Archive for December, 2020

New Circuit/System Testing for Parasitic Draws

New Circuit/System Testing for Parasitic Draws

Components most likely to cause a parasitic draw on the 12V battery on GM models include switches, relays, LIN buses and control modules. A new voltage drop test in Service […]

December 21, 2020
Listen Up – 2021 Escalade Audio Technology

Listen Up – 2021 Escalade Audio Technology

The 2021 Escalade features industry-first AKG audio technology with an available 36-speaker AKG Studio Reference system that produces professional studio sound. AKG is known worldwide for microphones and headphones used […]

December 21, 2020
Air Conditioning Compressor Failure

Air Conditioning Compressor Failure

The air conditioning may not be getting cold enough or is blowing warm air on some 2018-2020 Malibu and 2019-2020 XT4 models. The A/C compressor on these models may have […]

December 21, 2020
Trailer Lighting Conditions with the In-Vehicle Trailering App

Trailer Lighting Conditions with the In-Vehicle Trailering App

If the trailer lighting on customers’ trailers connected to some 2019-2020 Silverado and Sierra models does not operate as expected, such as inoperative lighting, improper trailer detection, or intermittently flashing […]

December 21, 2020
Common Tire Concerns and Warranty Coverage

Common Tire Concerns and Warranty Coverage

As the weather turns colder in parts of the country, wreaking havoc on roads, chances for tire damage or irregular tire wear to occur become more prevalent. New GM vehicles […]

December 21, 2020
Pre-Delivery Inspection Forms Available on GlobalConnect App, No Longer in Service Information

Pre-Delivery Inspection Forms Available on GlobalConnect App, No Longer in Service Information

Dealership personnel looking for the Pre-Delivery Inspection (PDI) forms (Fig. 21) for current GM vehicles will find them through the PDI Forms app on GM GlobalConnect. PDI forms can no […]

December 21, 2020
Bluetooth and Phone Projection TAC Worksheet

Bluetooth and Phone Projection TAC Worksheet

Before calling the GM Technical Assistance Center (TAC) for any Bluetooth or phone projection (Apple CarPlay and Android Auto) concerns (Fig. 24), TAC has released a template to follow when […]

December 21, 2020
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 […]

December 21, 2020
All-New 2021 Escalade Showcases Innovative Technology

All-New 2021 Escalade Showcases Innovative Technology

Completely redesigned with advanced technology and iconic style, the all-new 2021 Escalade is now arriving at Cadillac dealerships. (Fig. 1) With innovative features like a curved Organic Light Emitting Diode […]

December 10, 2020
2021 Escalade Features First-Ever Curved OLED Display

2021 Escalade Features First-Ever Curved OLED Display

It’s been called a game changer in automotive interior design and technology. The industry’s first-ever curved Organic Light Emitting Diode (OLED) instrument display in the 2021 Escalade revolutionizes the way […]

December 10, 2020
Techline Connect Software Update

Techline Connect Software Update

The latest update to the Techline Connect software that was recently released includes changes designed to enhance the efficiency and productivity of the application. (Fig. 21)   Fig. 21   […]

December 10, 2020
Mark of Excellence Program Enrollment Open Now for 2021

Mark of Excellence Program Enrollment Open Now for 2021

The Mark of Excellence program (U.S.) (Fig. 23) recognizes the achievements, professionalism, and commitment of many members of the GM dealership community. For 2021, service technicians enrolled in the program […]

December 10, 2020
Radio Programming – Calibrations or Software?

Radio Programming – Calibrations or Software?

When 2018-2021 GM models equipped with an Infotainment 3 System (RPO IOR, IOS, IOT, IOU, IOV) (Fig. 26) come into the dealership with various system concerns – the radio display […]

December 10, 2020
Damaged Fuel Pressure Sensor Connector

Damaged Fuel Pressure Sensor Connector

A number of fuel-related DTCs may be set on some 2017-2018 Silverado, Sierra; 2019-2021 Silverado 2500HD/3500HD, Sierra 2500HD/3500HD, and Silverado 4500HD/5500HD/6500HD models equipped with the 6.6L Duramax diesel engine (RPO […]

December 10, 2020