TechLink – Page 13

Tips on Identifying Diesel Fuel Contamination

Poor engine performance may be due to fuel contamination on some 2014-2019 Cruze models equipped with the 2.0L diesel engine (RPO LUZ); 2018-2019 Equinox and Terrain models equipped with the […]

December 10, 2024 —

Midtronics Diagnostic Charger DCA-8000P Announced as Essential Tool

The Midtronics Diagnostic Charger DCA-8000P (Fig. 6) is now an Essential Tool for all U.S. dealerships. The DCA-8000P is a state-of-the-art battery charger and tester that provides accurate testing, fast […]

December 10, 2024 —

Accessing Air Ride Adaptive Suspension Data

The Air Ride Adaptive Suspension (RPO F47), available on 2021-2024 Escalade, Tahoe, Suburban, Yukon; 2022-2025 HUMMER EVs; 2024-2025 Silverado EV and Sierra EV, adjusts the ride height of the vehicle […]

December 10, 2024 —

Aftermarket Exhaust System Conditions

Owners of 2020-2025 Corvettes may install an aftermarket exhaust system on their vehicle in an effort to change the performance characteristics or look of the system. However, a number of […]

December 10, 2024 —

Lower Case Extension and Oil Pan Comparison

When replacing the Lower Case Extension (LCE) (Fig. 12) on 2019-2025 Silverado 1500, Sierra 1500; 2020-2025 CT4; 2023-2024 Colorado and Canyon models equipped with the 2.7L engine (RPO L2R, L3B), […]

December 10, 2024 —

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. This month the seminar reviews diagnosing parasitic drains using the PicoScope. (Fig. 15) […]

December 10, 2024 —

New Features of the 2025 Escalade and ESCALADE IQ

The new 2025 Escalade and first-ever all-electric 2025 ESCALADE IQ boast iconic design, interior craftsmanship and the latest automotive technology. Each of these luxury full-size SUVs offer a number of […]

November 26, 2024 —

Follow All Guidelines to Determine Hybrid/EV Battery Stability, Return Shipping Requirements

Before returning the high-voltage battery (Fig. 6) of the 2023-2025 LYRIQ; 2024-2025 Blazer EV, Equinox EV, Silverado EV, Sierra EV; 2022-2025 HUMMER EVs; and 2022-2025 BrightDrop models, there are a […]

November 26, 2024 —

New 2024 Dealer Infrastructure & Security Guidelines Update Firewall Exclusions and SPS USB Requirements

With rapidly changing technology being utilized throughout the dealership environment, the GM Dealer Infrastructure & Security Guidelines (DISG) have been updated to help dealers maintain reliable data communications, establish security […]

November 26, 2024 —

Vehicle Speed Limitations

There are several reasons why a speed limitation may be in place on 2020-2025 Corvette models (Fig. 14), such as an active Teen Driver mode or the convertible folding top […]

November 26, 2024 —

November 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 November GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]

November 26, 2024 —

Get Recognized for Your Training Achievements in the 2025 Technician Excellence Program

The 2025 Technician Excellence Program (U.S.) recognizes and rewards enrolled dealership technicians for achieving technical training certifications and meeting other service criteria. Program criteria include training achievements in the Center […]

November 26, 2024 —

Enrollment Kicks Off for 2025 Mark of Excellence Program

The Mark of Excellence program (U.S.) recognizes the achievements, professionalism and commitment of GM service technicians as well as other dealership personnel. For the 2025 program, enrolled technicians who meet […]

November 22, 2024 —

Proactive Alerts — 12V Battery Drain Detection for EVs

Proactive Alerts, a feature of OnStar Advanced Diagnostics, are designed to help predict specific types of potential performance degradation based on current vehicle data. Several new Proactive Alerts have been […]

November 22, 2024 —