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 […]
Many GM vehicles are equipped with Low Voltage Differential Signaling (LVDS), Universal Serial Bus (USB) and Coaxial (Coax) cables for a number of screen and camera connections as well as […]
When diagnosing an infotainment system, it’s important to remember that software and calibrations are not the same thing and are not interchangeable terms. Calibrations instruct the radio what to do […]
When a GM vehicle is involved in an incident that involves vehicle damage or possible property damage, dealerships (U.S.) may need to work with their respective Customer Assistance Center to […]
Some 2019-2021 Silverado and Sierra models equipped with the 5.3L V8 engine (RPOs L82, L84) or 6.2L V8 engine (RPO L87) may have an illuminated Check Engine MIL and DTC […]
Some 2020-2021 Silverado, Sierra; 2021 Tahoe, Suburban, Yukon and Escalade models equipped with the 3.0L diesel engine (RPO LM2) may have an oil leak concern and DTC P06DD (Engine Oil […]
The front windows may drop enough to cause wind noise on some 2018-2021 Equinox and Terrain models. After driving the vehicle while the infotainment system is at a high volume […]
A rough idle or vibration at idle may be present with the transmission in Drive or Park on some 2019-2021 Silverado and Sierra models equipped with the 5.3L V8 engine […]
A Service Transmission message or a Service Engine Soon message may be displayed on the Driver Information Center of some 2020-2021 Corvettes equipped with the DCT TR9080 transmission (RPO M1L) […]
Install Techline Connect Today Starting July 19th, 2021, a phased retirement of TIS2Web will begin in the U.S. and Canada, and continue in phases until August 20, 2021. Once retired, […]
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Techline Connect Tips March 2023
The EL-52800 Diagnostic Charge Battery Station (DCBS) is the recommended and approved tool for diagnosing battery replacements and submitting battery warranty claims. And effective January 1, 2024, the DCBS (Fig. […]
A new feature will make logging into Techline Connect easier and quicker for users. Previously, Techline Connect had its own unique login, using the Techline Connect desktop icon, and users […]
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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