When to Operate Four-Wheel Drive
Driving through mud, snow or rain on dirt, sand or dry pavement? Depending on the particular road conditions, what’s the best drivetrain choice – two-wheel drive, four-wheel drive, all-wheel drive? […]
Driving through mud, snow or rain on dirt, sand or dry pavement? Depending on the particular road conditions, what’s the best drivetrain choice – two-wheel drive, four-wheel drive, all-wheel drive? […]
When replacing ceramic glow plugs 2017-2019 Cruze; 2018-2019 Equinox, Terrain; 2020-2023 Silverado 1500, Silverado 2500HD/3500HD, Silverado 4500HD/5500HD/6500HD, Tahoe, Suburban, Sierra 1500, Sierra 2500HD/3500HD and Yukon models equipped with the 1.6L […]
Many 2022-2023 HUMMER EVs offer the GM Accessory Outside Rearview Mirror Projection Lights, which is an accessory illumination package that features an outside mirror with a HUMMER EV projection logo […]
The Check Engine MIL and several glow plug-related DTCs may be set on some 2024 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD models equipped with the 6.6L Duramax diesel engine (RPO L5P). […]
The latest diagnostic assistance from the professionals at the GM Technical Assistance Center is now available in the March GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]
GM dealership service technicians enrolled in the 2023 Technician Excellence Program (U.S.) are recognized and rewarded quarterly for achieving Gold Certification, Master Technician Certification (MTC), or World Class Technician (WCT) […]
A new software update for the MDI 2 Manager is continuing to roll out to GM dealerships (U.S.) The staggered rollout of the new MDI 2 Manager software (version 9.1.1766.85) […]
A no crank condition may be found on some 2019-2023 Silverado, Sierra; 2021-2023 Tahoe, Suburban, Yukon and Escalade models equipped with the 6.2L V8 engine (RPO L87). The no crank […]
Reduced engine power and an illuminated Check Engine MIL may be found on some 2019-2023 Silverado and Sierra models equipped with the 2.7L 4-cylinder turbo engine (RPO L3B). DTCs P0299 […]
The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM-certified repairs. This month the seminar previews the 2024 HUMMER EV SUV. (Fig. 12) […]
Some 2021-2023 Escalade, Silverado, Tahoe, Suburban, Sierra and Yukon models may be producing a thump, clunk, pop or click noise at the front end of the vehicle. (Fig 1) The […]
The latest software update (V18.00) for the CH-47976 Active Fuel Injection Tester (AFIT) has recently been released. The software should be downloaded to ensure proper functionality of the AFIT. It […]
Some 2021-2023 Escalade, Silverado 1500, Tahoe, Suburban, Sierra 1500 and Yukon models equipped with the 5.3L V8 engine (RPO L82, L84) or 6.2L V8 engine (RPO L87) may have Reduced […]
After an Over-the-Air (OTA) software update on some 2021-2022 Corvette and 2022 Envision models, the radio may not turn off after the vehicle’s ignition has been turned off and the […]
The Settings menu on the infotainment screen may not be accessible on some 2021-2023 LCF 3500HD, 4500/4500HD, 5500/5500XD, 6500XD and 7500XD models equipped with the optional Alpine radio (RPO UIZ). […]