Information on 9TH Gear Operation – 2018-2023 Buick Cadillac Chevrolet GMC

Chevrolet Buick GMC Cadillac

NHTSA ID Number: 10219391 Manufacturer Communication Number: 21-NA-181 Summary This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.   Condition Some customers may comment that the transmission doesn’t shift into 9th gear or maintain 9th gear operation to customer expectations.   Information The GM 9-speed transmission does …

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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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Vehicle Option Retrofits Due to The Chip Shortage – 2022 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10224280 Manufacturer Communication Number: PIT5942 Summary This preliminary information discusses Information On Vehicle Option Retrofits Due to The Chip Shortage.   Condition:  Cannot complete or program component retrofit.   Cause: Retrofit for your particular vehicle may not be released yet.   Correction: TAC is receiving calls for assistance on retrofits not yet released . The …

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Information On Vehicles Built With Heated And Vented Seats Disabled / Heated Steering Wheel Disabled / Front Rear Park Assist Disabled / Wheel Well Liners / Column Lock / Rocker Protectors / Express Up Rear Windows – 2022 Buick Cadillac Chevrolet GMC

Chevrolet Buick GMC Cadillac

NHTSA ID Number: 10224283 Manufacturer Communication Number: PIT5883E Summary This Preliminary information communicates vehicles being built without certain options due to a parts shortage.   Condition This is an informational PI to bring awareness to certain vehicle options being disabled. Please be aware that some vehicles, identified by an RPO code, are built with the following option(s) …

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Rear View Camera Coaxial Related Issues-B395A – B395B – B395C – B101E – B101D – 2019-2022 Buick Cadillac Chevrolet GMC

Chevrolet Buick GMC Cadillac

NHTSA ID Number: 10216358 Manufacturer Communication Number: PIT5921 Summary This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered.   Condition Some customers may comment on seeing a black screen and a triangle icon on the radio display when in reverse. Technicians may find one or more of the following DTC’s B395A, …

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