TechLink – Page 33

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 —

Dealer Set-Up File Provides Full List of Special Service Tools

What tools should your dealership have and where are they? Those are easy questions to answer for dealerships with the right special tools organization, which can help technicians quickly find […]

October 20, 2022 —

1.4L Engine Performance in Extremely Cold Weather

Some 2011-2016 Cruze; 2012-2020 Sonic; 2013-2022 Encore and Trax models equipped with the 1.4L engine (RPO LUV) may experience a loss of power or several other engine performance conditions along […]

October 20, 2022 —

6-Speed Transmission Overheating Conditions Diagnosis

The transmission fluid temperature of some 6L80 6-speed automatic transmissions (RPO MYC) and 6L90 6-speed automatic transmissions (RPO MYD) (Fig. 10) may be too hot under some operating conditions. Affected […]

October 20, 2022 —

Incorrect Tire Size May Lead to Damaged Fuel Pump Harness

An extended engine crank or reduced engine power condition may be the result of incorrect tires mounted on some 2016-2023 Camaro SS, Camaro SS 1LE (RPO A1Y); 2017-2023 Camaro ZL1; […]

October 20, 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 features the Diagnostic Charge Battery Station. (Fig. 16) Fig. 16 […]

October 20, 2022 —