Monthly Archives: January 2016

The New 2016 Chevrolet Volt Takes Charge

The 2016 Chevrolet Volt is a 4-door, 5-passenger hatchback (Fig. 1), offered in LT and Premier models, with an electric range that has increased to 53 miles — a nearly 40 percent increase over the first-generation model. A 1.5L range-extending … Continue reading

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New Volt Propulsion System

The all-new Voltec extended-range electric vehicle (EREV) propulsion system in the new Volt is even more efficient for 2016, providing greater EV range (up to 53 miles on electricity), improved fuel economy and stronger acceleration than the previous generation.   … Continue reading

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2016 Volt High-Voltage Connectors

When attempting to remove or connect high-voltage connectors on the 2016 Volt, use care to avoid breaking any part of the connectors, which can be difficult to operate and prone to damage, if not handled properly.   For example, the … Continue reading

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Twin Turbocharged V6 Engine Sounds

A noise condition may be heard on some 2014-2016 Cadillac models equipped with the twin turbocharged V6 engine (RPO LF3, LF4).   Cold Start Rattle Sound at Idle   On some 2014-2016 CTS-V Sport and XTS models equipped with the … Continue reading

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Proper Battery Fuse Block Cover Removal

The battery fuse block cover assembly may be difficult to remove on 2015-2016 Colorado and Canyon models. If the cover is opened incorrectly, the hinge or latch may break.   To properly remove the battery fuse cover:   1. Unlock … Continue reading

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Fastener Appearance under the Hood

The two fasteners located on either side of the hood latch (Fig. 21) on the 2016 Camaro may appear to be loose. Upon inspection, these fasteners clearly show a gap between the head of the fastener and the plastic trim … Continue reading

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Poor Ground Connection at G110

On some 2009-2015 CTS-V models, several intermittent conditions may be present, including a Service Power Steering message, reduced power steering assist, and illuminated ABS, traction control and electronic stability control (StabiliTrak) warning lamps on the instrument cluster.   In addition, … Continue reading

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DTCs Set after Turbocharger Replacement

After installing a remanufactured turbocharger on a 2006-2010 Express, Kodiak, Silverado, Savana, TopKick or Sierra equipped with a 6.6L diesel engine (RPO LBZ, LLY or LMM), a Check Engine MIL and DTCs P003A (Turbocharger Boost Control Position Not Learned) and/or … Continue reading

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The Next Generation Multiple Diagnostic Interface – The MDI 2

The next generation of the J2534 GM Multiple Diagnostic Interface, or MDI 2 (Fig. 1, right), offers increased processing power and security than the original MDI (Fig. 1, left) for faster programming speeds on current Global A vehicles as well … Continue reading

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Switching to the MDI 2 on Your Computer

Switching from the MDI to the MDI 2 on your computer can be done easily by changing the Device Type on the PC. There are two different GDS 2 locations to change the Device Type — the Home screen (under … Continue reading

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MDI and MDI 2 DLC Cable Self-Test Adapter

A DLC Cable Self-Test Loopback Adapter (EL-47955-1) (Fig. 12) was sent to dealerships as an essential tool in December. The adapter is used to test the DLC cable for open wires when used with the MDI Manager software.   The … Continue reading

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TOP TIER Detergent Gasoline Update

TOP TIER Detergent Gasoline contains 2–3 times more detergent than the U.S. Environmental Protection Agency (EPA) and Canadian General Standards Board (CGSB) minimum requirement. TOP TIER gasoline was developed to meet the detergent standards set by General Motors, BMW, Honda, … Continue reading

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UPDATE: No Start, Loss of Communication Conditions

Some 2015-2016 Colorado and Canyon models may have a condition of no crank/start, loss of communication, engine stall or an illuminated Service Engine Soon lamp with possible Driver Information Center messages. If any of these conditions are present, inspect the … Continue reading

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Connector Corrosion Conditions

Some 2010-2012 LaCrosse and 2011-2012 Regal models may have possible corrosion and/or water and dirt intrusion at connector X403 (LaCrosse) or X350 (Regal), resulting in an intermittent Service Engine Soon lamp and possible engine stalling while driving.   Remove the … Continue reading

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Loss of Power Steering Assist

A loss of power steering assist may occur on some 2015–2016 Colorado and Canyon models. A Service Power Steering message may be displayed on the Driver Information Center and data communication DTCs U0073 (Control Module Communication Bus Off), U0102 (Lost … Continue reading

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Backup Camera Display after Shifting out of Reverse

Drivers of some 2015-2016 Colorado and Canyon models equipped with radio RPO IO3 may notice that the Rear Vision Camera (backup camera) image (Fig. 23) may remain on in the radio display for a few seconds after shifting out of … Continue reading

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Service Know-How

10216.01V – Emerging Issues January 14, 2016   To view Emerging Issues seminars: • Log in to www.centerlearning.com –   Select Resources > Service Know-How/TECHAssist > Emerging Issues > Searchable Streaming Video; or –   Select Catalog to search for the course … Continue reading

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Bulletin Review – December 2015

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