Cadillac

Whistle or Hoot/Woot Noise Heard from Under Vehicle in Cold Ambient Temperatures – 2019-2021 Cadillac XT4

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2021 Cadillac XT4

NHTSA ID Number: 10199264 Manufacturer Communication Number: 21NA090 Summary This service bulletin provides a repair procedure to correct a customer concern of Whistle or Hoot/Woot Noise Heard from Under Vehicle in Cold Ambient Temperatures.     3 Affected Products Vehicle MAKE MODEL YEAR CADILLAC XT4 2019-2021   Condition Some customers may comment on a “whistle” or “hoot/woot” … Read more

OnStar Voice Fallback Number Update – 2000-2015 Buick, Cadillac, Chevrolet, GMC, Pontiac

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2015 GMC Terrain

NHTSA ID Number: 10201115 Manufacturer Communication Number: 15-NA-079   Summary OnStar Voice Fallback Number Update     1735 Affected Products Vehicles MAKE MODEL YEAR BUICK ALLURE 2006-2009 BUICK CENTURY 2000-2005 BUICK ENCLAVE 2008-2015 BUICK ENCORE 2013-2015 BUICK LACROSSE 2005-2015 BUICK LESABRE 2000-2006, 2013 BUICK LUCERNE 2006-2012 BUICK PARK AVENUE 2000-2005 BUICK RAINIER 2003-2007 BUICK REGAL 2000-2005, 2008-2015 … Read more

Diagnostic Information on Engine Vibration – 2014-2021 Cadillac Chevrolet GMC

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2021 Chevrolet Camaro

NHTSA ID Number: 10198880 Manufacturer Communication Number: 21NA109   Summary This service bulletin provides diagnostic information for a customer concern of engine vibration.     92 Affected Products Vehicles MAKE MODEL YEAR CADILLAC CTS 2015-2019 CADILLAC ESCALADE 2015-2021 CADILLAC ESCALADE ESV 2015-2021 CHEVROLET CAMARO 2016-2021 CHEVROLET CORVETTE 2016-2019 CHEVROLET EXPRESS 2016, 2018-2021 CHEVROLET SILVERADO 1500 2014, 2017-2021 … Read more

Radio Software Version GB108.2 Update – 2020 Cadillac Chevrolet

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2020 Chevrolet Corvette

NHTSA ID Number: 10198886 Manufacturer Communication Number: 21NA117   Summary This service bulletin provides information and programming procedures for dealers/technicians on the release of Radio Software Update Version GB108.2 for vehicles equipped with Infotainment system RPO IOS or IOT, in addition to providing general robustness and stability enhancements.     3 Affected Products Vehicles MAKE MODEL YEAR … Read more

Vibration Type Noise Heard at Highway Speeds or with Engine Speed at 1,300-1,500 RPM – 2020-2021 Cadillac Chevrolet GMC

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2021 Cadillac XT6

NHTSA ID Number: 10198887 Manufacturer Communication Number: 21NA118   Summary This technical bulletin provides a procedure to align the exhaust causing a vibration.     8 Affected Products Vehicles MAKE MODEL YEAR CADILLAC XT5 2020-2021 CADILLAC XT6 2020-2021 CHEVROLET BLAZER 2020-2021 GMC ACADIA 2020-2021   Condition Some customers may comment on a vibration type noise at highway … Read more