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 […]
Early orders of the next generation EL-52800 Diagnostic Charge Battery Station (DCBS) are now shipping from GM Dealer Equipment. Its capabilities will make it easier and faster to test a […]
When testing or charging a battery in a vehicle that is in for service or is part of the dealership’s inventory, it’s critical to get an accurate diagnosis of the […]
GM has recently released revised Dealer Infrastructure Guidelines (DIG) for 2020. The guidelines outline the dealership technology needed to ensure reliable data communications for all dealers, including recommended personal computer […]
The GM Technical Assistance Center, or TAC, (U.S.) has established an Action Center for the all-new 2020 Cadillac CT5, the latest luxury sedan in Cadillac’s lineup. (Fig. 16) Fig. […]
The 2019 Silverado 4500HD/5500HD/6500HD (Fig. 17) has a maximum vehicle speed that is based on the axle ratio of the truck. For example, if the truck has a 4.88 rear […]
Service Drivers Assist and Service Side Object Detection messages and/or a Super Cruise Temporarily Unavailable message may display on the Driver Information Center of some 2019-2020 CT6 models. DTC U0075 […]
Some 2017-2020 Impala models may have an air conditioning system that blows warm air. During diagnosis, it may be found that there is little to no refrigerant in the A/C […]
An illuminated Check Engine MIL may be seen while driving on some 2019-2020 XT4 models. One or more of the following DTCs may be set: B1011, P175F, and/or P25A2. In […]
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Printing to a PDF File in GDS 2
Cooling Fans Running for an Extended Period
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Unable to Deactivate Brake Boost System in GDS 2
Parking Brake Cable Squeak Sound
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EL-52545 TPMS and RF Tool
PC & Diagnostic Bundle
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Aftermarket Diagnostics
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The new EL-52545 TPMS and RF tool (Fig. 17), which will be shipped as an essential tool to all GM dealerships in the 4th quarter of 2019, is designed to […]
Techline computers in GM dealerships running a Windows 7 Professional operating system (OS) must be replaced by December 31, 2019 in order to receive assistance from the Techline Customer Support […]
2019 GM models feature a variety of technology and new systems that may be unfamiliar to technicians and service consultants in GM dealerships. Following are several videos highlighting new features […]
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