The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM-certified repairs. This month the seminar recaps several electric vehicle topics. (Fig. 8) Fig. 8 […]
The latest diagnostic assistance from the professionals at the GM Technical Assistance Center is now available in the December GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]
GM has extended the use of the EL-50313 Midtronics GR8 Battery Tester/Charger for battery charging and diagnosing 12V batteries under warranty to the end of September 2024. Beginning October 1, […]
When opening the doors with the side windows fully closed on all HUMMER EV models, window indexing automatically lowers the window a small amount. Once the door is closed, the […]
Some 2020-2024 Corvettes may have a no start condition or the vehicle may not shut down. In some cases, these conditions may lead to a drained battery. There also may […]
The 2024 Blazer EV is the latest addition to the GM electric vehicle lineup that is athletic and aggressive in both styling and performance. But it also features some exciting […]
The MAHLE TechPRO Professional Aftermarket Diagnostics application (Fig. 9) was recently introduced by GM Customer Care and Aftersales to help U.S. dealerships with diagnosing non-GM vehicles. The diagnostic app provides […]
HUMMER EV trucks feature standard 35-inch tires that are specially engineered to deliver outstanding traction and towering ground clearance. (Fig. 12) In addition, the pickup can fit tires up to […]
The Rear Cross Traffic Alert and/or Side Blind Zone Alert system (Fig. 14) on some 2021-2023 Tahoe, Suburban, Yukon and Escalade models may not detect certain vehicles. A “system unavailable” […]
A change has been made to the Transmission Oil Filter and Seal Kit (part number 24236933) (Fig. 18) for the 6L50 (RPO MYB), 6L80 (RPO MYC) and 6L90 (RPO MYD) […]
Damage to the wheel drive shaft threads (Fig. 1 and 2) may occur if power tools are used to remove the wheel drive shaft nut on some 2021-2023 XT5, XT6, […]
The 8-speed automatic transmissions (RPO M5N, MNU, M5U, M5X, MHA, M5T, MQE, MQD) in some 2015-2018 Corvette; 2015-2020 Escalade, Yukon; 2015-2023 Silverado 1500, Sierra 1500; 2016-2018 CTS; 2016-2019 ATS, CTS; […]
A number of powertrain DTCs may be set along with an illuminated Check Engine MIL on some 2023-2024 Colorado, Canyon; 2024 Silverado 1500 and Sierra 1500 models equipped with the […]
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 […]
The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM-certified repairs. This month the seminar takes a look at the new 2024 Corvette E-Ray. […]
The Mark of Excellence program (U.S.) recognizes the achievements, professionalism, and commitment of GM dealership personnel, including those in the service department. Service technicians enrolled in the 2024 program who […]
GM Electric Vehicles (EV), such as the LYRIQ, Blazer EV and Silverado EV, are equipped with a high-voltage battery system for vehicle propulsion and a 12V battery system that is […]
The paint may have chipped or peeled on the front fascia or fender-to-fascia body seam on some 2020-2024 Corvettes. (Fig. 9) The paint chip may be due to the headlamp […]
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 […]
It may appear that the front heated seats do not turn on in some 2023-2024 Silverado and Sierra trucks. When a front heated seat is turned on, any combination of […]
Transmission Whine Sound
March Service Newsletter from the Experts at GM TAC
Vehicle Alignment and Super Cruise
Rear Axle Differential Lock Control Actuator Condition
Diesel Exhaust Fluid Supply Pipe Contamination
FSE Technician Recognition Awards – 1st Quarter 2024
Crankshaft Bearing Diagnosis
Convertible Top Water Leak
Power Tonneau Cover Tips
GM Service Know-How Emerging Issues
MDI 2 Advanced Setup Technical Tips Update
Fuel Feed Pipe Buzzing Sound
February Service Newsletter from the Experts at GM TAC
Exhaust Resonator Rattle
Heated Steering Wheel Operation During a Remote StartGM Dealer Equipment (GMDE)
TAC Newsletter March 2024
TAC Newsletter February 2024
Techline Connect Tips March 2023
The EL-52800 Diagnostic Charge Battery Station (DCBS) is the recommended and approved tool for diagnosing battery replacements and submitting battery warranty claims. And effective January 1, 2024, the DCBS (Fig. […]
A new feature will make logging into Techline Connect easier and quicker for users. Previously, Techline Connect had its own unique login, using the Techline Connect desktop icon, and users […]
Take a detailed look at a wide range of innovative features and advanced systems found on GM vehicles to gain a better understanding of proper operation. Each short video reviews how a feature works, highlights operating tips and shows ways to customize settings, if applicable.
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