2022

Possible Crank No Start or Extended Crank with DTC P12A6 or Service Safety Restraints Message on DIC, with B0073 – 2018-2023 Chevrolet Holden GMC

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2023 Chevrolet Equinox

NHTSA ID Number: 10222667 Manufacturer Communication Number: 22-NA-170 Summary This bulletin offers Information on Possible Crank No Start or Extended Crank with DTC P12A6 or Service Safety Restraints message on DIC, with B0073.   Condition A customer may come in with a complaint of a no start, extended cranking time, a dead battery, a fuel pump that … Read more

Information on Excessive Diesel Exhaust Fluid (DEF) Usage – 2019-2023 Cadillac Chevrolet GMC

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Chevrolet GMC Cadillac

NHTSA ID Number: 10222782 Manufacturer Communication Number: 20-NA-082 Summary This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.   Condition Some customers may comment that excessive DEF is being used. Some technicians may find no codes set or messages on the DIC.   Information The current 2020 Silverado/Sierra … Read more

Excessive Wind Noise Heard Coming from Sunroof Front Edge Area, Front Length of Sunroof Window Inner Seal May Become Loose or Detached – 2022-2023 Chevrolet Bolt EUV

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2023 Chevrolet Bolt EUV

NHTSA ID Number: 10222840 Manufacturer Communication Number: 22-NA-197 Summary This service bulletin provides repair information to correct a customer concern of excessive wind noise heard coming from the sunroof front edge area, front length of sunroof window inner seal may become loose or detached.   Condition Some customers may comment on hearing excessive wind noise from the … Read more

Malfunction Indicator Lamp (MIL) Illuminated – DTC P026A Set – 2017-2023 Chevrolet Silverado & GMC Sierra

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2023 Chevrolet Silverado

NHTSA ID Number: 10222655 Manufacturer Communication Number: 18-NA-011 Summary Informational bulletin explaining how a plow may cause overheating and engine damage when traveling over 45 mph.   Condition Some customers may comment that the MIL is illuminated Some technicians may find DTC P026A set on vehicles with a snow plow installed.   Information Note: When a snow … Read more

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