Battery replacements made under warranty require that a number of items be completed properly in the dealership not only to support the warranty claim but to also ensure an accurate […]
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 […]
The Chevrolet Performance, GMC and Cadillac Cold Air Intake System (RPO 5W7, RVK) available on 2021 Camaro, Silverado, Tahoe, Suburban, Sierra, Yukon and Escalade models equipped with the 5.3L V8 […]
Some 2019-2021 XT4, XT5, Blazer, Acadia; 2020-2021 CT4 and CT5 models equipped with the 2.0L 4-cylinder engine (RPO LSY) may have a possible engine overheating condition along with an Engine […]
False Park Assist alerts (Fig. 20) may occur on some 2019-2021 Silverado and Sierra trucks when there is not an object in front and/or behind the vehicle. As a result […]
When performing internal transmission repairs on GM transmissions (Fig. 1) under warranty, current labor times focus on replacing the damaged part(s), with Other Labor Hours (OLH) as the only option […]
The latest update to the GM Global Electronic Parts Catalog (EPC) has recently been released. It features several enhancements to help make parts searches easier and more efficient, including additional […]
Programming calibrations and software requires the transfer of large files to the vehicle from the Service Programming System (SPS). When transferring a large file (greater than 1 GB) from the […]
A new warranty requirement (U.S. only) is being implemented when replacing the Remote Keyless Entry (RKE) transmitter (key fob) (Fig. 12) under warranty on 2017-2022 GM vehicles equipped with Remote […]
The all-new 2021 Cadillac Escalade (Fig. 17) is available with a variety of new features and customized options. Several of these newly designed systems may be unfamiliar to technicians. Here […]
Some 2016-2020 Express and Savana vans equipped with the 6.0L V8 engine (RPO L96, LC8) may have a lack of power when driving up grades or after the vehicle has […]
There may be several shudder concerns while driving on some 2020-2021 Silverado, Tahoe, Suburban, Sierra, Yukon and Escalade models that may be mistaken as a transmission-related concern. If the concern […]
A loud ticking or rattle sound may be heard coming from the engine compartment on some 2020-2021 Enclave and Traverse models equipped with the 3.6L V6 engine (RPO LFY). 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 […]
Safety Arc-Rated Personal Protection Equipment for Electric Vehicles
Engine Oil Capacities Chart for the 2026 Model Year
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Harsh Garage Shift into Drive or Reverse
Make a Reservation to Meet with Your FSEs in 2026
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GM Service Know-How Emerging Issues
Engine Control Module Diagnosis and ECM Part Restriction
Front Brake Caliper Sound and Uneven Pad Wear
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Check Ground Terminals for Transmission Fluid Temperature Sensor Circuit Condition
December Service Newsletter from the Experts at GM TAC
FSE Technician Recognition Awards – 4th Quarter 2025DCA-8000
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TAC Newsletter February 2026
TAC Newsletter January 2026
Techline Connect Tips November 2024
CX Connect Case Creation Help + Tips and Tricks
Safety Arc-Rated (AR) Personal Protection Equipment (PPE) is recommended to be used by technicians when servicing some high-voltage battery packs under certain scenarios on GM electric vehicles. The PPE that […]
GM diagnostic strategy does not support the practice of swapping control modules during the course of diagnosis or to expedite a repair. Features in today’s vehicles are increasingly software configurable. […]
Take a detailed look at a wide range of innovative features and advanced systems found on GM vehicles to gain a better understanding of proper operation. Each short video reviews how a feature works, highlights operating tips and shows ways to customize settings, if applicable.
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