Monthly Archives: November 2016

Topping Off Diesel Exhaust Fluid

Diesel Exhaust Fluid (DEF) is required to maintain normal vehicle operation and emissions compliance on 2010-2017 Express and Savana; 2011-2017 Silverado and Sierra 2500-3500 HD; 2014-2015, 2017 Cruze; and 2016-2017 Colorado and Canyon models equipped with a diesel engine (RPOs … Continue reading

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AutoStop Active during Low-Speed Maneuvers

The 2016-2017 ATS and CTS feature the Auto Engine Stop/Start (AutoStop) system (RPO KL9), which turns off the engine when the brakes are applied and the vehicle is at a complete stop (depending on operating conditions). When the brake pedal … Continue reading

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Multi-Media Interface Tester Tool Update

The Multi-Media Interface Tester (EL-50334-20) (Fig. 5), which can be used to verify auxiliary, USB and Bluetooth connectivity between a device and a GM infotainment system, has recently received several updates that are available through a new software download.   … Continue reading

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Avoid Turbocharger Damage during Service Work

When performing underhood service work on the 2016 Cascada, use care to avoid damage to any turbocharger components on the 1.6L engine (RPO LWC).   Recently, turbochargers returned under warranty have had damage to the wastegate actuator solenoid vacuum port … Continue reading

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Truck and Snow Plow Headlamp Flicker

When equipped with snow plow equipment (Fig. 8), the headlamps of the truck or snow plow may flicker or be inoperative on some 2014 Silverado 1500 and Sierra 1500 models and 2015-2017 Silverado and Sierra models. This condition may occur … Continue reading

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Service Know-How

10217.01V – Emerging Issues January 13, 2017   The latest service topics from Brand Quality and Engineering are reviewed, including highlights of the Rear Seat Reminder feature (Fig. 10) and how to update the software in several diagnostic tools.   … Continue reading

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The Bolt EV Charges Ahead in the Electric Vehicle Market

As the first long-range, affordable electric vehicle (EV) from an established automaker, the new Chevrolet Bolt EV (Fig. 1) is charged with bringing electrical propulsion to a whole new range of consumers. With a fully-charged high voltage battery, the Bolt … Continue reading

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Bolt EV Propulsion System

The propulsion of the Bolt EV (Fig. 5) is achieved by an electric drive transmission that transfers the energy from the high voltage battery pack to the front drive wheels.   Fig. 5   Drive Motor Battery System   The … Continue reading

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Charging the Bolt EV

There are three different charging levels that can be used to charge the Bolt EV. (Fig. 9)   Fig. 9   • AC Level 1 is plugging in to a typical 120V/12 amp home outlet using the provided portable charge … Continue reading

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Bolt EV Reprogramming

Several precautions should be taken before reprogramming various control modules on the 2017 Bolt EV.   TIP: Verify the battery voltage is more than 12.6 volts but less than 15.5 volts before proceeding with reprogramming. The 12V battery must be … Continue reading

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Engineering Information Bulletins and Part Restrictions

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