Low Oil Pressure Conditions
There may be no or low oil pressure along with DTC P06DD (Engine Oil Pressure Control Solenoid Valve Performance) set on some 2014-2019 Silverado LD, Sierra LD; 2015-2019 Escalade, Tahoe, […]
There may be no or low oil pressure along with DTC P06DD (Engine Oil Pressure Control Solenoid Valve Performance) set on some 2014-2019 Silverado LD, Sierra LD; 2015-2019 Escalade, Tahoe, […]
Some 2016-2019 Volt models may experience a no start condition, multiple Driver Information Center (DIC) messages, and/or a loss of low speed Local Area Network (LAN) communication. If any of […]
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 […]
GM has recently updated the Service Programming System (SPS) with a new method of selecting a J2534 tool in TIS2Web. A J2534 tool (MDI, MDI 2, or other J2534 device) […]
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 […]
The Active Fuel Injector Tester (AFIT) Spark Ignited Direct Injection (SIDI) Diagnostic Kit, essential tool CH-47976, was released several years ago for port and direct injected engine applications (Fig. 7) […]
The latest software update (CH-47976-SWV11) for the CH-47976 Active Fuel Injector Tester (AFIT) has recently been released. The new update adds 2020 model year applications (as of July 24, 2019). […]
The recently released GM Dealer Infrastructure Guidelines (DIG) have been updated with several changes for recommended dealership infrastructure equipment. The DIG includes guidelines that are organized in Good, Better, and […]
Active Fuel Management (AFM) or Dynamic Fuel Management (DFM) is available on a number of recent GM models to help improve fuel economy, including 2014-2019 Corvette, Silverado LD, Sierra Limited; […]
Several brake system conditions that may be found on some 2016-2019 Volt and Malibu Hybrid (RPO HP4) models could be related to the hydraulic components. Be sure to not overlook […]