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 […]