DEF Tank Heater and Wiring Harness Updates
Several updates are now available to address Diesel Exhaust Fluid (DEF) tank, or Emission Reduction Fluid tank (Fig. 18), conditions on some full-size trucks and SUVs equipped with the 6.6L […]
Several updates are now available to address Diesel Exhaust Fluid (DEF) tank, or Emission Reduction Fluid tank (Fig. 18), conditions on some full-size trucks and SUVs equipped with the 6.6L […]
GM Engineering has recently approved the use of renewable diesel, R-99 or R-95, for all 2006-2022 GM vehicles equipped with a diesel engine. (Fig. 25) Fig. 25 Renewable […]
Some 2020-2022 Corvette models may have a Service Transmission message on the Driver Information Center (DIC), an illuminated Check Engine MIL and a squealing sound immediately after starting the engine. […]
The latest diagnostic assistance from the professionals at the GM Technical Assistance Center is now available in the June GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]
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, […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]