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 […]
During any service repair on 2024 and earlier GM models that involves cylinder head removal, installation or replacement, it’s critical that all dirt, debris and coolant be cleaned from the […]
Some fleet drivers of BrightDrop EV vans may notice proper seat belt operation is affected by the cleanliness of the belt and retractor guide. Due to the high amount of […]
Software update V19.00 has been released for the CH-47976 Active Fuel Injection Tester (AFIT). It includes testing data for all vehicle programs launching through December 2023. The software should be […]
The Active Fuel Injector Tester (AFIT) Vehicle Application Chart, which can help identify the correct cable adapters for each GM model, has been updated with the latest model year information. […]
The latest diagnostic assistance from the professionals at the GM Technical Assistance Center is now available in the August GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]
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 2023 Corvette with the […]
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, […]
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 […]
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 […]
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 […]
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 […]
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. […]
Transmission Whine Sound
March Service Newsletter from the Experts at GM TAC
Vehicle Alignment and Super Cruise
Rear Axle Differential Lock Control Actuator Condition
Diesel Exhaust Fluid Supply Pipe Contamination
FSE Technician Recognition Awards – 1st Quarter 2024
Crankshaft Bearing Diagnosis
Convertible Top Water Leak
Power Tonneau Cover Tips
GM Service Know-How Emerging Issues
MDI 2 Advanced Setup Technical Tips Update
Fuel Feed Pipe Buzzing Sound
February Service Newsletter from the Experts at GM TAC
Exhaust Resonator Rattle
Heated Steering Wheel Operation During a Remote StartGM Dealer Equipment (GMDE)
TAC Newsletter March 2024
TAC Newsletter February 2024
Techline Connect Tips March 2023
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. […]
A new feature will make logging into Techline Connect easier and quicker for users. Previously, Techline Connect had its own unique login, using the Techline Connect desktop icon, and users […]
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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