When servicing power folding top conditions on 2004-2009 XLR; 2005-2010 G6; 2005-2019 Corvette; 2011-2020 Camaro; and 2016-2019 Cascada convertible models (Fig. 1), it’s important to understand what is happening with […]
Some 2019-2020 Silverado 1500 and Sierra 1500 models equipped with the 5.3L or 6.2L V8 engine (RPOs L82, L84, L87) may have a vibration or drone sound around 40 mph […]
The newest service tool for GM Dealerships will help in organizing and managing their special service tools inventory. GM ToolNet, an innovative asset management application, will be launched by GM […]
A 2020 Silverado HD or Sierra HD equipped with the 6.6L V8 engine (RPO L8T) may have a rough idle or reduced engine power in very cold climates (-10°F or […]
After replacing the transmission, control valve solenoid body, or Transmission Control Module on 2017-2019 Cruze; 2017-2020 Malibu; 2018-2019 LaCrosse; 2018-2020 Enclave, Regal, Traverse, Terrain; 2019-2020 Envision, XT4, Blazer; and 2020 […]
The Surround Vision camera system (RPO UV2) available on a variety of GM models displays an overhead view of the area surrounding the vehicle, along with front or rear camera […]
The Park Assist Control Module (PACM) may fall off the Controller Area Network (CAN) bus when other control modules are serviced on some 2020 CT5 models due to incorrect PACM […]
The GM Loan Tool Program (LTP) supplements the U.S. Essential Tool Program as a cost-effective alternative to purchases of high cost and/or infrequently used special tools. It does not replace […]
The Accessory Rear Seat Infotainment (RSI) system on some 2018-2020 Enclave and Traverse models (Fig. 6) equipped with ventilated front seats (RPO KU9) may power off when the vehicle doors […]
DTC P0747 (Transmission Control Solenoid Valve 1 Stuck On) may be setting at engine start-up when the transmission is in Park on some 2017-2019 Cruze; 2017-2020 Malibu; 2018-2020 Enclave, Envision, […]
An engine vibration condition may occur when the vehicle is stationary or accelerating from a stop on some 2014-2018 Silverado, Sierra; 2015-2020 Escalade, Tahoe, Suburban, Yukon; 2016-2019 CTS-V; 2016-2020 Camaro; […]
Some 2015-2018 Silverado and Sierra models and 2019 Silverado 2500/3500 and Sierra 2500/3500 models equipped with the 6.6L Duramax diesel engine (RPOs LML, L5P) and dual fuel tanks (23.5 gallon/89 […]
The horn may sound muffled, distorted or sounds only the high note on some 2018-2020 Enclave and Traverse models. These horn conditions may be caused by a frequency that distorts […]
Some 2020 XT4 models may have a brake squeal sound at low speeds. (Fig. 17) The front brake pads on some models may be susceptible to producing brake squeal. […]
If a 2017-2020 Colorado or Canyon model will not move or the transmission slips when shifted into any gear range immediately after flat towing the vehicle, inspect the internal components […]
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 […]
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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