Misfire Due To Collapsed Lifter – 2019-2021 Cadillac Chevrolet GMC

2021 Chevrolet Suburban

NHTSA ID Number: 10201288 Manufacturer Communication Number: PIP5776E   Summary This Preliminary information communicates that a vehicle may exhibit a misfire condition resulting in misfire codes P0300-P308. Upon diagnosis it may be discovered the lifter has come apart.  It is recommended to replace the lifter guide and the four lifters.   8 Affected Products Vehicles MAKE MODEL … Read more

Engine Wire Harness Chafing / IPC Gauges Sweep / IPC Warning Message / SES/Check Engine/MIL / No Start / No Crank / Runs Rough / Stalls / Reduced Engine Power / Various DTCs – 2019-2021 Cadillac Chevrolet GMC

2020 Chevrolet Silverado 1500

NHTSA ID Number: 10205552 Manufacturer Communication Number: 21NA149   Summary This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.   12 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2021 CADILLAC ESCALADE ESV 2021 CHEVROLET SILVERADO 1500 2019-2021 CHEVROLET SUBURBAN 2021 CHEVROLET TAHOE 2021 GMC SIERRA 1500 2019-2021 GMC YUKONRead more

SES MIL / Reduced Engine Power / Misfire / IPC Gauges Sweep / IPC Warning Message / Loss Communication / Various DTCs / Blown Fuse (Inspect Engine Harness 3.0L Diesel) – 2020-2021 Chevrolet Silverado & GMC Sierra 1500

2020 Chevrolet Silverado 1500

NHTSA ID Number: 10185738 Manufacturer Communication Number: PIT5751C   Summary This Preliminary information communicates and issue with the SES MIL on setting DTC’s P0201/P0202/P0203/P0204/P0205/P0206/P0216 and instructing dealership to inspect the engine wiring harness for damage.   8 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE ESV 2021 CHEVROLET SILVERADO 1500 2020-2021 CHEVROLET SUBURBAN 2021 CHEVROLET TAHOE 2021 GMCRead more

Information Assistance for HFV6 Re-Manufactured Engine Misfire Diagnosis – 2007-2020 Buick Cadillac Chevrolet GMC Pontiac Saturn

2019 Buick Enclave

NHTSA ID Number: 10178312 Manufacturer Communication Number: PIP5528E   Summary This Preliminary information communicates the repair recommendations for misfire and DTC’s immediately following HFV6 re-manufactured engines replacement.   147 Affected Products Vehicles MAKE MODEL YEAR BUICK ALLURE 2006-2009 BUICK ENCLAVE 2008-2020 BUICK LACROSSE 2007-2016 CADILLAC ATS 2013-2015 CADILLAC CTS 2007-2016 CADILLAC SRX 2007-2016 CADILLAC STS 2007-2011 CADILLAC XTS 2013-2019 … Read more

Ticking, Tap or Rattle Noise from Engine with Possible Misfire, Malfunction Indicator Lamp (MIL) Illuminated – DTCs P0300, P0301-P0306 and/or P0016-P0019 Set – 2016-2022 Buick Cadillac Chevrolet GMC Holden

2019 Chevrolet Colorado

NHTSA ID Number: 10205594 Manufacturer Communication Number: 21NA278   Summary This service bulletin provides diagnostic strategy information to aid in diagnosing a Ticking, Tap or Rattle Noise from Engine with Possible Misfire, Malfunction Indicator Lamp (MIL) Illuminated.     57 Affected Products Vehicles MAKE MODEL YEAR BUICK LACROSSE 2017-2019 BUICK REGAL 2018-2020 CADILLAC ATS 2016-2019 CADILLAC CT5 … Read more