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: 10224856 Manufacturer Communication Number: 21-NA-149 Summary This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.   Condition 1 This Condition pertains to vehicles equipped with engine 2.7L, L3B only. Some customers may comment on any of the following concerns: – SES MIL – No Start – No … Read 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

Rough Idle Crank No Start Extended Crank Or Misfire Due to Excessive Carbon On Top of the Valves or Sticking Valves – GM Passenger Cars & Trucks

2017 Chevrolet Suburban

NHTSA ID Number: 10176607 Manufacturer Communication Number: 16NA383 Summary This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.   1174 … Read more