TechLink – Page 23

M1L Dual Clutch Transmission Case Design Update

The case design of the DCT 8-speed transmission (RPO M1L) (Fig. 7) in 2020-2023 Corvettes is being updated toward the end of the 2023 model year. Fig. 7 […]

October 4, 2023 —

Starter or Flywheel Noise and Fuse Block Matching

Some 2012-2014 Cruze models equipped with the 1.8L engine (RPO LUW, LWE) and a manual transmission may have a knock sound at the front of the vehicle when starting the […]

October 4, 2023 —

Trailer Brake Control Module Update

The trailer brakes may become disabled while pulling a trailer on some 2023 Colorado, Tahoe, Suburban, Silverado 4500/5500, Canyon, Yukon, Escalade; 2024 Silverado 2500HD/3500HD, Silverado EV, Sierra 2500HD/3500HD and HUMMER […]

October 4, 2023 —

Diagnosing Road Force

The design of today’s modern vehicles — and the proper operation of many new components and systems — has led to the critical importance of properly balanced and low Road […]

October 4, 2023 —

2024 Battery Ratings Chart and Battery Maintenance Update

The latest Original Equipment (OE) Battery Ratings chart for the 2024 model year is now available under the Reference Charts menu for use when testing OE batteries. (Fig. 1) […]

September 27, 2023 —

Battery Testing in EVs

Absorbent Glass Mat (AGM) 12V batteries are used in GM Electric Vehicles (EVs), including the 2017-2023 Bolt EV; 2022-2023 Bolt EUV; 2023-2024 LYRIQ (Fig. 4) and HUMMER EV, due to […]

September 27, 2023 —

Multifunction Inner Tailgate Disabling Procedure

The Chevrolet Multi-Flex Tailgate and GMC MultiPro Tailgate (RPO QK2) available on the 2022-2024 Silverado 1500, Silverado 2500/3500, Sierra 1500 and Sierra 2500/3500 offers enhanced access to the cargo box […]

September 27, 2023 —

Front-view Grille Camera Washer Nozzle

The front-view camera washer nozzle may be leaking washer fluid on some 2022-2023 Silverado 1500 and Sierra 1500 models. (Fig. 7) Fig. 7 Service Information or the Electronic […]

September 27, 2023 —

September 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 September GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]

September 27, 2023 —

9-Speed Transmission Oil Level Control System Changes

Several changes have been made to the 9-speed transmission (RPO M3W, M3F, M3H, M3G, M3T, M3V, M3U) automatic transmission fluid Oil Level Control system (OLC) for 2023-2024 Enclave, Encore GX, […]

September 21, 2023 —

Front Short Range Radar Module Bypass Jumper Connector

The Super Cruise driver assistance feature (RPO UKL) on 2022 Tahoe, Suburban, Yukon; and 2022-2023 Escalade models uses front short-range radar to allow Super Cruise to perform lane-change maneuvers. When […]

September 21, 2023 —

Battery State of Charge Prevents Radio Programming

When USB programming the radio (RPO IVD) on some 2023 Colorado, Canyon; 2023-2024 LYRIQ; and 2024 XT4, Blazer EV and Silverado EV models (Fig. 8), a message may display that […]

September 21, 2023 —

New Techline Connect Software Update Released

The September Techline Connect (TLC) software release includes several updates to enhance the performance of the application. The update should be downloaded automatically when logging in to Techline Connect. (Fig. […]

September 21, 2023 —

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 takes an up-close look at the all-new 2024 Blazer […]

September 21, 2023 —