Information on Engine Low Oil Pressure Indicator on the Driver Information Center (DIC) – DTC P0521 Set – 2019-2020 Chevrolet GMC

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2019 Chevrolet Suburban

NHTSA ID Number: 10198859 Manufacturer Communication Number: 20NA161   Summary This informational bulletin advises the technician to check for a possible stuck oil pressure relief valve.     8 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET 3500 2019 CHEVROLET EXPRESS 2019-2020 CHEVROLET SILVERADO 2500 2019 CHEVROLET SUBURBAN 2019 GMC SAVANA 2019-2020 GMC SIERRA 2500 2019   Condition … Read more

Possible Crank No Start or Extended Crank with DTC P12A6 – 2019-2021 Buick Cadillac Chevrolet GMC

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2021 Chevrolet Tahoe

NHTSA ID Number: 10198862 Manufacturer Communication Number: 20NA218   Summary This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.     32 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE GX 2020-2021 BUICK REGAL 2019-2020 CADILLAC CT5 2020 CADILLAC ESCALADE 2021 CADILLAC ESCALADE ESV … Read more

Rattle or Creak Noise Heard Coming From Driver Left Rear Quarter Panel Area When Driving Over Bumps – 2021 Chevrolet Trailblazer

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2021 Chevrolet Trailblazer

NHTSA ID Number: 10198864 Manufacturer Communication Number: 21NA017   Summary This technical bulletin provides repair information to correct a customer concern of a rattle or creak noise heard coming from driver left rear quarter panel area when driving over bumps.     1 Affected Product Vehicle MAKE MODEL YEAR CHEVROLET TRAILBLAZER 2021   Condition Some customers may … Read more

Loss of Power, Stalling Malfunction Indicator Lamp (MIL) Illuminated – DTC P129F Set – 2019-2020 Chevrolet Silverado & GMC Sierra

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2020 Chevrolet Silverado

NHTSA ID Number: 10199256 Manufacturer Communication Number: 21NA025 Summary This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers concern.   Condition One or more of the following conditions: Loss of power Stalling MIL illuminated DTC P129F (Fuel Pump Driver Control Module Fuel Pump Speed Signal Incorrect) set … Read more

Squeak, Rattle or Creak Noise Originating from Second Row Seat Area – 2019-2021 Buick Enclave & Chevrolet Traverse

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2021 Buick Enclave

NHTSA ID Number: 10199257 Manufacturer Communication Number: 21NA040 Summary This technical bulletin provides a procedure to repair a condition of Squeak, Rattle or Creak Noise Originating from Second Row Seat Area by following the procedure outlined within the bulletin.     Condition Squeak, rattle or creak noise coming from the second row seat area. This noise may … Read more