Displaying the Odometer and Engine Hour Values
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 […]
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 […]
In extremely cold weather conditions (0°F / –18°C or less), the charge air cooler (CAC) on some turbocharged engines may experience icing due to moisture build-up, restricting air flow and […]
Some 2017-2021 Acadia, XT5; 2018-2021 Enclave, Traverse; 2019-2021 Blazer; and 2020-2021 XT6 models equipped with the 2.0L engine (RPO LSY, LTG), 2.5L engine (RPO LCV) or 3.6L engine (RPO LFY, […]
For the 2022 model year, several changes have been made to the features of the Rear Seat Infotainment (RSI) system on Tahoe, Suburban, Yukon and Escalade models. (Fig. 17) These […]
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 […]
Looking for diagnostic advice or more insight about a tough repair from the professionals at the GM Technical Assistance Center? Beginning this month, we’re bringing their expertise to you with […]