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 […]

The GM Electronic Parts Catalog (EPC) makes a great deal of GM parts information — including part numbers, part descriptions, model applications and more — easily available to users in […]

2017-2018 Bolt EV models feature Michelin Selfseal® tires that will immediately seal the tread when punctured up to 1/4-inch (6 mm) in diameter. The Selfseal tires also may be repaired […]

The 3.6L engine (RPO LGZ) available on 2017-2018 Colorado and Canyon models uses an engine oil filter adapter (housing assembly) with an adapter center insert (Fig. 10) that supports the […]

Some personalization selections may be missing from the Comfort and Convenience Settings menu on some 2017-2018 Envision, CT6, Escalade, Impala, Silverado, Tahoe, Suburban; 2017 ATS, CTS; and 2018 Sierra and […]

The Pre-Delivery Inspection (PDI) forms, Service Forms and VIN Cards are now available through GM GlobalConnect. (Fig. 17) Previously, these documents were hosted on the service.gm.com website, which is no […]

10218.03V – Emerging Issues March 8, 2018 The latest service topics from GM Brand Quality and Engineering are covered, including a look at the new 2019 Corvette ZR1 (Fig. 21) […]

Checking for the correct tire air pressure on a vehicle requires a tire air pressure gauge, right? Not on GM models equipped with the new Tire Fill Alert system. It’s […]

The latest software update for the CH-47976 Active Fuel Injector Tester (AFIT) is now available for download. The software release — free of charge to GM dealerships — updates several […]

When testing an engine using the Active Fuel Injector Tester (AFIT) kit on most GM vehicles, the tools must be connected to power correctly in order for proper communication. The […]

Some 2016-2017 Camaro convertible models may have a noticeable wind noise condition at the rear quarter window area. The wind noise may be due to a misalignment between the front […]

2016-2018 Camaro convertible models (Fig. 10) may have a “Top Not Secure” message display on the Driver Information Center and the rear compartment lid may not open. Fig. 10 During […]

When a warranty repair is made, are you sure you’re using the correct labor code? The new GM Warranty Job Aid tool, found under the Labor Time Guide category in […]