TechLink – Page 33

Park Brake Will Not Learn After Rear Brake Service

Some 2018-2023 Equinox and Terrain models may have DTC C0561 43 (System Disabled Information Stored – EEPROM Incorrect Programming) set and the park brake will not learn after rear brake […]

November 18, 2022 —

Fuel in Vapor Lines After Refueling

Overfilling the fuel tank during refueling can lead to several engine performance issues and possible damage to the fuel system. If the fuel station fill nozzle automatically shuts off (clicks […]

November 18, 2022 —

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. This month the seminar features an update on the HUMMER EV. (Fig. 18) […]

November 18, 2022 —

Dealer Enrollment in the 2023 Technician Excellence Program Taking Place Now

GM announced the all-new Technician Excellence Program (U.S.) in January 2022 to recognize dedicated dealership service technicians. (Fig. 1) More than 27,000 technicians participated in the program. And each quarter, […]

November 8, 2022 —

Using Hoist Lift Pad Adapters for Silverado 1500 and Sierra 1500

Properly supporting 2019-2023 Silverado 1500 and Sierra 1500 models may require the use of lift pad adapters, depending on the hoist and lifting points used. When the new models of […]

November 8, 2022 —

Brake Pedal Play May Affect Cruise Control Operation

Excessive brake pedal free play may cause the cruise control to not set or resume after braking on some 2022 Encore GX and Trailblazer models. It may be necessary to […]

November 8, 2022 —

MAF Sensor Calibration Update

After replacing the Engine Control Module (ECM) on some 2020-2023 Encore GX and Trailblazer models equipped with the 1.3L turbo engine (RPO L3T) and 2022 XT4, XT5, XT6; 2022-2023 Blazer […]

November 8, 2022 —

2023 Mark of Excellence Program Enrollment Period Extended

The Mark of Excellence program (U.S.) recognizes the achievements, professionalism, and commitment of many GM dealership personnel, including those in the service department. Service technicians enrolled in the 2023 program […]

October 31, 2022 —

New 2023 Engine Oil Capacities Chart Now Available

The new TechLink 2023MY Engine Oil Capacities chart is now available under the Reference Charts menu. The chart includes engine, RPO, specifications (liters and quarts), oil viscosity and engine oil […]

October 27, 2022 —

DTCs Set After Wheel Speed Sensor Replacement

The right and left front wheel speed sensors on 2019-2023 Silverado and Sierra trucks look very similar. When replacing a front wheel speed sensor (Fig. 3, #3), be sure to […]

October 27, 2022 —

Body Control Module Malfunction DTC

Some 2020-2023 CT4, CT5, Corvette; 2021-2023 Envision, Escalade, Tahoe, Suburban, Yukon; and 2022 Silverado 1500 and Sierra 1500 models may have DTC P0606 (Control Module Processor Performance) set in the […]

October 27, 2022 —

Fluid Leak at the Rear of the Transmission

A transmission fluid leak may be seen on some 2022 Silverado, Tahoe, Suburban, Sierra, Yukon and Escalade models equipped with the 10L80 10-speed automatic transmission (RPO MHS, MHT, MQB, MQC). […]

October 27, 2022 —

Radiator Air Baffle Squeak Sound

A squeak sound may be heard coming from the front of the vehicle on some 2019-2023 Camaro models equipped with the 2.0L I4 turbo engine (RPO LTG) or the 3.6L […]

October 27, 2022 —

October Service Newsletter from the Experts at GM TAC

The latest diagnostic assistance from the professionals at the GM Technical Assistance Center is now available in the October GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]

October 27, 2022 —