The Digital Map Module (DMM) used in the Super Cruise system on the 2018 CT6 (Fig. 1) determines the vehicle’s position and localization and communicates navigational and predictive data of […]

The Super Cruise™ system available on the 2018 Cadillac CT6 automatically steers the vehicle when driving on a limited-access freeway, allowing drivers the convenience of hands-free driving. (Fig. 6) Because […]

When updating the Active Fuel Injector Tester (AFIT) (CH-47976) software, some users may receive a notice about the AFIT USB cable (CH-47976-3) that is used to connect the Main Control […]

The climate controls pop-up display may show an incorrect temperature setting on some 2018 Terrain models. The Heating, Ventilation and Air Conditioning (HVAC) temperature setting shown on the temperature control […]

The radio/tuner, radio control/display/Integrated Center Stack (ICS) and Human Machine Interface (HMI) have been placed on restriction for many 2018 GM models. If any of these parts need to be […]

When downloading or launching an app after a radio replacement on some 2017-2018 CTS; 2018 ATS, XTS and Terrain models equipped with infotainment system RPOs IOU or IOT, the message […]

Some 2015-2018 Colorado and Canyon models (Fig. 3) may appear to be leaning slightly toward the left side due to the mass distribution of the vehicle. If this condition is […]

The latest update to the GDS2 core software (Version 20.0.18400) in TIS2Web, released April 23, 2018, includes changes to the VIN field on the Vehicle Selection screen. After updating the […]

The appearance of white powder below the air conditioning lines in the engine compartment may be noticeable on some 2017-2018 Colorado and Canyon models. (Fig. 8) Fig. 8 The powder […]

GM Customer Care & Aftersales, GMC and GMC dealers are hosting the 6th Annual Honoring Our Heroes Gala to help raise funds to build custom-designed, mortgage-free Smart Homes that meet […]

It’s simple. If you work on any components of the Supplemental Inflatable Restraint (SIR) system without disabling the system, you run the risk of an inadvertent airbag deployment, which is […]

GM has released an updated Original Equipment Batteries Part Number chart for use when testing batteries using the EL-50313 GR8 Battery Tester/Charger. The chart includes cold cranking amperage (CCA) ratings […]

10218.04V – Emerging Issues April 12, 2018 The latest service topics from GM Brand Quality and Engineering are covered, including an update to the Wireless Charging Mat Kit (Fig. 8) […]

Some 2017 Acadia (VIN N) and XT5 models may have several electrical issues, including a dead battery, an inoperative Stop/Start system, and instrument cluster and switch backlighting illumination conditions. These […]

Some 2018 Encore models equipped with Side Blind Zone Alert (RPO UFT, Side Active Safety–Obstacle Detection) may have a warning alert (Fig. 6) appear in the side mirror when there […]

Some 2018 Enclave, LaCrosse and Terrain models — from start of production to September 28, 2017 — may have several automatic transmission shifting conditions. These conditions apply to Enclave models […]

When the Rear Vision Camera is active on some 2018 Sonic models, there may be a distorted, flickering, or rolling screen or the screen may be red/blue or black. (Fig. […]

Some 2016-2018 CT6 models may have decreased air flow at the instrument panel outer air vents while the vehicle is moving. The air conditioning evaporator core seal may not be […]

The 1.4L engine (RPO LUV) and 1.8L engine (RPO LWE) available in 2013-2018 Encore, Sonic, Trax; 2016 Cruze (VIN P); and 2013-2015 Cruze models use two different oil filters. Two […]