The latest update to the GM Global Electronic Parts Catalog (EPC) features additional identifiers for single use parts along with a number of links to related Service Information procedures and […]
When working on any high voltage system on a GM vehicle, certified and tested high voltage insulation gloves must be worn. (Fig. 9) Certified and up-to-date Class “0” insulation gloves […]
Some 2020 Trax models may have airbag, theft (security) and tire pressure warning lamps that turn on/off along with an illuminated Check Engine lamp during vehicle turns. DTCs U0078 (Control […]
A squeak sound may be heard from the steering system when making turns in either direction on some 2017-2022 Bolt EV and 2022 Bolt EUV models. The sound may be […]
The GM Field Service Engineer (FSE) Technician Recognition Awards (U.S.) celebrate the skill and dedication of dealership technicians who have recently worked with FSE’s on challenging repairs. Technicians at GM […]
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 […]
The 9T65 9-speed automatic transmission (RPO M3V, M3W) replacement pilot program (U.S.) for the 2018-2022 Enclave, Traverse; 2019-2022 Blazer; and 2020-2022 Acadia, XT5, and XT6 models concluded on September 30, […]
When completing the programming procedures for updating the infotainment system software on vehicles equipped with an Infotainment 3 system (RPO IOR, IOS, IOT, IOU, IOV), SPS (Service Programming System) and/or […]
Concerns about mobile device connections – Apple and Android –on a vehicle equipped with an Infotainment 3 system (RPO IOR, IOS, IOT, IOU, IOV) can be difficult to reproduce and […]
When performing transmission repairs on 2016-2019 Silverado and Sierra models and 2015-2020 Tahoe, Suburban and Yukon models equipped with the 6L80 6-speed automatic transmission (RPO MYC) for harsh shift, delayed […]
Some 2021 Silverado 1500 and Sierra 1500 trucks equipped with the 5.3L V8 (RPO L84) and 10L80 10-speed automatic transmission (RPO MQB), excluding models with RPO YK9, may have a […]
A new software update (DCAG1-33-24) is now available for the EL-52800 Diagnostic Charge Battery Station (DCBS). (Fig. 12) All DCBS units should be updated to the latest software version to […]
A pop sound may be heard under heavy acceleration on some 2021-2022 Encore GX and Trailblazer models equipped with the 1.2L engine (RPO LIH). In addition, one or more of […]
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 […]
Preventing Inadvertent Airbag Deployments
Convertible Top Front Latch Striker Adjustment
Inoperative Door Locks with Various Communication DTCs Set
Front Seat Adjuster Track Assembly Available as Service Part
Check for Required Calibrations before Installing GM Accessories
Limited or Reduced Propulsion Power Messages
New Accessory Wheel Lock Nuts Available for 2022 Model Year
Transmission Cartridge Filter Return
The Blackwings Take Flight – New CT4-V Blackwing and CT5-V Blackwing are Most Track-Capable Cadillacs Ever
9T65 Transmission Replacement Program Ending Soon
Fuse Block or Junction Block Terminal Retention
New Inserts Address Rear Leaf Spring Sounds
VT40 CVT Transmission Slipping Condition
Inoperative Steering Wheel Thumbwheel Select Control Reset
9th-Gear Operation on 9-Speed Transmissions
GM Service Know-How Emerging IssuesMicrosoft Teams Meeting Guide
DCBS GM Max Current 100A Setting Quick Guide
GM EV Safety Gloves
Tips for Warranty Reprogramming Events
Techline Connect Setup
for Updates
Battery replacements made under warranty require that a number of items be completed properly in the dealership not only to support the warranty claim but to also ensure an accurate […]
In order to ensure successful and complete repairs are made when reprogramming control modules, GM reviews module reprogramming warranty claim information and compares it to Service Programming System (SPS) reprogramming […]
The Safety Alert Seat available on many GM models provides a vibration, or haptic warning, in the driver’s seat cushion to alert the driver of the direction of potential…
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