Some 2019 Malibu models equipped with the VT40 CVT automatic transmission (RPO MRG) may have an illuminated Check Engine lamp and the Automatic Engine Stop/Start system is not working. DTC […]

An updated Engine Oil Capacities chart for the 2019-2020 model years is now available under the Reference Chart menu. The chart includes engine, RPO, specifications (liters and quarts) and oil […]

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 […]

A new performance calibration is available from Chevrolet Performance for 2017-2019 Camaro ZL1 models (in Canada, 2019 Camaro ZL1 models only) that enhance launch capabilities on the drag strip. (Fig. […]

The Certified Service Mobile Toolbox (CSMT) offers easy, convenient access to the Field Product Reporter app, Pre-Repair Authorization app and other service applications for GM dealerships (U.S.). But did you […]

The Global In-Vehicle Technology Library offers a variety of information covering GM’s infotainment systems, from capabilities by vehicle to operating features of specific systems. The materials and videos available in […]

The 2nd-row seat mounting bolt tightening sequence on 2017-2020 Acadia, XT5; 2018-2020 Enclave, Traverse; 2019 Blazer; and 2020 XT6 models may not be clear to all technicians in the Service […]

The air conditioning system may be blowing warm air on some 2017-2019 Colorado and Canyon models. In some cases, the A/C evaporator may be freezing up. There also may be […]

There may be a number of electrical conditions present on some 2018-2020 Equinox and Terrain models. The conditions may include illuminated warning lamps on the instrument cluster, a Service Transmission […]

A rear brake squeal sound may be heard on some 2017-2019 XT5, Acadia (VIN N); 2018 Enclave, Traverse, Acadia; and 2019 Blazer models. The sound may be caused by the […]

Some 2019 Silverado 1500, Sierra 1500; and 2020 Silverado 2500/3500 HD and Sierra 2500/3500 HD models may have a poor or degraded Bluetooth call performance heard by the person on […]

GM is expanding the mileage of Super Cruise-enabled roads to include over 70,000 additional miles (112,000 additional km) by the end of 2019, bringing the total number of Super Cruise-enabled […]