July 2024 – TechLink

Archive for July, 2024

Unwanted Reverse Automatic Braking

Backing out of the garage may bring some vehicles equipped with Reverse Automatic Braking to a quick stop. The design sensitivity of the rear virtual bumper on 2023-2024 LYRIQ; 2024 […]

July 31, 2024 —

Adjusting the Hood Bumpers and Latch to Remove Low Spots on Hood

Some 2024 Traverse models may show low spots or dimples on the front and center portions of the hood. The low spots will only be noticeable when the hood is […]

July 31, 2024 —

Low-Beam Headlamp Diagnosis

The low-beam headlamp may be inoperative on some 2019-2024 Silverado 4500HD/5500HD/6500HD models. (Fig. 6) Fig. 6 If the low-beam headlamp is not working properly, check the electrical connector […]

July 31, 2024 —

Correct Tire Size Affects Driver Assistance Systems

The Adaptive Cruise Control or regular Cruise Control as well as the Lane Keep Assist system may turn on/off while driving or may be inoperative on some 2019-2023 Encore GX […]

July 31, 2024 —

Loss of Communication with ECM

Some 2019-2022 Silverado 1500, Sierra 1500; and 2020-2022 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD models may have an illuminated Check Engine MIL at startup along with DTC U0100 (Lost Communication with […]

July 31, 2024 —

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

July 31, 2024 —

Resolving Service Programming System Errors

There are several Service Programming System (SPS) errors that can be resolved by following some basic steps, and do not require replacing the control module, on 2000-2025 GM models. No […]

July 23, 2024 —

Corvette Transmission External Canister Filter and Maintenance Update, Labor Code Added

The Tremec DCT TR9080 dual clutch transmission (RPO M1L, M1M) on 2020-2024 Corvettes features an external canister filter that should be replaced at the initial 7,500-mile (12,000-km) maintenance service. After […]

July 23, 2024 —

FSE Technician Recognition Awards – 2nd Quarter 2024

The GM Field Service Engineer (FSE) Technician Recognition Awards (U.S.) celebrate the skill and dedication of dealership technicians who have recently worked with FSEs on challenging repairs. Technicians at GM […]

July 23, 2024 —

Noise from the Transmission Area

There may be a noise from the bell housing area of the DCT TR9080 transmission (RPO M1L, M1M) on some 2020-2024 Corvettes along with a number of DTCs set in […]

July 23, 2024 —

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 covers a tear down and inspection of the VT40 […]

July 23, 2024 —