Updated Essential Tool GE-52200-A Powertrain Lift Table Now Shipping

Updated Essential Tool GE-52200-A Powertrain Lift Table Now Shipping

The updated GE-52200-A Powertrain Lift Table (Fig. 1) allows for easy removal and installation of powertrain and chassis components as well as fuel tanks, suspension components, and EV/PHEV high voltage […]

May 17, 2019
What to Do Next  —  Q&A on the End of Windows 7

What to Do Next — Q&A on the End of Windows 7

The end of Windows 7 is rapidly approaching. Microsoft has announced that it will end support of Windows 7 Professional on January 14, 2020. In addition, the most recent GM […]

May 17, 2019
Dealer Case Management Enhancements Increase Communication, Speed Up Response Times

Dealer Case Management Enhancements Increase Communication, Speed Up Response Times

The Dealer Case Management (DCM) system enables dealership technicians to create, view and update GM Technical Assistance Center (TAC) cases in real time, reducing the time spent waiting on a […]

May 17, 2019
Camshaft Position System Performance DTCs Set in History

Camshaft Position System Performance DTCs Set in History

The Check Engine MIL may be illuminated on some 2016-2018 ATS, CT6, CTS; 2017-2018 LaCrosse, XT5; and 2018 Enclave, Regal, and Traverse models equipped with the 3.0L V6 engine (RPO […]

May 17, 2019
Click Sound from the Torque Tube

Click Sound from the Torque Tube

Some 2018-2019 Equinox and Terrain models equipped with All-Wheel Drive (AWD) or driver-selectable Four-Wheel Drive (4WD) may have a click sound originating from the rear of the vehicle when traveling […]

May 17, 2019
Coolant Entering Engine Cylinders

Coolant Entering Engine Cylinders

Some 2014-2018 Silverado 1500, Sierra 1500; 2015-2019 Escalade, Tahoe, Suburban, Yukon; 2016-2019 CTS-V, Camaro, Corvette; and 2019 Silverado and Sierra models equipped with the 4.3L engine (RPO LV1, LV3), 5.3L […]

May 17, 2019
Intake Manifold Vacuum Leak

Intake Manifold Vacuum Leak

The Check Engine MIL may be illuminated along with DTCs P0171 (Fuel Trim System Lean Bank 1) and/or P0174 (Fuel Trim System Lean Bank 2) set in the Engine Control Module (ECM) […]

May 17, 2019
Infotainment Screen Flicker

Infotainment Screen Flicker

The infotainment screen may flicker occasionally on some 2019 Volt models. The screen flickering (Fig. 18) may be due to the component packaging inside the instrument panel, which may not […]

May 17, 2019
GM Service Know-How

GM Service Know-How

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 […]

May 17, 2019
Bolt EV Front Seatback Cover Replacement

Bolt EV Front Seatback Cover Replacement

The front seatback cover on some 2017-2019 Bolt EV models may become detached between the upper seatback cover and the side air bag. An updated seatback cover design has been […]

April 30, 2019
Tech2Win and GDS 2 Updates Released

Tech2Win and GDS 2 Updates Released

An update to the Tech2win software (Version 2.336) was released on April 22 in TIS2Web. The software includes a fix for the MDI/MDI 2 Device Explorer not coming up for […]

April 30, 2019
Guidelines for Returning Parts to the Warranty Parts Center

Guidelines for Returning Parts to the Warranty Parts Center

The GM Warranty Parts Center (WPC) requests the return of parts replaced at dealerships in order to better understand and help resolve product concerns. Returned parts are analyzed by Brand […]

April 30, 2019
Remote Link App No Longer Available

Remote Link App No Longer Available

The OnStar Remote Link mobile app was removed from the Google Play Store and the Apple App Store in late March 2019. It was previously announced that updates for the […]

April 30, 2019
Inoperative Active Safety System with DTCs Set

Inoperative Active Safety System with DTCs Set

The Forward Collision/Active Safety System may be inoperative on some 2018-2019 Tahoe, Suburban, Yukon, and Escalade models. DTCs B390A 45 (Short Range Object Sensor – Variant Not Programmed), B390A 58 (Short Range […]

April 30, 2019
Vehicle Pulls During Regenerative Braking

Vehicle Pulls During Regenerative Braking

Some 2011-2019 Volt, 2014-2016 ELR, 2017-2019 CT6, and 2017-2019 Bolt EV models may pull to the left or right when the regenerative braking paddle on the back-left side of the […]

April 30, 2019
PCV Drain Tube Deletion

PCV Drain Tube Deletion

The 1.4L 4-cylinder engine (RPO LE2, LV7) and 1.5L 4-cylinder engine (RPO LYX, LFV, L3A) on 2016-2019 Encore, Cruze, Equinox, Malibu, Spark, Trax, Volt, and Terrain models features a Positive […]

April 30, 2019
Use Replacement Fasteners with Conductive Finish for Electrical Ground Repairs

Use Replacement Fasteners with Conductive Finish for Electrical Ground Repairs

Corroded or stripped electrical ground connections can cause a loss of module communication and other electrical system malfunctions, leading to unnecessary repairs and parts replacement. The electrical system relies on […]

April 30, 2019