Noise from the Transmission Area
There may be a noise from the bell housing area of the DCT TR9080 transmission (RPO M1L, M1M) on some 2020-2024 Corvettes along with a number of DTCs set in […]
There may be a noise from the bell housing area of the DCT TR9080 transmission (RPO M1L, M1M) on some 2020-2024 Corvettes along with a number of DTCs set in […]
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 a tear down and inspection of the VT40 […]
The GM Tools and Equipment program recently introduced their latest tool organization program – the new GM Virtual Tool Crib (VTC). The Virtual Tool Crib application is designed to help […]
Some 2024 Silverado 3500 HD and Sierra 3500 HD models equipped with the 6.6L Duramax Diesel engine (RPO L5P) may have a fuel gauge that drops to empty and an […]
When testing bladed thermal fuses for an open or incomplete circuit, it’s critical to follow the proper procedures as outlined in the appropriate Service Information to reach a correct diagnosis […]
The latest diagnostic assistance from the professionals at the GM Technical Assistance Center is now available in the June GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]
During repairs of the folding top on 2016-2024 Camaro convertible models, there are several key tips to follow to ensure proper operation of the folding top and to help prevent […]
A Side Detection System Temporarily Unavailable message may be displayed on the instrument cluster of some 2024 Silverado 2500 HD/3500 HD and Sierra 2500HD/3500 HD trucks. There also may be […]
The 10-speed automatic transmission (RPO MGM, MGU, MHO, MHS, MHT, MHU, MHX, MKM, MQA, MQB, MQC, MQ2, MI2) on some 2023 CT4, CT5, Silverado, Sierra, Escalade; and 2023-2024 Silverado 2500 […]
Transport Mode, which puts the vehicle’s modules in a low power mode, reduces the electrical parasitic load on the 12V battery on traditional internal combustion engine vehicles as well as […]
The Techline Connect (TLC) application does not support GlobalConnect user IDs or PC login IDs that include spaces or special symbols. Using IDs with these characters may lead to possible […]
If an error occurs when launching the Techline Connect (TLC) application, the first solution is often to try to restart TLC. However, it the application still does not start correctly, […]
Some 2019-2024 Malibu; 2020-2024 Encore GX; and 2021-2024 Trailblazer models equipped with the VT40 CVT transmission (RPO MRG) may have a loss of forward gear or slipping condition. DTC P2714 […]
A slipping Drive or no Drive condition may be present along with DTCs P0746 (Transmission Control Solenoid Valve 1 Stuck Off) or P0747 (Transmission Control Solenoid Valve 1 Stuck On) […]
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 operation of the Next One HFO HVAC machine. […]
Successfully replacing ceramic glow plugs (Fig. 1) in diesel engines requires carefully handling of the plugs and following the proper service procedures in order to prevent potential performance issues. […]
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 […]
The stabilizer bar connects between the left and right shock assemblies through the stabilizer link and stabilizer shaft insulators on 2023-2024 LYRIQ; and 2024 Blazer EV and Equinox EV models. […]