The all-new 2019 Silverado 1500 and Sierra 1500 (Fig. 1) offer available trailering systems that feature a trailering app, trailer tire pressure monitors, and HD cameras. Fig. 1 The trailering […]

The recently released EL-52641 Trailer Presence Simulator Tester is a trailer module tester and trailer simulator that can be used to simulate a trailer connected to the vehicle when performing […]

GM has recently released revised Dealer Infrastructure Guidelines (DIG) for 2019. The guidelines outline the dealership technology needed to ensure reliable data communications for all dealers.   Win 7 Support […]

The Infotainment 3 systems (RPOs IOS, IOT, IOU), available on a number of 2017-2019 GM models has a voice recognition feature that offers varying responses as the system is used […]

The new 2019 Silverado and Sierra use wheels studs that have a yellow coating on the lower portion of the stud threads to prevent corrosion of the threads. (Fig. 14) […]

An engine oil leak may be noticed after an oil and filter change on some 2017-2019 Cruze and 2018-2019 Equinox and Terrain models equipped with the 1.6L 4-cylinder diesel engine […]

Turbocharged gasoline engines on some 2000-2019 GM models may experience poor performance in very cold ambient temperatures (32 °F, 0 °C or lower). (Fig. 19) DTCs P0299 (Engine Underboost) or […]

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 […]

GM is involved in a number of technical apprenticeship and education programs that help in training new technicians for dealerships. Developing a technician takes an investment in time by both […]

Some 2014-2016 Malibu models equipped with the 2.5L 4-cylinder engine (RPOs LKW, LCV) may have an illuminated Check Engine MIL and the following DTCs set in the Engine Control Module […]

The Low Oil Light may be illuminated on some 2014-2019 CTS models equipped with the 2.0L 4-cylinder engine (RPO LTG). If the Low Oil Light is on, it may be […]

A wind noise condition or a water leak at the front of the roof or top of the windshield may be found on some 2014-2019 ATS and CTS models. If […]

A vibration may be felt or a noise heard during hard acceleration on some 2015-2018 Colorado and Canyon models equipped with the 3.6L V6 engine (RPO LGZ) and 8L45 automatic […]

Some 2017-2018 Escalade, Tahoe, Suburban, and Yukon models may require replacement of the power liftgate assist actuator. Prior to replacing the power liftgate assist actuator, verify the liftgate actuator grommet […]