2021

Malfunction Indicator Lamp (MIL) Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set – 2000-2022 GM Passenger Cars and Trucks

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Chevrolet Buick GMC Cadillac

NHTSA ID Number: 10219266 Manufacturer Communication Number: 20-NA-065 Summary This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set.   Condition Some customers may comment that the MIL is illuminated. Technicians may find one or … Read more

Malfunction Indicator Lamp (MIL) Illuminated with DTC P2251 and/or DTC P2254 Set – 2020-2022 Cadillac Chevrolet

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Cadillac & Chevrolet

NHTSA ID Number: 10222797 Manufacturer Communication Number: 22-NA-019 Summary This service bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P2251 and/or DTC P2254 Set.   Condition Some customers may comment on a MIL illuminated in the driver information center (DIC). Technicians may find DTC P2251 (Heated Oxygen Sensor … Read more

A/C Compressor Normal Noise and Vibration – 2019-2022 Chevrolet Colorado

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2022 Chevrolet Colorado

NHTSA ID Number: 10222800 Manufacturer Communication Number: 22-NA-154 Summary This informational bulletin is for Korea to see normal operation of A/C compressor.   Condition Some customers may comment on the following: A/C compressor may intermittently exhibit higher than usual levels of noise and vibration Occasionally a booming sound may be heard between 1500 to 2000 engine RPM … Read more

Non-Operating Remote Start with DTCs P31DB/P31E8 Set – 2021-2022 Chevrolet Corvette

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2022 Chevrolet Corvette

NHTSA ID Number: 10222833 Manufacturer Communication Number: 22-NA-189 Summary This service bulletin provides repair information to correct a customer concern of Non-Operating Remote Start with DTCs P31DB/P31E8 Set.   Condition Some customers may comment on remote start being disabled or inoperative. Technicians may find DTCs P31DB and/or P31E8 set current or in recent history.   Cause The … Read more

Rear Hatch Liftgate Window Glass Inoperative – 2021-2022 Cadillac Chevrolet GMC

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Chevrolet GMC Cadillac

NHTSA ID Number: 10222834 Manufacturer Communication Number: 22-NA-190 Summary This technical bulletin provides repair information to correct a customer concern of Rear Hatch Liftgate Window Glass Inoperative.   Condition Some customers may experience the switch on the vehicle to open the rear hatch window glass may be inoperative, the key fob switch will continue to work.   … Read more