Diagnostic Tips

Information on Water or Ethylene Glycol in Transmission Fluid – 2019 and Prior GM Passenger Cars and Light Duty Trucks

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2019 Chevrolet Camaro

NHTSA ID Number: 10161968 Manufacturer Communication Number: 080730035D Summary This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.   746 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2016-2019 BUICK CENTURY 2005 BUICK ENCLAVE 2008-2019 BUICK ENCORE 2013-2019 BUICK ENVISION 2016-2019 BUICK LACROSSE 2005-2019 BUICK LESABRE 2005-2006 BUICK LUCERNE 2006-2012 … Read more

Service Side Detection System Message in DIC, DTC U0232, U0233 May Be Set – 2013-2014 Buick Chevrolet GMC

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2014 Buick Enclave

NHTSA ID Number: 10081969 Manufacturer Communication Number: 16-NA-178   Summary This Technical Bulletin Provides a Procedure To Replace The Side Blind Zone Module Harness And Both Modules To Correct a Customer Concern That The Service Side Detection System Message Is Displayed In The DIC Or DTC U0232, U0233 May Be Set Due To Water Intrusion.     … Read more

Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at a Steady State – 2015-2019 Cadillac Chevrolet GMC

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2018 Chevrolet Corvette

NHTSA ID Number: 10154635 Manufacturer Communication Number: 16NA175   Summary This technical bulletin provides a procedure to flush and drain fluids for the transmission to eliminate a shake and/or shudder during a light throttle acceleration between 40 and 128 KM/H (25 and 80 MPH) at a steady state. May be described as driving over rumble strips or … Read more

HVAC/Radio/IPC/Onstar Inoperative-Other Various Electrical Concerns – 2016-2019 Chevrolet Cruze

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2017 Chevrolet Cruze

NHTSA ID Number: 10161025 Manufacturer Communication Number: PIC6206C Summary This Preliminary Information communication provides information to the technician the step on diagnosing and repairing vehicles with inoperative Air conditioning, Instrument Cluster, OnStar, or other various electrical concerns. Technician may also find that fuses F35DA, F36DA, or the F37DA in the X51A Instrument Panel Fuse Block may not … Read more

Service Programming System (SPS) Errors (E4398, E4399, E4403, M4404 M4413, E4414, E4423 or E4491) – 2016 and Prior GM Passenger Cars and Light Duty Trucks

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General Motors

NHTSA ID Number: 10222841 Manufacturer Communication Number: PI0592G Summary This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).   Service Programming System (SPS) Errors Reference the specific SPS programming error (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or … Read more