Archive for May, 2021

Bolt EV Battery Cell Inspection

Bolt EV Battery Cell Inspection

Updated battery inspection and reprogramming procedures for some 2017-2021 Bolt EV models have been released to help determine battery cell voltage performance. (Fig. 1) The repair procedure also includes reprogramming […]

May 27, 2021
Certified Service Mobile Toolbox App Update Required by June 1

Certified Service Mobile Toolbox App Update Required by June 1

The Certified Service Mobile Toolbox (CSMT) application, which includes the Pre-Repair Authorization (PRA) Process; Field Product Reporting (FPR) for U.S. dealerships or Product Information Reporting (PIR) for Canadian dealerships; and […]

May 27, 2021
What’s in a Name? – Tires Designed for Specific Truck Applications

What’s in a Name? – Tires Designed for Specific Truck Applications

The original tires installed on GM vehicles are designed and tested for specific vehicle applications. Full-size trucks feature a variety of different tires that are designed to perform under all […]

May 27, 2021
Corvette Brake Service Tips

Corvette Brake Service Tips

The 2020-2021 Corvette Stingray features two brake options. RPO JL9 is the base brake system, while the heavy-duty RPO J55 brake system is standard on all models with the Z51 […]

May 27, 2021
No Fob Detected Message

No Fob Detected Message

Some 2021 Tahoe, Suburban, Yukon and Escalade models may have a no crank/no start condition with a No Fob Detected message on the Driver Information Center. The Remote Keyless Entry […]

May 27, 2021
Damaged Camshaft Position Sensor Exciter Wheel

Damaged Camshaft Position Sensor Exciter Wheel

There may be an intermittent extended crank or intermittent crank/no start condition on some 2020-2021 Silverado, Sierra; and 2021 Tahoe, Suburban, Yukon, and Escalade models equipped with the 3.0L diesel […]

May 27, 2021
Excessive Resistance in Cable Causes Black Camera Screen

Excessive Resistance in Cable Causes Black Camera Screen

The infotainment screen on some 2020-2021 XT5, XT6 and Acadia models may intermittently show a black screen with red triangle and red camera icons when the vehicle is in Reverse. […]

May 27, 2021
GM Service Know-How Emerging Issues

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 […]

May 27, 2021
Let’s Take a Look – Remote Diagnostics Using Video Calls with Dealerships

Let’s Take a Look – Remote Diagnostics Using Video Calls with Dealerships

When working with the GM Technical Assistance Center (TAC) or a Field Service Engineer (FSE) on a challenging repair, the next best thing to the TAC agent or FSE actually […]

May 17, 2021
Latest Techline Connect Software Update Released

Latest Techline Connect Software Update Released

The May Techline Connect software update release includes a number of changes for the service application. The update should be downloaded automatically when logging in to Techline Connect. (Fig. 6) […]

May 17, 2021
Testing Setup and Valid Test Codes Key to Battery Warranty Claims

Testing Setup and Valid Test Codes Key to Battery Warranty Claims

Battery replacements made under warranty require that a number of items be completed properly in the dealership not only to support the warranty claim but to also ensure an accurate […]

May 17, 2021
FSE Technician Recognition Awards – 2nd Quarter 2021

FSE Technician Recognition Awards – 2nd Quarter 2021

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 […]

May 17, 2021
GM Accessory Cold Air Intake System Requires Calibration

GM Accessory Cold Air Intake System Requires Calibration

The Chevrolet Performance, GMC and Cadillac Cold Air Intake System (RPO 5W7, RVK) available on 2021 Camaro, Silverado, Tahoe, Suburban, Sierra, Yukon and Escalade models equipped with the 5.3L V8 […]

May 17, 2021
Engine Overheating Message

Engine Overheating Message

Some 2019-2021 XT4, XT5, Blazer, Acadia; 2020-2021 CT4 and CT5 models equipped with the 2.0L 4-cylinder engine (RPO LSY) may have a possible engine overheating condition along with an Engine […]

May 17, 2021
False Park Assist Alerts

False Park Assist Alerts

False Park Assist alerts (Fig. 20) may occur on some 2019-2021 Silverado and Sierra trucks when there is not an object in front and/or behind the vehicle. As a result […]

May 17, 2021