Possible Engine Overheating Condition
The turbocharged 2.0L 4-cylinder engine (RPO LSY) on some 2019 CT6; 2020-2022 CT4, CT5, XT5, XT6, Blazer, Acadia and 2021-2022 Envision models may experience an engine overheating or running hot […]
The turbocharged 2.0L 4-cylinder engine (RPO LSY) on some 2019 CT6; 2020-2022 CT4, CT5, XT5, XT6, Blazer, Acadia and 2021-2022 Envision models may experience an engine overheating or running hot […]
GM now offers remanufactured 10L80 and 10L90 10-speed automatic transmissions for some 2017-2020 rear-wheel-drive applications. The remanufactured transmissions do not include the transmission housing acoustic sound insulator cover as part […]
The aero shutters on some 2019-2021 Silverado 1500, Tahoe, Suburban, Sierra 1500, Yukon, Escalade; 2020-2021 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD models may have several conditions that could potentially cause improper […]
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 […]
There may be possible moisture or condensation freezing in the crankcase pressure sensor assembly on some 2019 CT6; 2019-2022 XT4; 2020-2022 CT4, CT5, XT5, XT6, Blazer, Acadia; and 2021-2022 Envision […]
Service department personnel and fleet managers looking to record odometer and engine hour values from new 2022 Silverado 1500 and Sierra 1500 models equipped with the base instrument cluster (RPO […]
Some four-wheel drive 2020-2022 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD trucks equipped with the 10-speed automatic transmission (MGM, MGU) and transfer case MP 3023/2024 (RPO NQH) may have a Service 4WD […]
The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM certified repairs. The latest service topics from GM Brand Quality and Engineering covered in […]
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 […]
The GM Warranty Parts Center (WPC) has introduced a new part photo return process for parts replaced under warranty (U.S. only). The new process can help reduce the cost and […]
In the new Technician Excellence Program (U.S.), enrolled GM dealership service technicians can earn quarterly earnPOWER points based on their certifications across 11 service categories. (Fig. 6) Technicians are recognized […]
The GM Technical Assistance Center, or TAC, (U.S.) has established an Action Center for the all-new 2022 HUMMER EV. (Fig. 8) Fig. 8 TAC Action Centers are designed […]
The Super Cruise hands-free driver-assistance technology (RPO UKL) is now available on 2021-2022 Escalade, CT4, CT5; 2022 XT6, Bolt EUV, Silverado 1500, Sierra 1500 and HUMMER EV Pickup. The advanced […]
Some 2021-2022 Corvettes equipped with the Z51 Performance Package (Fig. 1) may have a brake pulsation or grinding sound when applying the brakes. There also may be a pitting condition […]
After replacing the wiring harness on the Diesel Exhaust Fluid (DEF) tank on some 2020-2022 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD trucks equipped with the 6.6L Duramax diesel engine (RPO L5P), […]
The power liftgate actuators (Fig. 7) from some 2018-2022 Acadia, XT5 and 2020-2022 XT6 models that have been returned to the Warranty Parts Center show damage due to improper removal. […]
Some 2021-2022 Equinox and Terrain models equipped with the 1.5L engine (RPO LYX) may have an intermittent no crank condition, but the vehicle powers up normally. If the intermittent power […]
The instrument panel on 2021-2022 Envision models features ambient LED lighting. The chrome edge of the instrument panel surrounding the left and center sections illuminate with a thin light strip. […]
The latest software update (CH-47976-SWV16) for the CH-47976 Active Fuel Injection Tester (AFIT) has recently been released. The software update includes: 2023 model year database V19.00 updates for all vehicle […]
As a rule of thumb, tire pressure will change about 7 kPa (1 psi) for every 6°C (10°F) change in temperature – dropping when it gets colder outside and rising when it […]