance […]
The case design of the DCT 8-speed transmission (RPO M1L) (Fig. 7) in 2020-2023 Corvettes is being updated toward the end of the 2023 model year. Fig. 7 […]
Some 2012-2014 Cruze models equipped with the 1.8L engine (RPO LUW, LWE) and a manual transmission may have a knock sound at the front of the vehicle when starting the […]
The trailer brakes may become disabled while pulling a trailer on some 2023 Colorado, Tahoe, Suburban, Silverado 4500/5500, Canyon, Yukon, Escalade; 2024 Silverado 2500HD/3500HD, Silverado EV, Sierra 2500HD/3500HD and HUMMER […]
The design of today’s modern vehicles — and the proper operation of many new components and systems — has led to the critical importance of properly balanced and low Road […]
The latest Original Equipment (OE) Battery Ratings chart for the 2024 model year is now available under the Reference Charts menu for use when testing OE batteries. (Fig. 1) […]