All-New C8 – The 2020 Corvette Stingray Makes a Mid-Engine Move

All-New C8 – The 2020 Corvette Stingray Makes a Mid-Engine Move

The all-new eighth generation 2020 Chevrolet Corvette Stingray (C8) features a sleek, performance-focused design with a first-ever mid-engine configuration. (Fig. 1) The rear weight bias enables the capabilities of the […]

March 31, 2020
2020 Corvette Stingray Powertrain

2020 Corvette Stingray Powertrain

The all-new 2020 Corvette Stingray delivers exceptional performance through a combination of rear weight bias, aerodynamics, chassis tuning and its new mid-engine small block V8 and 8-speed dual clutch transmission […]

March 31, 2020
2020 Corvette Pre-Delivery Inspection Tips

2020 Corvette Pre-Delivery Inspection Tips

The Pre-Delivery Inspection (PDI) of the new 2020 Corvette Stingray includes several special inspections and installation procedures. Be sure to complete all items on the PDI form. Here are a […]

March 31, 2020
Front View Camera Programming and Learn Procedure

Front View Camera Programming and Learn Procedure

After replacing and programming the B174W Front View Camera Module (Fig. 30) on the 2020 CT5, the learn procedure using GDS2 may not be able to be started. Any of […]

March 31, 2020
Endgate Closure with Accessory Tonneau Cover

Endgate Closure with Accessory Tonneau Cover

After installing an accessory tonneau cover on some 2019-2020 Silverado 1500 and Sierra 1500 models and 2020 Silverado 2500HD/3500 HD and Sierra 2500HD/3500HD models, the endgate may fail to auto […]

March 31, 2020
Intermittent Slip in Reverse

Intermittent Slip in Reverse

Some 2019-2020 Colorado and Canyon models equipped with the 6L50 automatic transmission (RPO MYB) may have an intermittent slip condition or may not engage when shifted into Reverse. The intermittent […]

March 31, 2020
GDS2 Core Software Update Increases Efficiency

GDS2 Core Software Update Increases Efficiency

The latest update to the GDS2 core software (Version 21.3.06900) in TIS2Web recently released includes changes for Diagnostics over Internet Protocol (DoIP) diagnostics, new messaging for MDI 2/MDI usage on […]

March 31, 2020
All-New Buick Encore GX Arrives

All-New Buick Encore GX Arrives

The all-new 2020 Buick Encore GX (Fig. 1) is a crossover sport utility vehicle designed and manufactured globally and sold worldwide. It slots in the Buick lineup between the smaller […]

March 19, 2020
New 3-Cylinder Engines Drive Buick Encore GX

New 3-Cylinder Engines Drive Buick Encore GX

The all-new 2020 Buick Encore GX (Fig. 10) features two new, fuel efficient, turbocharged 3-cylinder engines mated to either a continuously variable transmission (CVT) or a Hydra-Matic 9-speed automatic transmission. […]

March 19, 2020
Servicing Check Engine Light Conditions on 2020 Models

Servicing Check Engine Light Conditions on 2020 Models

GM requires that technicians document the causal Diagnostic Trouble Code (DTC) that leads them to a vehicle warranty repair. The DTC is to be documented in the “Cause Comments” section […]

March 19, 2020
Technicians Go Big to Get Multi-Panel Views in Techline Connect

Technicians Go Big to Get Multi-Panel Views in Techline Connect

Techline Connect (TLC) is GM’s latest tool to bring diagnostic information and vehicle data to technicians in one easy-to-use application. With all the information that is available through TLC, the […]

March 19, 2020
New Software Release for GE-50300-A A/C Machine Updates Leak Testing Feature

New Software Release for GE-50300-A A/C Machine Updates Leak Testing Feature

New updated software for the GE-50300-A R1234yf A/C Machine (Fig. 25) is now available to be downloaded through the Special Tools and Software Updates app in GM GlobalConnect. The software […]

March 19, 2020
Water Intrusion at Rear Electrical Connector

Water Intrusion at Rear Electrical Connector

A Service Park Assist message may be displayed on the Driver Information Center or the power liftgate may not be operating on some 2017-2020 Acadia and 2019-2020 Blazer models. The […]

March 19, 2020
Wind Noise from the Front of the Vehicle

Wind Noise from the Front of the Vehicle

The 2020 Sierra 2500HD/3500HD may have a whistling sound coming from the front of the vehicle while driving. (Fig. 29) The intermittent sound is most commonly heard when the vehicle […]

March 19, 2020
New GM ToolNet Release Date Announced

New GM ToolNet Release Date Announced

GM ToolNet, the new asset management application to help GM dealerships in organizing and managing their special service tools inventory, will be launched April 14, 2020. Developed by Bosch Corporation, […]

March 19, 2020
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. The latest service topics from GM Brand Quality and Engineering covered in […]

March 19, 2020