# Service bulletin B520425

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: 11015841
- Published by NHTSA: 2025\-03\-21
- Manufacturer's number: B520425
- Manufacturer's date: 2025\-03\-19
- NHTSA component: SEATS

## NHTSA's summary

Customer states he/she sees a check control message for the rear seat not being locked. The following fault codes stored in the air bag ACSM6 control module: 930C19 \- Backrest Sensor right 2nd seat row: open circuit 930D76 \- Function rear restraint system restricted

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11015841-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11015841-9999.pdf)

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

## Components

Seats

## Vehicles listed

- 2024 to 2025 BMW X2

## Recalls for the same vehicles and component

- [2025487](/recalls/tc/2025487.md), 2025-09-17: Seats And Restraints

## Other bulletins for the same vehicles and component

- [B520120](/bulletins/11034458.md), 2026-07-03, Service bulletin: SEATS. When getting in or out of the vehicle, a groaning noise can be heard from the opening \(aperture\) in the seat backrest. The noise may be heard from one or both of the front seats.
- [B521225](/bulletins/11023249.md), 2025-09-22, Service bulletin: SEATS. A clicking noise can be heard from one or both front seat backrests. This noise is heard when leaning against the backrest of the seat or while the vehicle is cornering.

JSON: [/v1/bulletins/11015841](/v1/bulletins/11015841)

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