Unwanted Content Theft Alarm Sounds – 2015-2019 Cadillac Chevrolet & GMC

2019 Cadillac Escalade

NHTSA ID Number: 10156946 Manufacturer Communication Number: PIT5379E   Summary This Preliminary Information communication provides information to the technician about vehicles that may have a content theft alarm sounding for no apparent reason. Technician may use all published Service Information diagnostics and has not found the cause of the unwanted content theft alarm sounding. Technician should use … Read more

Diagnostic Tip – Additional Brake Pedal Effort – 2014-2019 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10145479 Manufacturer Communication Number: PIT5361D Summary This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have issues were the customer will need increased effort to depress the brake pedal. Technician may find fluid in the brake booster and/or the booster vacuum line. Technician will … Read more

BCM DTC B101D SYM F0 Set with No Other Symptoms – 2015 Cadillac Chevrolet GMC

2015 Chevrolet Corvette

NHTSA ID Number: 10135382 Manufacturer Communication Number: PI1435   Summary This preliminary informational bulletin provides technicians a diagnostic tip for BCM DTC B101D SYM F0 set with no other symptoms. 15 Affected Products Vehicles CADILLAC ATS 2015 CADILLAC CTS 2015 CADILLAC ESCALADE 2015 CADILLAC ESCALADE ESV 2015 CADILLAC XTS 2015 CHEVROLET CORVETTE 2015 CHEVROLET IMPALA 2015 CHEVROLET … 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