Service Know-How
10218.12V – Emerging Issues (U.S.) December 13, 2018 The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM certified repairs. The latest service topics […]
10218.12V – Emerging Issues (U.S.) December 13, 2018 The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM certified repairs. The latest service topics […]
Recent GM studies have shown that automatic transmission oil cooler flush requirements have limited benefit on many current transmission repairs. Based on the studies, GM will no longer require a […]
The Active Noise Cancelation (ANC) module filtering function may not be operating properly or the ANC microphone may not be seated correctly in the headliner on some 2016-2018 Malibu models. […]
Some 2018 Equinox and Terrain models equipped with the 1.5L 4-cylinder engine (RPO LYX) or 2.0L 4-cylinder engine (RPO LTG) may have an illuminated Check Engine lamp and DTCs P0299 […]
Some 2017-2019 Bolt EV models may not have charged to a full charge level, as shown on the power indicator gauge on the instrument cluster, after a complete vehicle charge […]
The Restorator from Vaportek is a new odor eliminator system now available through GM Dealer Equipment. Based on GM testing, the easy-to-use, portable system effectively eliminates odor contamination quickly and […]
The CH-51450 PicoScope is a GM-specific 4-channel, PC-based automotive oscilloscope that can be used in the service bay or on the road to diagnose electrical circuits as well as signals […]
After replacing a hybrid/EV battery section on the 2011-2019 Volt; 2014-2016 ELR, Spark EV; 2017-2018 CT6 PLUG-IN; and 2017-2019 Bolt EV models, the new battery section has to be balanced […]
In the simplest terms, electricity consists of the movement of electrons, which flow through batteries, wires, switches, and other conductors. A common comparison is that electrons in a wire flow […]
While programming an Engine Control Module (ECM) on some 4-cylinder engines, the Service Programming System (SPS) may prompt for an engine identification number. (Fig. 15) The engine ID number is […]
When performing diagnosis on a vehicle for several Engine Control Module (ECM)-related DTCs, it’s critical to check for conditions that may cause low battery voltage or a momentary loss of […]
Some 2016-2019 Malibu models equipped with the 1.5L 4-cylinder engine (RPO LFV) may have severe low power under acceleration. The low power condition may be due to the ignition timing […]
The Rear Vision Camera display on the infotainment screen may show an image of a video camera icon with a slash through it when some 2018-2019 Silverado 2500/3500 and Sierra […]
10218.11V – Emerging Issues (U.S.) November 8, 2018 The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM certified repairs. The latest service topics […]
The Camaro features a number of refinements for 2019, including a new front and rear fascia and a variety of technology enhancements, while still offering outstanding performance. The 2019 Camaro […]
Some 2019 Silverado 1500 and Sierra 1500 trucks may have an Engine Control Module (ECM) condition that requires reprogramming with the latest software calibrations now available. These conditions are covered […]
The Check Engine lamp may be illuminated and DTCs P0282 (Cylinder 8 Injector Control Circuit Low Voltage) and P0300 (Engine Misfire Detected) may be set on some 2015-2019 Escalade models equipped […]
GM has recently updated the diagnostic procedures for suspension systems in the Service Information on some 2019 models. The new information provides guidelines on strut and shock absorber replacement for […]
Some 2016-2019 Encore and Cruze models equipped with the 1.4L 4-cylinder engine (RPO LE2), 2016-2019 Malibu models equipped with the 1.5L 4-cylinder engine (RPO LFV), and 2018-2019 Equinox and Terrain […]
After the cylinder head has been replaced on some 2014-2015 Impala and Malibu models equipped with the 2.5L 4-cylinder engine (RPO LKW), an external oil leak may be found, random […]