P0300

Identify Engine Misfiring and/or Malfunction Indicator Lamp (MIL) Illuminated – DTC P0300 Setting – 2017-2023 Chevrolet Silverado & GMC Sierra

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2023 Chevrolet Silverado

NHTSA ID Number: 10222659 Manufacturer Communication Number: 19-NA-187 Summary This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.   Condition Some customers may comment on one or more of the following conditions: MIL illuminated Engine misfire Some technicians may find DTC P0300 set in the Engine Control Module (ECM). … Read more

P0300 Setting After Bulletin 21-NA-154 Was Performed – 2021 Chevrolet Silverado & GMC Sierra

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2021 Chevrolet Silverado

NHTSA ID Number: 10202406 Manufacturer Communication Number: PIP5816A Summary This Preliminary information communicates    A customer vehicle may have a concern of a P0300 setting after bulletin 21-NA-154 has been performed. Unknown Engineering is looking it to this concern   Condition A customer vehicle may have a concern of a P0300 setting after bulletin 21-NA-154 has been performed.   … Read more

DTC P0300 Engine Misfire Detected Not Felt – 2020-2021 Chevrolet Silverado & GMC Sierra 1500

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2021 Chevrolet Silverado 1500

NHTSA ID Number: 10201300 Manufacturer Communication Number: PIP5809A Summary This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off. During inspection Technician may notice DTC P0300 (Engine Misfire Detected) active or stored in history. Customers may also comment that the check engine light was flashing while driving up … Read more

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

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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

Malfunction Indicator Lamp Illuminated On Driver Information Center (DIC) with DTC P0300 and/or P0299/P2227 Set – 2016-2020 Buick Envision

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2020 Buick Envision

NHTSA ID Number: 10192039 Manufacturer Communication Number: 21NA074   Summary This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227.     5 Affected Products Vehicle MAKE MODEL YEAR BUICK ENVISION 2016-2020   Condition Some customers … Read more