Monthly Archives: July 2016

New Electronic Transmission Range Select Shift-by-Wire System

Selecting a gear on the Aisin AF50-8 8-speed automatic transmission (RPO MRC) in the new 2017 XT5 and LaCrosse takes only a flick of the wrist. These two models feature the first application of Electronic Precision Shift, which is a … Continue reading

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Check Out the Service Information Technician Forum

A discussion with other technicians about diagnostic and repair information, GM service applications and other topics is a click away on the Service Information (SI) Technician Forum at www.service-gm-forum.com. A one-time registration is required.   The forum also can be … Continue reading

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2016 Technician Satisfaction Survey Coming Soon

The annual automotive industry Technician Satisfaction Survey will soon be taking place and technicians at all dealerships are encouraged to participate. Sponsored by GM and other automotive manufacturers, this year’s survey focuses on technician recruitment and retention in the dealership. … Continue reading

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UPDATE: Blu-ray Discs Not Playing

Certain Universal Studios Blu-ray discs released after October 2015 may not start playing when the Play icon is pressed on some 2013-2016 SRX, XTS; 2014-2015 LaCrosse; and 2015-2016 Escalade, Silverado, Tahoe, Sierra and Yukon models equipped with the Rear Seat … Continue reading

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Engine Wiring Harness Chafing Conditions

A number of conditions regarding engine performance and air conditioning operation on some 2016 Colorado and Canyon models may be due to the engine wiring harness rubbing on other components. These conditions may include the air conditioning blowing hot air, … Continue reading

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Crankshaft Rear Oil Seal Leak

Some 2016-2017 Encore and Cruze models equipped with the 1.4L engine (RPO LE2) and 2016-2017 Malibu and Volt models equipped with the 1.5L engine (RPO LFV, L3A) may have a leak at the crankshaft rear oil seal. Abnormal crankcase pressures … Continue reading

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Engineering Information Bulletins and Part Restrictions

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Service Know-How

10216.08V – Emerging Issues August 11, 2016   The latest service topics from Brand Quality and Engineering are reviewed, including information on the integrated trailer brake system on full-size trucks and how to remove the shift knob from a 2016-2017 … Continue reading

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Engine Concerns Resulting from Improper Service

Following the recommended vehicle maintenance schedule is critical to proper engine operation over the life of a vehicle. Performing the required maintenance procedures on all GM vehicles reduces the possibility of engine oil sludge build-up, contamination and/or any other conditions … Continue reading

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MDI 2 Available through GM Tools and Equipment

The GM MDI 2 (Fig. 8) released earlier this year is the next generation Global Diagnostic Interface tool for both current and future GM vehicles. It’s a compact communication module with increased processing power and security that manages the transfer … Continue reading

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Proper Shipping of Hybrid Transmission Returns

A number of 5ET50 electric variable automatic transmissions (RPO MKE) from 2016-2017 Volt and Malibu Hybrid models recently returned to GM have been damaged during shipping due to improperly securing the transmission in the shipping cocoon.   There is a … Continue reading

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Inoperative Sunroof and Sunshade

The sunroof glass (RPO C3U) and sunshade may be inoperative on some 2016 CT6 (Fig. 12), Malibu (VIN Z) and 2017 LaCrosse and XT5 models. DTCs B3664 (Sunroof Position Select Switch High Signal Circuit), B369B (Sunroof Sunshade Position Select Switch … Continue reading

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Part Identification for Next Generation Infotainment Components

The applications of some next generation infotainment components used on 2013-2016 ATS, SRX, XTS; 2014-2016 Regal, LaCrosse, CTS, ELR, Corvette, Impala Silverado LD, Sierra LD; 2015-2016 Escalade models, Colorado, Silverado, Tahoe, Suburban, Canyon, Sierra, Yukon models; 2016 Envision, CT6, Camaro, … Continue reading

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Adding an RKE Transmitter without SPS

Adding a new Remote Keyless Entry transmitter, or key fob, to a vehicle can be done without using the Service Programming System (SPS). In the past, this quick learn procedure required that one previously learned transmitter must be present.   … Continue reading

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Engineering Information Bulletins and Part Restrictions

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Service Know-How

A review of the latest service topics from Brand Quality and Engineering, including radio software updates and tips on adhesive parts installation and replacement, including moldings and emblems.   Fig. 22   To view Emerging Issues seminars: • Log in … Continue reading

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