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 […]
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 […]
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 […]
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 […]
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 […]
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. […]
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 […]
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 […]
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. […]
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 […]
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 […]
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 […]
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, […]
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 […]
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. […]
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 […]
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, […]
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 […]
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. […]
Unwanted Reverse Automatic Braking
Adjusting the Hood Bumpers and Latch to Remove Low Spots on Hood
Low-Beam Headlamp Diagnosis
Correct Tire Size Affects Driver Assistance Systems
Loss of Communication with ECM
July Service Newsletter from the Experts at GM TAC
Resolving Service Programming System Errors
Corvette Transmission External Canister Filter and Maintenance Update, Labor Code Added
FSE Technician Recognition Awards – 2nd Quarter 2024
Noise from the Transmission Area
GM Service Know-How Emerging Issues
GM Virtual Tool Crib App Tracks Dealerships’ Special Tools Inventory
Insufficient Dual Tank Fuel Transfer
Properly Testing Bladed Thermal Fuses
June Service Newsletter from the Experts at GM TAC
Preventing Rear Glass Damage During Folding Top Service
Side Detection System Unavailable
Transmission Not Shifting, Defaults to 5th Gear
Turning Off Transport Mode in the Vehicle Settings MenuGM Dealer Equipment (GMDE)
TAC Newsletter September 2024
TAC Newsletter August 2024
Techline Connect Tips June 2024
A new GM Tools and Equipment program has recently been announced by GM that aims to quickly deliver the essential tools dealerships need while providing a world-class customer service experience. […]
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 […]
Take a detailed look at a wide range of innovative features and advanced systems found on GM vehicles to gain a better understanding of proper operation. Each short video reviews how a feature works, highlights operating tips and shows ways to customize settings, if applicable.
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