Take the 2017 TechLink Reader Survey

Take the 2017 TechLink Reader Survey

At TechLink, we cover a wide range of GM service topics, from the latest diagnostic and technical repair information to new model features, special tools and more. It’s our mission […]

September 29, 2017
Get Real-Time Feedback with the TAC Dealer Case Management System

Get Real-Time Feedback with the TAC Dealer Case Management System

Did you know the new Dealer Case Management (DCM) system allows U.S. GM dealership service technicians to create, view, and update GM Technical Assistance Center (TAC) cases in real-time? DCM […]

September 24, 2017
New GDS2 Core Software Update

New GDS2 Core Software Update

A new version (18.1.161) of the GDS2 core software has been released recently. The update includes numerous software bug fixes.   To download the software update, click the GDS 2 […]

September 24, 2017
New Universal Refrigerant PAG Oil for R-1234yf A/C Systems

New Universal Refrigerant PAG Oil for R-1234yf A/C Systems

GM has recently released a new refrigerant PAG (Polyalkylene Glycol) oil (Fig. 7) specifically engineered to service GM vehicles built with belt-driven air conditioning (A/C) compressors that use the environmentally-friendly […]

September 24, 2017
Left-Hand Thread Cooling System Pressure Test Adapter

Left-Hand Thread Cooling System Pressure Test Adapter

The cooling system surge tank for 2017 Silverado and Sierra models equipped with the 6.6L Duramax diesel engine (RPO L5P) features a new design with two tank caps. The fill […]

September 24, 2017
Common Questions on the New 2018 Terrain

Common Questions on the New 2018 Terrain

The all-new 2018 GMC Terrain is available with a variety of new features that may be unfamiliar to some customers, who may bring their vehicle into the dealership for service […]

September 24, 2017
New TAC Action Centers for CT6 Super Cruise and Enclave

New TAC Action Centers for CT6 Super Cruise and Enclave

The GM Technical Assistance Center, or TAC, (U.S.) has established Action Centers for the 2018 Cadillac CT6 equipped with Super Cruise (RPO UKL) (Fig. 19) and the 2018 Buick Enclave. […]

September 24, 2017
All-New 2018 GMC Terrain Arrives in Style

All-New 2018 GMC Terrain Arrives in Style

The all-new 2018 GMC Terrain is sized and designed to meet the needs of the compact SUV customer. It is a five-passenger, four-door, front-wheel-drive (FWD) vehicle, with available all-wheel-drive (AWD). […]

August 18, 2017
Questions to Ask for Bluetooth Concerns

Questions to Ask for Bluetooth Concerns

What’s one of the first things drivers do after entering their vehicle? If you said use their mobile phone, you’re correct. A recent study shows that the average driver spends […]

August 18, 2017
Repeat DTCs P2096 and P2098

Repeat DTCs P2096 and P2098

Some 2014-2017 Corvette models equipped with the 6.2L V8 engine (RPO LT1) and 8L90 automatic transmission (RPO M5U) (Fig. 9) may have an illuminated Check Engine MIL and repeat DTCs […]

August 18, 2017
Engine Noise or Engine Misfire Condition

Engine Noise or Engine Misfire Condition

Some 2017-2018 Silverado HD, Sierra HD, Express, Savana and Low Cab Forward models equipped with a 6.0L V8 engine (RPOs L96, LC8) (Fig. 10) may have an engine noise or […]

August 18, 2017
Glow Plug Control Module Software Update

Glow Plug Control Module Software Update

A Glow Plug Control Module (GPCM) DTC or individual glow plug DTCs may be set, along with an illuminated Check Engine MIL, on some 2017 Silverado and Sierra models equipped […]

August 18, 2017
Service Know-How

Service Know-How

10217.10V – Emerging Issues October 12, 2017   The latest service topics from Brand Quality and Engineering are reviewed, including a demonstration of the updated 2018MY 8-speed transmission clutch learn […]

August 18, 2017
Super Cruise Brings Hands-Free Driving to 2018 CT6

Super Cruise Brings Hands-Free Driving to 2018 CT6

Super Cruise™, the automotive industry’s first true hands-free driving technology for the freeway, is now available on the 2018 Cadillac CT6. (Fig. 1)   Fig. 1   By automatically steering […]

August 1, 2017