# 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.

- Type: Service bulletin
- NHTSA id: 10153572
- Published by NHTSA: 2019\-02\-25
- Manufacturer's number: 122\-H3B8Q\-12
- Manufacturer's date: 2018\-11\-16
- NHTSA component: SEAT 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10153572-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10153572-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Seat belts

## Vehicles listed

- 2019 PORSCHE CAYENNE

## Recalls for the same vehicles and component

- [2018583](/recalls/tc/2018583.md), 2018-10-25: Seats And Restraints
- [18V751000](/recalls/nhtsa/18V751000.md), 2018-10-24: SEAT BELTS:REAR/OTHER

## Other bulletins for the same vehicles and component

- [No. 10\-26](/bulletins/11030913.md), 2026-04-07, Service bulletin: SEAT BELTS. 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. D736](/bulletins/11024109.md), 2025-10-08, Service bulletin: SEAT BELTS. 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. 2116.3](/bulletins/10252433.md), 2024-04-02, Service bulletin: SEAT BELTS. Instructions on advanced technical information for the red warning on the instrument cluster. Occupant seat belt not fastened.
- [No. 2116.1](/bulletins/10210790.md), 2022-05-03, Service bulletin: SEATS; ELECTRICAL SYSTEM; SEAT BELTS. Instructions on advanced technical information for red warning in the instrument cluster \- occupant seat belt not fastened.
- [No. 2116](/bulletins/10199828.md), 2021-08-04, Service bulletin: SEAT BELTS. Advanced technical information for a red warning light in the instrument cluster for the seat belt not fastened.

JSON: [/v1/bulletins/10153572](/v1/bulletins/10153572)

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