9th-Gear Operation on 9-Speed Transmissions

9th-Gear Operation on 9-Speed Transmissions

Transmission operation on some 2018-2022 Terrain; 2019-2022 XT4; 2020-2022 Encore GX, XT5, XT6, Acadia; and 2021-2022 Envision and Trailblazer models may not be fully understood by owners, especially at highway […]

August 31, 2021
GM Service Know-How Emerging Issues

GM Service Know-How Emerging Issues

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 […]

August 31, 2021
Trailering App Functionality and Diagnostic Tips

Trailering App Functionality and Diagnostic Tips

The in-vehicle trailering app (RPO U1D) included with the Advanced Trailering System available on the 2019-2021 Silverado 1500 and 2020-2021 Silverado 2500HD/3500HD and the ProGrade Trailering System available on the […]

August 18, 2021
Techline Connect Tips from the TCSC

Techline Connect Tips from the TCSC

Techline Connect brings together all the common resources technicians use every day for diagnosis and repairs in an all-in-one application, integrating Service Information, programming, diagnostics, vehicle information and other features. […]

August 18, 2021
New 2021 Engine Oil Capacities Chart

New 2021 Engine Oil Capacities Chart

A new Engine Oil Capacities chart (Fig. 10) for the 2021 model year is now available under the Reference Chart menu. The chart includes engine, RPO, specifications (liters and quarts) […]

August 18, 2021
Original Engine Oil Filter Leak

Original Engine Oil Filter Leak

Some new 2020-2021 XT5, XT6, Blazer, Camaro and Acadia models equipped with the 3.6L V6 engine (RPO LGX) may have an oil leak at the engine oil filter. (Fig. 12) […]

August 18, 2021
Low-Mileage 9T45/50/60 Transmission Diagnostic Tips

Low-Mileage 9T45/50/60 Transmission Diagnostic Tips

When diagnosing low-mileage 2020 Regal, Equinox; 2020-2022 Encore GX, Envision, XT4, XT5, XT6, Blazer, Malibu, Acadia, Terrain; and 2021-2022 Trailblazer models equipped with the 9T45 (RPO M3F, M3U), 9T50 (RPO […]

August 18, 2021
Bring Us Your Talent Campaign Aims to Build Technician Recruiting Efforts

Bring Us Your Talent Campaign Aims to Build Technician Recruiting Efforts

GM recognizes the value and skill that certified technicians bring to the service department and the impact the nationwide shortage of technicians is having on the industry. Retaining and recruiting […]

August 18, 2021
Incorrect Fuses may Lead to Inoperative Auto Stop/Start

Incorrect Fuses may Lead to Inoperative Auto Stop/Start

The Auto Stop/Start function (RPO KL9) may be inoperative on some 2019-2021 Silverado 1500 and Sierra 1500 models. In addition, the Check Engine MIL may be illuminated and DTCs P3055 […]

August 18, 2021
Inoperative Adaptive Cruise Control with DTC U0422

Inoperative Adaptive Cruise Control with DTC U0422

The Adaptive Cruise Control (RPO KSG) may be inoperative on some 2019-2021 XT5, XT6, Blazer and Acadia models along with an Adaptive Cruise Control Temporarily Unavailable message on the Driver […]

August 18, 2021
Digital Climate Controls Limited on Some 2021-2022 Models

Digital Climate Controls Limited on Some 2021-2022 Models

Feature content on 2021-2022 GM models is continuing to be affected by the industry-wide shortage of semiconductors. Beginning on August 23, 2021, some 2021 Silverado 1500 and Sierra 1500 models […]

August 18, 2021
New and Improved: The 2022 Bolt EUV and Bolt EV

New and Improved: The 2022 Bolt EUV and Bolt EV

The 2022 Chevrolet Bolt EUV is an all-new electric vehicle that builds on the success of the Chevrolet Bolt EV, with a 6-inch (15.2 cm) longer overall length and a […]

July 29, 2021
2022 Bolt EUV and Bolt EV High-Voltage Battery Assembly

2022 Bolt EUV and Bolt EV High-Voltage Battery Assembly

The 2022 Bolt EV and 2022 Bolt EUV are powered by a 65-kWh nickel lithium-ion high-voltage battery. The battery pack will be serviceable and some of the battery pack’s accessory […]

July 29, 2021
Report Concerns to the 2022 Bolt EUV and Bolt EV TAC Action Center

Report Concerns to the 2022 Bolt EUV and Bolt EV TAC Action Center

The GM Technical Assistance Center, or TAC, (U.S.) has established an Action Center for the all-new 2022 Chevrolet Bolt EUV and 2022 Bolt EV. (Fig. 14)   Fig. 14   […]

July 29, 2021