TechLink – Page 35

Wheel Speed Sensor Inspection

Some 2019-2022 Silverado 4500HD/5500HD/6500HD models may an illuminated ABS, traction control and/or brake warning MIL along with several DTCs set. These conditions may be due to an out-of-adjustment wheel speed […]

September 27, 2022 —

September Service Newsletter from the Experts at GM TAC

The latest diagnostic assistance from the professionals at the GM Technical Assistance Center is now available in the September GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]

September 27, 2022 —

Fine Tune Service Information Searches with RPO Data

Technicians navigating in Service Information (SI) using the year, make and model (YMM) of a vehicle are used to seeing all service manual content for that vehicle displayed — that […]

September 20, 2022 —

Duramax Diesel Engine Oil Filter Update for 2023

The PF63 engine oil filter (Fig. 5) is the new recommended filter specification for 2020-2023 Silverado 2500HD/3500HD, Sierra 2500HD/3500HD, Express, Savana; and 2019-2023 Silverado 4500/5500/6500 models equipped with the 6.6L […]

September 20, 2022 —

Knock Sensor Performance Condition

Some 2022 Camaro, Colorado, Acadia, Canyon, XT5 and XT6 models equipped with the 3.6L V6 engine (RPO LGX, LGZ) may have an illuminated Check Engine MIL along with DTC P0331 […]

September 20, 2022 —

Power Folding Mirror Speeds

The power folding mirrors on the driver’s side and passenger’s side of the vehicle (Fig. 10) may appear to operate at different speeds on some 2019-2023 Silverado 1500, Sierra 1500; […]

September 20, 2022 —

GM Service Know-How Emerging Issues

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 […]

September 20, 2022 —

2023 Battery Ratings Chart and Battery Maintenance FAQs Update

U.S. dealerships use the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. (Fig. 1) The report, which is updated every day, indicates if a battery charge […]

August 30, 2022 —

Check the Date — Inspecting High Voltage Insulation Gloves

When working on any high voltage system on a GM vehicle, certified and tested high voltage insulation gloves must be worn. Certified and up-to-date Class “0” insulation gloves rated at […]

August 30, 2022 —

Interference Conditions Impact Forward Collision Warnings

The Forward Collision Alert system (RPO UEU) available on 2020-2023 XT6 models can detect and alert the driver that a front-end collision is imminent with a vehicle being followed as […]

August 30, 2022 —

Engine Oil Leak from Above Oil Filter

An engine oil leak from above the oil filter may be found on some 2016-2019 Cruze; 2016-2022 Malibu; 2018-2022 Equinox, Terrain; 2019-2022 Encore and Trax models equipped with the 1.4L […]

August 30, 2022 —

New Silverado 2500HD/3500HD and Sierra 2500HD/3500HD Brake Pads Available

A brake squeal condition may be heard on some 2020-2022 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD models. (Fig. 15) The brake noise may caused by the lining shim friction material used […]

August 30, 2022 —

Camshaft Sliding Lobe Pack Binding

Some low-mileage 2022 Silverado, Sierra and CT4-V models equipped with the 2.7L turbocharged engine (RPO L3B) may have DTC P30BF (Intake Camshaft Profile Sleeve Position Sensor Performance) set in the […]

August 30, 2022 —

Search TAC Cases Using the Dealer Case Management System

The Dealer Case Management (DCM) system (U.S.) enables dealership technicians to create, update and search GM Technical Assistance Center (TAC) cases to help diagnose tough vehicle conditions more effectively and […]

August 19, 2022 —