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Service bulletin 122-H3B8Q-12

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 id10153572
Published by NHTSA2019-02-25
Manufacturer's number122-H3B8Q-12
Manufacturer's date2018-11-16
NHTSA componentSEAT BELTS

NHTSA's summary

Information: Seat-belt buckles that do not meet the required specifications were installed for the right rear seat on the affected vehicles. As a result, the required restraint function cannot be guaranteed in the event of a head-on collision. Remedial Action: Replace right rear seat-belt buckle.

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

Seat belts

Vehicles listed
PORSCHE CAYENNE2019

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

Recalls for the same vehicles and component
20185832018-10-25. Seats And Restraints
18V7510002018-10-24. SEAT BELTS:REAR/OTHER

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
No. 10-262026-04-07. Service bulletin. Symptom based workshop manual involving the Belt Lock Warning on Driver's Side Permanently Active in Conjunction with Fault Memory Entry with Regard to Belt Lock Switch "B101C07". The vehicles affected are listed in the attached PDF.
No. D7362025-10-08. Service bulletin. Parts information for parts withdrawal involving the belt latch - part numbers 992857756E & 992857755D. The vehicles affected are cars that use the part numbers mentioned
No. 2116.32024-04-02. Service bulletin. Instructions on advanced technical information for the red warning on the instrument cluster. Occupant seat belt not fastened.
No. 2116.12022-05-03. Service bulletin. Instructions on advanced technical information for red warning in the instrument cluster - occupant seat belt not fastened.
No. 21162021-08-04. Service bulletin. Advanced technical information for a red warning light in the instrument cluster for the seat belt not fastened.