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Service bulletin PIC6425A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10185751
Published by NHTSA2021-01-25
Manufacturer's numberPIC6425A
Manufacturer's date2020-12-23
NHTSA componentBACK OVER PREVENTION:SOFTWARE

NHTSA's summary

This Preliminary information communicates A list of software concerns and advises that engineering is working on a resolution. This PI will be changed to a bulletin once the Software is released.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Driver assistance, Backup camera

Vehicles listed
BUICK ENCORE GX2021
BUICK ENVISION2021
CADILLAC XT42021
CADILLAC XT52021
CADILLAC XT62021
CHEVROLET BLAZER2021
CHEVROLET CAMARO2021
CHEVROLET CORVETTE2021
CHEVROLET MALIBU2021
CHEVROLET SILVERADO 15002021 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TRAILBLAZER2021
GMC ACADIA2021
GMC SIERRA 15002021 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
22V7090002022-09-22. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
22-NA-0682025-02-28. Service bulletin. This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs.
PIT5697D2024-12-09. Service bulletin. This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
PIT5386J2024-01-29. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
PIP5847B2023-12-18. Service bulletin. This Preliminary information communicates the possibility of a misfire or rough running concern and abnormal engine noise due to excessive wear in exhaust roller follower axle pin.
PIT5931C2023-12-04. Service bulletin. This Preliminary information communicates that a vehicle may be encountered with a clunk or rattle from the front of the vehicle. The dealer technician is instructed to remove the cradle brace and see if the noise is gone. If the noise is gone with the brace removed the tech is instructed to reinstall the brace and torque it to specification.
PIT5931B2023-12-04. Service bulletin. This Preliminary information communicates that a vehicle may be encountered with a clunk or rattle from the front of the vehicle. The dealer technician is instructed to remove the cradle brace and see if the noise is gone. If the noise is gone with the brace removed the tech is instructed to reinstall the brace and torque it to specification.
PIP5847A2023-09-18. Service bulletin. This Preliminary information communicates the possibility of a misfire or rough running concern and abnormal engine noise due to excessive wear in exhaust roller follower axle pin.
PIP5395G2023-08-21. Service bulletin. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. The noise may also sound like a lifter tick. If the noise is heard best at the fuel line and the sound will be real loud with a stethoscope. The fuel line will need to be replaced.
PIT5990A2023-08-21. Service bulletin. This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl.
PIT5697C2023-07-17. Service bulletin. This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."