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. […]
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 […]
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 […]
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 […]
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 […]
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 […]
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), […]
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. […]
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 […]
The GM Global Electronic Parts Catalog (EPC) was recently updated with a number of enhanced features that add to the search functions of the EPC. Many of the new features […]
When operated in extremely dusty environments, there may be some dust intrusion into the evaporative emission (EVAP) system that can plug the canister and canister vent solenoid on some 2019-2023 […]
The latest diagnostic assistance from the professionals at the GM Technical Assistance Center is now available in the June GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]
When performing the IMMO Immobilizer Learn procedure to program or add key fob transmitters (Fig. 14) on some 2021-2023 Tahoe, Suburban, Yukon, Escalade; 2022-2023 Silverado, Sierra; and 2024 Silverado 2500HD/3500HD […]
Some 2021-2023 Tahoe, Suburban, Yukon and Escalade models may have a pop, clunk, rattle or click sound from under the vehicle while turning. In most cases, the sound can be […]
With a wide range of design and technology choices in five different trim levels: LS, 1RS, LT, 2RS and ACTIV (Fig. 1), the 2024 Chevrolet Trax has gotten bigger and […]
The GM Technical Assistance Center, or TAC, (U.S.) has established an Action Center for the all-new 2024 Chevrolet Trax. (Fig. 10) Fig. 10 TAC Action Centers are designed […]
The GM Field Service Engineer (FSE) Technician Recognition Awards (U.S.) celebrate the skill and dedication of dealership technicians who have recently worked with FSE’s on challenging repairs. Technicians at GM […]
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 a look at the manual park release for […]
One of the most common sources of diesel fuel system contamination is automotive fluids, which often include gasoline and Diesel Exhaust Fluid (DEF) that may have been mistakenly added to […]
While driving in extremely cold weather conditions, poor engine performance may be noticed on some 2013-2021 Encore and Trax models equipped with the 1.4L engine (RPO LUV). (Fig. 10) The […]
Corvette E-Ray Delivers Electrified AWD Performance
Corvette E-Ray 12-Volt Lithium-Ion Battery
Power Liftgate Battery Draw Conditions
April Service Newsletter from the Experts at GM TAC
New Design Intake Manifold Addresses Poor Engine Performance
Free Spinning or Grinding Starter Sounds
May Service Newsletter from the Experts at GM TAC
New Battery Cell Chemistry Identification
GM Service Know-How Emerging Issues
New Trailer Tire Pressure Sensors Offer Increased Capability
Inoperative USB Port Diagnosis
Avoid the TUN# Label When Cleaning Transmission Cases
High-Pitched Whistling Sound at IdleGM Dealer Equipment (GMDE)
TAC Newsletter June 2024
TAC Newsletter May 2024
Techline Connect Tips June 2024
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 […]
With the MDI Manager application software, the MDI 2 can be configured to communicate with a PC using several possible networks, such as a USB cable, ethernet cable, Wireless Local […]
Take a detailed look at a wide range of innovative features and advanced systems found on GM vehicles to gain a better understanding of proper operation. Each short video reviews how a feature works, highlights operating tips and shows ways to customize settings, if applicable.
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