# Service campaign B640824

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 campaign
- NHTSA id: 11005239
- Published by NHTSA: 2024\-07\-25
- Manufacturer's number: B640824
- Manufacturer's date: 2024\-07\-24
- Campaign id or software version: 0064320200
- NHTSA component: VISIBILITY/WIPER

## NHTSA's summary

A software error in the automatic air conditioning control unit allows the electric auxiliary heater to keep the heating and air conditioning system awake, causing a drain on the electrical system.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11005239-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11005239-9999.pdf)

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

## Components

Glass, wipers and mirrors, Wipers and washers

## Vehicles listed

- 2023 to 2024 BMW XM

## Other bulletins for the same vehicles and component

- [B061826](/bulletins/11029019.md), 2026-02-25, Other: VISIBILITY/WIPER. Mirror Seal Return

JSON: [/v1/bulletins/11005239](/v1/bulletins/11005239)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20campaign%20B640824&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11005239&vehicle=Service%20campaign%20B640824)