TechLink – Page 41

Cold Weather Driving and Tire Pressure Monitor System Diagnostic Tips

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 […]

February 16, 2022 —

Poor Engine Performance and Charge Air Cooler Icing Conditions

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 […]

February 16, 2022 —

Illuminated Service AWD Lamp with PTU DTCs Set

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, […]

February 16, 2022 —

2022 Model Year Rear Seat Infotainment Feature Changes

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 […]

February 16, 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. The latest service topics from GM Brand Quality and Engineering covered in […]

February 16, 2022 —

New Service Newsletter from the Experts at GM TAC

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 […]

February 4, 2022 —

New Technician Excellence Program Announced for 2022

GM has announced the all-new Technician Excellence Program (U.S.) for 2022 to recognize dedicated dealership service technicians. (Fig. 1) Enrolled technicians who achieve Gold Certification, Master Technician Certification (MTC), or […]

January 31, 2022 —

Tailgate Release Switch Available as Individual Part

If diagnosis points to the need to replace a failed external tailgate release switch on 2019-2022 Sierra 1500, Sierra 2500/3500; Silverado 1500 and Silverado 2500/3500 models, including models equipped with […]

January 31, 2022 —

Valve Lifter Replacement Tips

When replacing a collapsed lifter and/or a lifter that has come apart due to an internal lifter issue on 2020-2021 Silverado 1500, Sierra 1500; 2021 Tahoe, Suburban, Yukon and Escalade […]

January 31, 2022 —

Driver Seat Adjuster Memory Module Conditions

There may be several power seat adjustment conditions found on some 2020-2021 Corvette, CT4, CT5; 2021 Envision, Escalade, Tahoe, Suburban and Yukon models. The seat adjustment conditions may include: The […]

January 31, 2022 —

Disabling the Chevrolet Multi-Flex Tailgate and GMC MultiPro Tailgate Function

The Chevrolet Multi-Flex tailgate and GMC MultiPro tailgate (RPO QK2) available on the 2022 Silverado 1500, Silverado 2500/3500, Sierra 1500 and Sierra 2500/3500 offers flexibility and functionality designed to improve […]

January 19, 2022 —

Shift to Park Message on Camaro Models

Some 2016-2020 Camaro models (Fig. 7) equipped with the 8-speed automatic transmission (RPO M5T, M5U) or 10-speed automatic transmission (RPO MF6, MGL, MI1, MI2, MI4) may have a Shift to […]

January 19, 2022 —

Corvette 1st Service Visit Timing Update

The Chevrolet Complete Care program (U.S.) has been updated recently to include an extension of the Included Maintenance timing requirements for the owners of 2020-2022 Corvette models (C8) (Fig. 11) […]

January 19, 2022 —

Diagnosing Engine Sounds

If an engine ticking or knocking sound is noticed on some 2019-2022 Silverado, Sierra; 2021-2022 Tahoe, Suburban, Yukon and Escalade models equipped with the 5.3L V8 engine (RPO L84) (Fig. […]

January 19, 2022 —