May 2022 – TechLink

Optimizing Fuel Economy with Top Tier Gasoline

Some of the best ways to help enhance fuel economy are through proper maintenance and good driving habits. For example, replacing the engine air filter at the recommended maintenance intervals, […]

May 31, 2022 —

FSE Technician Recognition Awards – 2nd Quarter 2022

The GM Field Service Engineer (FSE) Technician Recognition Awards (U.S.) celebrate the skill and dedication of dealership technicians who have recently worked with FSE’s on challenging repairs. Technicians at GM […]

May 31, 2022 —

Improper Headlamp or Turn Signal Operation Due to GM Accessory Illuminated Emblem

Some 2020-2022 Sierra 1500, Sierra 2500/3500; and 2021-2022 Yukon models may have a driver-side headlamp or turn signal that stays on, flickers or is inoperative. The dealer-installed GM Accessory Illuminated […]

May 31, 2022 —

Transmission Neutral Service Mode on 10-Speed Automatic Transmissions

The 10L80 10-speed automatic transmission (RPO MHS, MQC) available on the new 2022 Silverado 1500 and Sierra 1500 features the Electronic Transmission Range Select (ETRS) system, which electronically shifts the […]

May 31, 2022 —

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 […]

May 31, 2022 —

Get SAVI – New GM Service Advisor Vehicle Interface System Rollout Begins

The national rollout (U.S.) of the Service Advisor Vehicle Interface (SAVI) – GM’s new service lane productivity and vehicle data documentation system – kicked off in April. Service Workbench Pro […]

May 16, 2022 —

DCBS Becomes Essential Equipment as Midtronics GR8 to be Discontinued in 2024

In order to accurately diagnose a battery’s state of health from a vehicle in for service or that is part of the dealership’s inventory, the EL-52800 Diagnostic Charge Battery Station […]

May 16, 2022 —

Contaminated Charge Air Bypass Valve

Some 2011-2016 Cruze; 2012-2020 Sonic; 2013-2022 Encore and Trax models equipped with the 1.4L engine (RPO LUV) may experience several performance conditions, including loss of power, and an illuminated Check […]

May 16, 2022 —

Mismatched Replacement DEF Tank Harness Connector

Prior to replacing the Diesel Exhaust Fluid (DEF) tank on some 2020-2021 Silverado and Sierra models and 2022 Silverado 1500 LTD and Sierra 1500 Limited models, equipped with the 3.0L […]

May 16, 2022 —

Disengaged Tailgate Latch Handle

The tailgate latch handle may become disengaged from the tailgate (Fig. 11) on some 2019-2021 Silverado 1500, Sierra 1500; 2022 Silverado 1500 LTD, Sierra 1500 Limited; and 2022 Silverado 1500 […]

May 16, 2022 —

May Service Newsletter from the Experts at GM TAC

The latest diagnostic assistance from the professionals at the GM Technical Assistance Center is now available in the April GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]

May 16, 2022 —

AFIT Adapter Cable Identification and Vehicle Application Chart Update

The Active Fuel Injector Tester (AFIT), essential tool CH-47976, is designed to test fuel injectors on port and direct injected engines going back to the 1996 model year. As new […]

May 10, 2022 —

Air Conditioning Odor After Auto Stop

A strong odor may be noticed coming from the HVAC vents on some 2020-2022 Equinox and Terrain models when the air conditioning is on. (Fig. 5) The odor may be […]

May 10, 2022 —

Abnormal Engine Tapping Sound

An abnormal engine tapping sound may be heard on some 2019-2022 Silverado and Sierra models equipped with the 2.7L engine (RPO L3B). The sound may be heard from the cam […]

May 10, 2022 —

Unable to Open Convertible Top Due to Unseated Access Hole Plug

Some 2020-2022 Corvette Convertible models may have a power folding top that may not open. DTC B19E1 (Hard Top Stowed Signal) may be set. If the folding top will not […]

May 10, 2022 —

New 2022 Engine Oil Capacities Chart, Adds Filter Specs

The new TechLink Engine Oil Capacities chart for the 2022 model year is now available under the Reference Chart menu. The chart includes engine, RPO, specifications (liters and quarts), oil […]

May 10, 2022 —