Diagnostic Tips

Service Engine Soon Light/Message with DTCs P1967 or P1968 in the TCM – 2020 Chevrolet Corvette

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2020 Chevrolet Corvette

NHTSA ID Number: 10184093 Manufacturer Communication Number: PIP5757A   Summary This Preliminary information communicates an anomaly in the transmission control module to erroneously set diagnostic trouble codes.   SEOCONTENT-START Bulletin No.: PIP5757A Published date: 11/2/2020 Preliminary Information PIP5757A Service Engine Soon Light/Message with DTCs P1967 or P1968 in the TCM Models Brand: Model: Model Years: VIN: Engine: … Read more

Black Screen in Reverse with Red Triangle and Red Camera with A Circle and Slash Through It – 2020-2021 Cadillac GMC Holden

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General Motors

NHTSA ID Number: 10199259 Manufacturer Communication Number: 21NA048 Summary This technical bulletin provides repair information to correct a customer concern of seeing a black screen in reverse.     Condition Some customers may comment on seeing a black screen with red triangle and red camera with a circle and slash through It when vehicle is in Reverse. … Read more

Radio Resets Or Reboots And Then Displays myBrand Splash Animation – 2019-2021 Cadillac Chevrolet GMC

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2020 Cadillac CT6

NHTSA ID Number: 10202398 Manufacturer Communication Number: PIT5790C   Summary This Preliminary information communicates a concern where the radio will reboot when adjusting the volume intermittently and that engineering is investigating.     Condition Some customers may comment that at times, usually when changing the radio volume with the volume knob or steering wheel controls, that the … Read more

Radio Displays Message: Sirius XM Connection Unavailable – Please Call OnStar Agent – 2021 Buick Cadillac Chevrolet GMC

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Chevrolet Buick GMC Cadillac

NHTSA ID Number: 10184098 Manufacturer Communication Number: PIT5791 Summary This Preliminary information communicates a condition where the radio may display a “Connection not available, please call OnStar agent”. This bulletin advises that Engineering is working on a software solution that will prevent the message from displaying when listening to non-SXM sources, but still allow the message to … Read more

Trailering App Non-Functional – Radio Display Is Blank When App is Opened – 2020 Chevrolet Silverado & GMC Sierra

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2020 Chevrolet Silverado

NHTSA ID Number: 10184099 Manufacturer Communication Number: PIT5792   Summary This Preliminary information communicates a condition where the trailering app cannot be opened and provides a process for clearing the cache and personal data so the application will operate as designed.     2 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 2500 2020 GMC SIERRA 2500 … Read more