Archive for May, 2024

Ceramic Glow Plug Replacement

Ceramic Glow Plug Replacement

Successfully replacing ceramic glow plugs (Fig. 1) in diesel engines requires carefully handling of the plugs and following the proper service procedures in order to prevent potential performance issues.   […]

May 31, 2024
Techline Update Manager

Techline Update Manager

The Techline Update Manager application is currently part of a staggered update to Techline Connect, with additional dealerships receiving the update weekly. The new Techline Update Manager (TUM), which is […]

May 31, 2024
Front Stabilizer Bar Links Installation Update

Front Stabilizer Bar Links Installation Update

The stabilizer bar connects between the left and right shock assemblies through the stabilizer link and stabilizer shaft insulators on 2023-2024 LYRIQ; and 2024 Blazer EV and Equinox EV models. […]

May 31, 2024
May Service Newsletter from the Experts at GM TAC

May Service Newsletter from the Experts at GM TAC

The latest diagnostic assistance from the professionals at the GM Technical Assistance Center is now available in the May GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]

May 31, 2024
Inoperative Components After Front View Camera Replacement

Inoperative Components After Front View Camera Replacement

Several features, including Forward Collision Alert and Lane Keep Assist, may not operate properly on 2018-2024 Equinox and Terrain models (equipped with RPOs UHX, UHY, UEU, UE4, UKC, UKJ) after […]

May 31, 2024
Green Means Power Flow: Identifying EV Charging Status Indicators

Green Means Power Flow: Identifying EV Charging Status Indicators

The green, blue and red charging status indicators (Fig. 2) on new GM electric vehicles (EVs), including the 2023-2024 LYRIQ; 2024 Blazer EV, Equinox EV and Silverado EV, can quickly […]

May 24, 2024
Misrouted Oxygen Sensor Wiring Harness

Misrouted Oxygen Sensor Wiring Harness

An engine misfire condition and an illuminated Check Engine MIL may be found on some 2024 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD models equipped with the 6.6L V8 engine (RPO L8T). […]

May 24, 2024
Google Maps Application Update

Google Maps Application Update

Due to a recent update of the Google Maps application, an issue may arise in which the infotainment system (RPO IOK, IVD, IVE) has a persistent “Offline” icon in maps […]

May 24, 2024
Resetting the Infotainment System

Resetting the Infotainment System

The infotainment system (RPO IOK, IOR, IOS, IOT, IOU, IOV, IVA, IVD, IVE) on some 2023-2024 models (Fig. 16) may need to be reset if a black screen appears or […]

May 24, 2024
GM Service Know-How Emerging Issues

GM Service Know-How Emerging Issues

The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM-certified repairs. This month the seminar reviews the preparation guidelines for Hybrid/EV battery shipping. (Fig. […]

May 24, 2024
Take the TAC Action Center Survey Today — Survey Closes Friday

Take the TAC Action Center Survey Today — Survey Closes Friday

The GM Technical Assistance Center (TAC) is inviting all technicians who have recently contacted a TAC Action Center to take a brief satisfaction survey. The results of the survey will […]

May 6, 2024