Rear View Camera Display Gridlines Dim – 2021-2023 Buick Cadillac Chevrolet GMC

Chevrolet Buick GMC Cadillac

NHTSA ID Number: 10226379 Manufacturer Communication Number: PIT5940A Summary This Preliminary information communicates that a customer may notice that the gridlines on the backup camera are very dim. They may mention that this occurred after an OTA update. The dealer technician is advised to perform no repairs. The technician is advised that engineering is looking into a …

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Whine Noise Heard From Engine Area Most Noticeable Off Idle – 2022-2023 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10226381 Manufacturer Communication Number: PIP5887 Summary This Preliminary information communicates the possibility of a normal balance shaft gear whine noise to exist in the engine and is normally most audible at or above 1500rpm. This noise does not create any reliabilty or durability issues with the engine.   Condition: Whine noise heard from engine area most …

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LM2 Diesel with a Rear Main Oil Leak with or without DTC P06DD Set – 2020-2023 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10222664 Manufacturer Communication Number: 22-NA-022 Summary This Informational bulletin advises the technician of a possible oil leak at the front cover and how to diagnose it to verify if it is coming from the seal or not.   Condition Some customers may comment on a oil leak. The technician may find DTC P06DD set. …

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N222393410 Half Shaft Separation From Transmission – 2023 Cadillac XT5 & GMC Acadia

Cadillac GMC

February 2, 2023 NHTSA CAMPAIGN NUMBER: 23V043000 Half-Shaft May Separate from Transmission Separation between the half-shaft and transmission can result in a loss of drive power or vehicle rollaway when the vehicle is placed in park. Either of these scenarios can increase the risk of a crash.   NHTSA Campaign Number: 23V043 Manufacturer General Motors, LLC Components POWER TRAIN …

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

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 …

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