14395 Customer Satisfaction – OnStar Module Battery Drain – 2015 Buick Cadillac Chevrolet GMC

2015 Chevrolet Corvette

NHTSA ID Number: 10081066 Manufacturer Communication Number: G-204563   Summary 14395 – CUSTOMER SATISFACTION. ON SOME VEHICLES, A PERFORMANCE ISSUE WITH THE ONSTAR® MODULE MIGHT IMPACT THE VEHICLE’S BATTERY LIFE. THIS CAN CAUSE A DEAD BATTERY IF THE VEHICLE IS NOT STARTED FOR APPROXIMATELY 4 DAYS. THIS CONDITION CAN OCCUR EVEN IF THE ONSTAR® SYSTEM IS NOT … Read more

Transport Mode On Message Displayed in DIC and/or Battery Light is Flashing – Buick Cadillac Chevrolet GMC

2019 Chevrolet Camaro

NHTSA ID Number: 10137386 Manufacturer Communication Number: 110849001W   Summary This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off.     170 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2016-2018 BUICK ENCORE … Read more

False Code B124B sym04 Set Current in HMI Module with No Other Concerns Observed – 2014-2015 Buick Chevrolet GMC

2015 Chevrolet Colorado

NHTSA ID Number: 10114482 Manufacturer Communication Number: PIC5910C   Summary This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B124B sym 04 in the HMI module. Technician should check the USB port operations if no issue found it should be considered a false code and no components should be … Read more

GM of Canada OnStar Cellular Communication Upgrade – 2000-2015 GM Passenger Car and Light Duty Trucks

2015 Buick Enclave

NHTSA ID Number: 10166666 Manufacturer Communication Number: 150844001J   Summary This informational bulletin provides information for the GM of Canada OnStar Cellular Communication Upgrade to 3G/4G LTE for vehicles that may need an upgrade.     671 Affected Products Vehicles MAKE MODEL YEAR BUICK CENTURY 2000, 2004-2005 BUICK ENCLAVE 2008-2015 BUICK ENCORE 2013-2014 BUICK LACROSSE 2005-2014 BUICK … Read more

HD Radio Signal Cuts In and Out, Skips, or Drops Out – 2013-2015 Buick Cadillac Chevrolet & GMC

2015 Chevrolet Silverado

NHTSA ID Number: 10114387 Manufacturer Communication Number: PIC5854D   Summary This Preliminary Information communication provides information to the technician about vehicles that may have a the AM or FM audio volume changes, mutes, echoes, cuts in and out, repeats broadcast content, or skips intermittently. Advise this is normal operation when listening to a weak AM or FM … Read more