Shift Lever Rattle Sound

Shift Lever Rattle Sound

Some 2017-2019 Colorado and Canyon models equipped with the 6-speed manual transmission (RPO N8D) may have a rattle sound coming from the transmission shift lever. The sound may be due […]

February 15, 2019
Do Not Remove or Swap Navigation SD Cards

Do Not Remove or Swap Navigation SD Cards

The Navigation Data SD cards for infotainment systems with embedded navigation (RPOs IOT, IOU) (Fig. 18) that are available on 2018-2019 Regal, ATS, CTS, XTS, Terrain; and 2019 CT6, XT4, […]

February 15, 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 […]

February 15, 2019
All-New 2019 Blazer Arrives with Attitude

All-New 2019 Blazer Arrives with Attitude

An SUV with attitude was the inspiration behind the design of the all-new 2019 Chevrolet Blazer. (Fig. 1) The midsize Blazer slots between the Equinox and Traverse in the Chevy […]

January 31, 2019
TCC Shudder and New Mobil 1 Fluid Exchange

TCC Shudder and New Mobil 1 Fluid Exchange

A new transmission fluid exchange procedure and a new formula of Mobil 1 Synthetic LV ATF HP transmission fluid have been released to address torque converter clutch (TCC) shudder conditions […]

January 31, 2019
RKE Transmitter Pocket Locations on the New Silverado and Sierra

RKE Transmitter Pocket Locations on the New Silverado and Sierra

The new 2019 Silverado 1500 and Sierra 1500 offers bench seats (RPOs A52, AE7, AZ3) and bucket seats with a center console (RPO A50). When programming a Remote Keyless Entry […]

January 31, 2019
Service 4WD Message

Service 4WD Message

A Service 4WD message or Service Engine Soon message may display on the Driver Information Center of some 2019 Silverado 1500 and Sierra 1500 models. The following DTCs may be […]

January 31, 2019
Water Pump and Water Pump Housing Replacements

Water Pump and Water Pump Housing Replacements

Some water pumps may have been replaced when the actual failure was the water pump housing on some 2016-2019 Encore, Cruze, Malibu, Spark, Volt, and 2018-2019 Equinox and Terrain models […]

January 31, 2019
Dead Battery after Remote Start

Dead Battery after Remote Start

Some 2019 XT4 models may have a dead battery after sitting for several hours after a remote start. A dead battery may result after a remote start operation when one […]

January 31, 2019
Tips on Photographing Vehicle Conditions

Tips on Photographing Vehicle Conditions

When calling the GM Technical Assistance Center (TAC) for help with diagnosing a vehicle condition or when submitting a Field Product Report, or FPR (U.S.), a photo of the vehicle […]

January 31, 2019

New Look for TechLink in 2019

For the New Year, we’ve made a few changes to the GM TechLink website. Our resolution is to continuously enhance the usability of TechLink in order to effectively deliver the […]

January 23, 2019
New Trailering App and Trailer Tire Pressure Monitor System

New Trailering App and Trailer Tire Pressure Monitor System

The all-new 2019 Silverado 1500 and Sierra 1500 (Fig. 1) offer available trailering systems that feature a trailering app, trailer tire pressure monitors, and HD cameras. Fig. 1 The trailering […]

January 23, 2019
New EL-52641Trailer Presence Simulator Tester

New EL-52641Trailer Presence Simulator Tester

The recently released EL-52641 Trailer Presence Simulator Tester is a trailer module tester and trailer simulator that can be used to simulate a trailer connected to the vehicle when performing […]

January 23, 2019
New Dealer Infrastructure Guidelines Announce End of Windows 7 Support

New Dealer Infrastructure Guidelines Announce End of Windows 7 Support

GM has recently released revised Dealer Infrastructure Guidelines (DIG) for 2019. The guidelines outline the dealership technology needed to ensure reliable data communications for all dealers.   Win 7 Support […]

January 23, 2019
Voice Recognition Prompts May Change as System is Used

Voice Recognition Prompts May Change as System is Used

The Infotainment 3 systems (RPOs IOS, IOT, IOU), available on a number of 2017-2019 GM models has a voice recognition feature that offers varying responses as the system is used […]

January 23, 2019
Wheel Studs with Yellow Coating

Wheel Studs with Yellow Coating

The new 2019 Silverado and Sierra use wheels studs that have a yellow coating on the lower portion of the stud threads to prevent corrosion of the threads. (Fig. 14) […]

January 23, 2019
Oil Pan Drain Plug Leak

Oil Pan Drain Plug Leak

An engine oil leak may be noticed after an oil and filter change on some 2017-2019 Cruze and 2018-2019 Equinox and Terrain models equipped with the 1.6L 4-cylinder diesel engine […]

January 23, 2019
Turbocharged Gas Engine Performance in Cold Temperatures

Turbocharged Gas Engine Performance in Cold Temperatures

Turbocharged gasoline engines on some 2000-2019 GM models may experience poor performance in very cold ambient temperatures (32 °F, 0 °C or lower). (Fig. 19) DTCs P0299 (Engine Underboost) or […]

January 23, 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 […]

January 23, 2019
GM Training Programs for Dealership Service Technician Candidates

GM Training Programs for Dealership Service Technician Candidates

GM is involved in a number of technical apprenticeship and education programs that help in training new technicians for dealerships. Developing a technician takes an investment in time by both […]

December 21, 2018