Latest Techline Connect Tips Shared by the TCSC
The Techline Customer Support Center (TCSC) has released their latest tips for Techline Connect and the Service Programming System. To get the most out of Techline Connect (TLC), check the […]
The Techline Customer Support Center (TCSC) has released their latest tips for Techline Connect and the Service Programming System. To get the most out of Techline Connect (TLC), check the […]
In cold ambient conditions (10°F / –12°C), DTCs P30C3 and/or P30BF, P30C7 and P30CB may set on some 2019-2022 Silverado, Sierra; and 2020-2022 CT4 models equipped with the 2.7L engine […]
GM Brand Quality has introduced a new labor code for 2023 passenger cars and trucks to help isolate instances where a customer’s concern is remedied when a technician resets the […]
After the replacement of the turbocharger on some 2020-2023 Encore GX and 2021-2023 Trailblazer models equipped with the 1.2L engine (RPO LIH), DTC P0234 (Engine Overboost) may set in the […]
The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM-certified repairs. This month the seminar reviews testing diesel fuel for DEF contamination. (Fig. 15) […]
An audible clicking sound or chattering noise from the rear of the vehicle while making tight turns may be heard on some 2016-2023 LCF 3500/4500; 2017-2023 LCF 4500HD/4500XD, LCF 5500HD/5500XD; […]
Some 2022-2023 Corvette, Silverado, Tahoe, Suburban, Sierra, Yukon and Escalade models equipped with the 5.3L V8 engine (RPO L84) or 6.2L V8 engine (RPO L87, LT2) may have an illuminated […]
Reduced engine power may occur on some 2018-2022 Malibu, Equinox and Terrain models equipped with the 1.5L engine (RPO LYX, LFV) along with one or more of the following DTCs […]
Automatic transmission fluid may be seen under the center of the vehicle on some 2015-2023 Escalade, Colorado, Express, Silverado 1500, Silverado 2500/3500, Tahoe, Suburban, Canyon, Sierra 1500, Sierra 2500/3500 and […]
The 6.2L V8 engine (RPO L87) and 6.6L V8 engine (RPO L8T) may produce several different sounds under various conditions on some 2019-2023 Silverado 1500, Silverado 2500/3500, Tahoe, Suburban, Sierra […]
The latest diagnostic assistance from the professionals at the GM Technical Assistance Center is now available in the November GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]
When replacing the Remote Keyless Entry (RKE) transmitter (key fob) (Fig. 1) under warranty on 2017-2023 GM vehicles equipped with Remote Keyless Entry/Passive Entry (RPO ATH) and Keyless Open/Start (RPO […]
The GM Field Service Engineer (FSE) Technician Recognition Awards (U.S.) celebrate the skill and dedication of dealership technicians who have recently worked with FSE’s on challenging repairs. Technicians at GM […]
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 […]
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 […]
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) […]
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, […]
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 […]
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 […]
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 […]