TechLink – Page 26

Get ‘Em While They Last: 2024 Camaro Collector’s Edition

As production of the sixth generation Camaro comes to an end, the legacy of the muscle car is being celebrated with a special Collector’s Edition (RPO Z4B) on the LT/RS, […]

August 18, 2023 —

Turning Off Transport Mode on EV Models

Transport Mode, or Logistics Mode, is used to increase 12V battery stand time during transit as well as long periods of stand time in dealership inventory for traditional internal combustion […]

August 18, 2023 —

Upfitter Auxiliary Switch LED Indicators

The LED “on” indicators on the upfitter auxiliary switches (RPO 9L7), located on the instrument panel, may not illuminate properly on some 2023 Silverado 1500, Sierra 1500; 2024 Silverado 2500/3500 […]

August 18, 2023 —

Service Headlamp System Message

A Service Headlamp System message may be displayed on the Driver Information Center (DIC) on some 2020-2023 Corvette models equipped with the Front Lift System (RPO E60). (Fig. 8) The […]

August 18, 2023 —

2024 Envista TAC Action Center

An Action Center for U.S. dealerships to provide feedback on the all-new 2024 Buick Envista (Fig. 10) has been established by the GM Technical Assistance Center (TAC). Fig. 10 […]

August 18, 2023 —

Testing, Software and More — All the Answers to Your DCBS Questions

The EL-52800 Diagnostic Charge Battery Station (DCBS) is the recommended and approved tool for diagnosing battery replacements and submitting battery warranty claims. And effective January 1, 2024, the DCBS (Fig. […]

July 31, 2023 —

Diagnosing Over-the-Air Update Concerns

When an Over-the-Air (OTA) update has been downloaded to a 2021-2024 Chevrolet, Buick, GMC or Cadillac vehicle and is available to be installed, a message is displayed on the infotainment […]

July 31, 2023 —

Meet the New Buick Envista

The 2024 Envista is an all-new model in the Buick lineup. (Fig. 11) With a long wheelbase, low roof and the sleek profile of Buick’s new design language, it offers […]

July 31, 2023 —

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, 2023 —

Diagnosing History DTCs

During vehicle diagnosis, a key part of Strategy Based Diagnosis is to check for current and history DTCs. It’s important to understand DTC status, its relationship to diagnosing a vehicle […]

July 21, 2023 —

Oil Pump and Engine Wiring Harness Conditions

Several DTCs may be set on some 2024 Trax models equipped with the 1.2L engine (RPO LIH) that may be caused by debris in the oil pump or an engine […]

July 21, 2023 —

Charge Air Inlet Pipe Air Leak

Some 2023 Equinox and Terrain models equipped with the 1.5L 4-cylinder engine (RPO LSD) may have a reduced power condition along with DTCs P0237 (Turbocharger Boost Sensor Circuit Low Voltage), […]

July 21, 2023 —

Engine Vibration After Engine Mount Replacement

An engine vibration may be felt after the engine mounts (Fig. 8) were replaced on some 2019-2021 Silverado 1500, Sierra 1500; 2022 Silverado 1500 LTD and Sierra 1500 Limited models. […]

July 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 reviews air conditioning system line repair using the J-41425 […]

July 21, 2023 —