Program ECM Error E4491/E4423 – 2016-2019 All GM Passenger Cars and Light Duty Trucks

2017 Chevrolet Camaro

NHTSA ID Number: 10143429 Manufacturer Communication Number: PIP5373B Summary This Preliminary Information communication provides the technician with steps on how to program an Engine Control Module when getting a Service Programming System error code E4491 or E4423. In some cases Techline Customer Support Center may need to be contacted to resolve the issue.   144 Affected Products … Read more

Poor Fuel Economy – 2010-2017 Chevrolet Equinox & GMC Terrain

2017 Chevrolet Equinox

NHTSA ID Number: 10099473 Manufacturer Communication Number: PIP5244B Summary THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE POOR FUEL ECONOMY. DEALER SHOULD OBTAIN A DETAILED DESCRIPTION OF OUR CUSTOMER’S DRIVING HABITS ON A DAILY BASIS, SUCH AS MILES DRIVEN, ROADS TAKEN, AND SPEEDS DRIVEN. TECHNICIAN SHOULD PERFORM AN INITIAL FUEL ECONOMY EVALUATION … Read more

Steering Shudder (Vibration) During Slow Speed Maneuvers – 2010-2017 Chevrolet Equinox & GMC Terrain

2017 Chevrolet Equinox

NHTSA ID Number: 10078483 Manufacturer Communication Number: PI-0814-E   Summary THIS PRELIMINARY INFORMATION BULLETIN PROVIDES A PROCEDURE TO REPLACE CERTAIN COMPONENTS TO CORRECT A CUSTOMER CONCERN OF A STEERING VIBRATION, FELT THROUGH THE STEERING WHEEL AND VEHICLE STRUCTURE, COMBINED WITH A MOAN TYPE NOISE DUE TO ENGINE FIRING PULSATIONS BEING TRANSMITTED INTO THE STEERING SYSTEM.   14 … Read more

Clunk Or Pop Type Noise From Power Lift-Gate Assembly At Full Open Position – 2007-2017 Buick Chevrolet GMC Saturn

2017 Buick Enclave

NHTSA ID Number: 10126979 Manufacturer Communication Number: PIT5246E Summary This Preliminary Information communication advises the technician to replace the right hand lift-gate strut on 2007-2016 GMC Acadia and 2007-2010 Saturn Outlook if a clunk or pop is heard. If the vehicle is an 2008-2016 Buick Enclave and 2009-2016 Chevrolet Traverse and If the struts are not weak … Read more

Loss Of Rear Trim Height Over Time and Temperature Change – 2013-2019 Cadillac XTS

2019 Cadillac XTS

NHTSA ID Number: 10160994 Manufacturer Communication Number: PIC5815D Summary This Preliminary Information communication provides information to the technician about vehicles that may have sit lower at being parked for several days. It is important to note that, under normal conditions, it is typical and acceptable for the air suspension system to drop slightly over time. Dealers can … Read more