Archive for March, 2016

R-1234yf Refrigerant Rollout Coming in 2017 Model Year

R-1234yf Refrigerant Rollout Coming in 2017 Model Year

A number of 2017 Chevrolet, Buick, GMC and Cadillac models will join the current Cadillac XTS and Chevrolet Spark EV in using the new air conditioning refrigerant R-1234yf. R-1234yf is […]

March 25, 2016
GDS 2 Update Released

GDS 2 Update Released

A number of changes to GDS 2 covering MDI and MDI 2 connections as well as graphing features are included in the recently released GDS 2 version 15.0. Here’s a […]

March 25, 2016
Windows 10 Incompatibility Update

Windows 10 Incompatibility Update

GM is actively working to certify all Techline applications for compatibility with Windows 10 in a timely manner with a goal of ensuring users will be eligible to receive the […]

March 25, 2016
New TAC Phone Prompts Speed Service

New TAC Phone Prompts Speed Service

Nothing is more valuable to technicians than time. That’s why the U.S. GM Technical Assistance Center (TAC) phone prompts are designed to quickly get callers to the appropriate group when […]

March 25, 2016
Storing and Using Special Tools in the Dealership

Storing and Using Special Tools in the Dealership

It’s simple but true: time is money. If a service department isn’t organized, technicians can waste a lot of valuable time searching for essential and special tools or using the […]

March 25, 2016
Forward Lamp Harness Water Intrusion

Forward Lamp Harness Water Intrusion

On some 2016 Camaros equipped with the 3.6L engine (RPO LGX) and without the Track Performance package (RPO Y4Q), the engine cooling fan may intermittently stop working and the Check […]

March 25, 2016
Auto Heated and Auto Heated/Ventilated Seats Diagnostic Tips

Auto Heated and Auto Heated/Ventilated Seats Diagnostic Tips

The 2016 ATS, CT6, CTS, Escalade models, SRX, and XTS feature available automatic heated seats. The 2017 XT5 features available automatic heated and ventilated seats. These models are also equipped […]

March 25, 2016
Sound from Steering when Driving over Bumps

Sound from Steering when Driving over Bumps

There may be a rattle or clunk sound coming from the front of some 2015-2016 Colorado and Canyon models when driving over bumps. Upon inspection, this sound may be isolated […]

March 25, 2016

Service Know-How

10216.03D – Emerging Issues March 10, 2016   To view Emerging Issues seminars: • Log in to www.centerlearning.com –   Select Resources > Service Know-How/TECHAssist > Emerging Issues > Searchable Streaming […]

March 25, 2016
Bulletin Review – February 2015

Bulletin Review – February 2015

March 25, 2016
The All-New 2016 Malibu

The All-New 2016 Malibu

Completely redesigned from the ground up, the 2016 Malibu midsize sedan (VIN Z) boasts new styling, advanced safety technologies and a variety of connectivity features.   The new Malibu is […]

March 3, 2016
New GM Accessories Information Center Website

New GM Accessories Information Center Website

The new GM Accessories Information Center gives technicians easy access to all the details on a variety of vehicle accessories — from ambient lighting to wheel lock kits — all […]

March 3, 2016

System Software Makes Accessory Installation Easier

The installation of some Limited Production Option (LPO) accessories is now made easier at the dealership thanks to the system software being installed in the vehicle during production.   The […]

March 3, 2016
Using GM-Approved Battery Chargers and Booster Packs

Using GM-Approved Battery Chargers and Booster Packs

Occasionally, a vehicle in for service or in dealership inventory may require a jump start for a dead battery. One case at a GM dealership recently illustrated the importance of […]

March 3, 2016
Transmission Adaptive Functions

Transmission Adaptive Functions

Some owners of low-mileage 2015-2016 Cadillac, Chevrolet and GMC models equipped with the new 8L90 or 8L45 automatic transmission (RPOs M5U, M5T, M5N, M5X) may comment that shifting feels too […]

March 3, 2016
Poor Heater Performance

Poor Heater Performance

Some 2015-2016 Colorado and Canyon models may have poor heater performance with the HVAC system only blowing cold air. Relearning the HVAC doors may temporarily eliminate this condition.   Remove […]

March 3, 2016
Battery Discharged Overnight

Battery Discharged Overnight

The battery may discharge overnight on some 2015-2016 Colorado and Canyon models. It may be possible to duplicate a 150 mA or 450 mA draw.   If this condition is […]

March 3, 2016