Next Generation Digital Vehicle Platform Provides Foundation for Future Technology

Next Generation Digital Vehicle Platform Provides Foundation for Future Technology

As the technology in new vehicles continues to evolve and expand, more electrical bandwidth and connectivity has become necessary to ensure all the data-driven features can operate efficiently together within […]

October 16, 2019
Getting Ready for Techline Connect

Getting Ready for Techline Connect

Currently being rolled out to select dealerships in the U.S., Techline Connect brings together all the common resources technicians use every day for diagnosis and repairs in one simple application. The […]

October 16, 2019
New EL-52545 TPMS and RF Tool Makes TPMS Sensor Relearn Easy

New EL-52545 TPMS and RF Tool Makes TPMS Sensor Relearn Easy

Ever since the Tire Pressure Monitor System (TPMS) was federally mandated (U.S.) in 2008, radio frequencies have been used on GM models to communicate with the system and to determine […]

October 16, 2019
Diesel Fuel Additives

Diesel Fuel Additives

As colder winter weather rolls in, GM recommends using TOP TIER Detergent Diesel fuel in 2014-2020 GM models equipped with a diesel engine in order to maintain optimal engine performance. […]

October 16, 2019
Transmission Control Module Connector

Transmission Control Module Connector

Some 2019 Silverado 1500, Sierra 1500; and 2020 Silverado and Sierra models may have a discharged battery, the ignition may not turn off, a Shift to Park message may display […]

October 16, 2019
Intermittent Shift to Park Message

Intermittent Shift to Park Message

There may be an intermittent Shift to Park message displayed on the Driver Information Center (DIC) when the vehicle has been shifted to Park and the ignition has been turned […]

October 16, 2019
Whistle Sound from the Engine

Whistle Sound from the Engine

There may be a whistle or squeak sound heard coming from the engine area on some 2019-2020 Blazer models equipped with the 3.6L 6-cylinder engine (RPO LGX). The sound may […]

October 16, 2019
GM Service Know-How

GM Service Know-How

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 […]

October 16, 2019
Installing Techline Connect

Installing Techline Connect

Techline Connect — GM’s latest tool that brings together diagnostic information and vehicle data in one easy-to-use application — is currently being rolled out by state to GM dealerships (U.S.). […]

September 30, 2019
Water Intrusion in Active Grille Air Shutter Connectors

Water Intrusion in Active Grille Air Shutter Connectors

Some 2018-2019 Enclave and Traverse models may have DTC U1345 (Engine Control Module LIN Bus 1) set along with an illuminated Check Engine lamp. If these conditions are found, there […]

September 30, 2019
Upper B-Pillar Rattle Sound

Upper B-Pillar Rattle Sound

A slight rattle sound may be heard near the B-pillar on the driver’s or passenger’s side of some 2019-2020 XT4 models. The sound may be due to a design variance […]

September 30, 2019
Incorrect Infotainment Screen Pop-up Messages

Incorrect Infotainment Screen Pop-up Messages

A “Climate Off” pop-up message may display on the infotainment screen even though the HVAC system is fully functional on some 2019 CT6, XT4, Blazer, Camaro, Colorado, Equinox, Malibu, Silverado […]

September 30, 2019
Engine Harness Contact with Underhood Components

Engine Harness Contact with Underhood Components

There may be several engine performance conditions on some 2019 Silverado 1500 and Sierra 1500 models equipped with the 2.7L 4-cylinder engine (RPO L3B), including no start, no crank, engine […]

September 30, 2019
Exhaust Leak Conditions

Exhaust Leak Conditions

Several exhaust leak conditions, including a rattle or exhaust noise, or catalytic converter failure on Bank 1 may occur on some 2018-2019 Enclave and Traverse models equipped with the 3.6L […]

September 30, 2019
Fuel Injector Driver DTCs Diagnostic Tip

Fuel Injector Driver DTCs Diagnostic Tip

If fuel injector driver DTCs are found on some 2019 Silverado 4500 MD, 5500 MD, 6500 MD models equipped with the 6.6L Duramax diesel engine (RPO L5D), it may be […]

September 30, 2019
Low Oil Pressure Condition on 2.0L and 2.5L 4-Cylinder Engines

Low Oil Pressure Condition on 2.0L and 2.5L 4-Cylinder Engines

Some 2013-2019 ATS, Impala, Malibu; 2014-2019 Regal, CTS; 2015-2019 Envision, LaCrosse, Colorado, Acadia, Canyon; 2016-2019 CT6, Camaro; 2017-2019 Traverse, Terrain; 2019 Blazer and Equinox models equipped with the 2.0L 4-cylinder […]

September 30, 2019