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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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. […]
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 […]
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 […]
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 […]
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 […]
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 […]
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, […]
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 […]
Use the Pre-Repair Authorization Process for Quick Warranty Approval
Special Tools Software Update Download Process
Torque Converter Fluid Seal Leak
Flex Plate and Starter Motor Damage
Loss of Audio or Abnormal Speaker Operation
Safety Alert Seat Lane Departure Warning Inoperative
Vehicle Systems Work Together to Deliver Trailering App Functionality
Trailering App Trailer Connection and Lighting Diagnosis Update
Easier-to-Use Service Information Consolidates Information and Reduces Links
MDI 2 Required for Next Generation Digital Vehicle Platform
Bolt EV Wiring Harness Connection
New 2020 GM STC Course Catalog Now Available
Power Folding Trailer-Tow Mirror Movement
SiriusXM Radio ID on 2020 Infotainment 3 Systems
TechPRO Professional Aftermarket Diagnostic Application Free Trial
Cold Weather Power Steering Hose Upgrade Kit
GM Service Know-How Emerging Issues
EL-52545 TPMS and RF Tool
PC & Diagnostic Bundle
TechPRO Professional
Aftermarket Diagnostics
Tips for Warranty Reprogramming Events
The GM Loan Tool Program (LTP) supplements the U.S. Essential Tool Program as a cost-effective alternative to purchases of high cost and/or infrequently used special tools. It does not replace […]
The Next Generation Digital Vehicle Platform, GM’s all-new electronic platform that will power the next generation of GM models and systems, including electric vehicles, active safety systems, infotainment systems, and […]
GM models feature a variety of technology and new systems that may be unfamiliar to technicians and service consultants in GM dealerships. Following are several videos highlighting new features to […]
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