Monthly Archives: November 2017

GM Auto Engine Stop/Start Systems

The Engine Stop/Start system, which automatically turns off the engine when the vehicle comes to a stop in appropriate driving conditions, can reduce fuel consumption and carbon dioxide (CO2) emissions by up to 5% in mixed driving conditions. In an … Continue reading

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Enhanced Starter Motor Operation in Engine Stop/Start Systems

The Engine Stop/Start system in GM vehicles automatically turns off the engine when the vehicle comes to a stop under certain driving conditions, and can quickly restart the engine in about 0.3 seconds when commanded to do so.   A … Continue reading

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New Pedestrian Impact Detection System

A new safety system on the 2018 Buick Regal is the Pedestrian Impact Detection System (PIDS). (Fig. 9) Its primary function is to provide supplemental protection to pedestrians involved in vehicle impacts by raising the hood to create sufficient vertical … Continue reading

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Rear Camera Image Distortion

The Rear Vision Camera or Surround Vision Camera on some 2018 Traverse and Enclave models may have a yellow or blue display (Fig. 13) with a blurry or distorted image (Fig. 14), a display showing only gridlines, or a blue … Continue reading

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2018 Mark of Excellence Program Enrollment Going on Now

The 2018 GM Mark of Excellence Recognition Program enrollment period has been extended to February 9, 2018. All U.S. GM dealers are encouraged to enroll their service technicians in the program, which recognizes top dealership service technicians with the National … Continue reading

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2018 Buick Regal Debuts with New Models

For the 2018 model year, the Buick Regal is all new and features two new body styles — Sportback and TourX (Fig. 1) — and an aggressive top-of-the-line GS model. The Sportback is available in Front-wheel drive (FWD) and All-wheel … Continue reading

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GDS2 Core Software Version 19 Released

A new version (19.0.04100) of the GDS2 core software has been released recently. The new release includes numerous software fixes, including a resolution to the Vehicle-wide DTC concern as well as numerous visual updates to improve the readability of the … Continue reading

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Warranty Claim Codes Verify Repairs

When repairs involve control module reprogramming, technicians must document the Warranty Claim Code on the shop copy of the job card. The Warranty Claim Code is provided in the Service Programming System (SPS) when programming is complete. (Fig. 10)   … Continue reading

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Successful Control Module Programming

It’s becoming second nature for many repairs — reprogramming vehicle control modules with updated calibration files using the Service Programming System (SPS). (Fig. 12) The calibration files contain the data that manage vehicle control functions. The programming process uses Pass-Thru … Continue reading

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Super Cruise Freeways Near You

The Super Cruise hands-free driving technology available on the 2018 Cadillac CT6 automatically steers the vehicle to maintain lane position when driving on limited-access freeways.   GM has mapped over 130,000 miles of limited-access freeways for the Super Cruise system … Continue reading

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