# Service bulletin B840324

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: 11009005
- Published by NHTSA: 2024\-10\-19
- Manufacturer's number: B840324
- Manufacturer's date: 2024\-10\-12
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

The “End of life” or “Emergency call system error” Check Control message appears in the vehicle. The following fault memory entry is stored: B7F341 – Emergency battery: Hardware faulty

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11009005-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11009005-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2016 to 2022 BMW X1

## Other bulletins for the same vehicles and component

- [B840226](/bulletins/11035408.md), 2026-07-31, Service campaign: ELECTRICAL SYSTEM. Once the Telematics Module \(TCB2\) enters sleep mode, a BMW Data Services trigger for Remote Services\(remote engine start, lock/unlock/climate conditioning\) will not be able to reactivate the TCB2. Due to this issue, Remote Services will not function in the vehicle when parked and locked.
- [B651825](/bulletins/11021819.md), 2025-08-13, Service bulletin: ELECTRICAL SYSTEM. When the alarm system is activated and doors are locked, within a short period the doors will unlock, and a “double beep” acoustic confirmation is heard from vehicle.
- [B120425](/bulletins/11019554.md), 2025-06-17, Emissions: ELECTRICAL SYSTEM. EMISSIONS RECALL 25E\-A02: PROGRAM CONTROL UNITS
- [B120425](/bulletins/11017273.md), 2025-04-28, Service campaign: ELECTRICAL SYSTEM. As a result of a data input error, certain fault memories are permanently stored. The permanent storage offault memories does not comply with the legal specifications of the authority \(California Air Resources Board– CARB\). The fault has no effect on the use of the vehicle by the customer.
- [B011924](/bulletins/11013038.md), 2025-01-23, Warranty extension: ELECTRICAL SYSTEM. The Telematics Control Units \(TCU\) Internal Emergency \(Backup\) Battery for defects in materials and/or workmanship has been extended to 6 years without mileage limitation, as determined from the vehicles original first in\-service / delivery date. This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusions that apply to the BMW New Vehicle Limited Warranty.
- [B01192024](/bulletins/11012113.md), 2025-01-02, Warranty extension: ELECTRICAL SYSTEM. The Telematics Control Units \(TCU\) Internal Emergency \(Backup\) Battery for defects in materials and/or workmanship has been extended to 6 years without mileage limitation, as determined from the vehicles original first in\-service / delivery date.
- [B613024](/bulletins/11012092.md), 2024-12-31, Service campaign: ELECTRICAL SYSTEM. Due to a software error in the Basic Central Platform \(BCP\), Remote Software Upgrade \(RSU\) is no longerpossible.
- [B651024](/bulletins/11002657.md), 2024-07-01, Service campaign: ELECTRICAL SYSTEM. Quality improvements and robustness measures are to be implemented on the affected vehicles via thissoftware update. The software update improves functions in the following areas of the vehicle: Bluetooth malfunctions The start\-up phase of the head unit \(HU\) has been shortened \(faster start of the operating system\) The number of disconnections from Apple CarPlay have been reduced Vehicle access and the drive\-ready state have been improved The AC charging abort error has been fixed Remote Control Parking without function
- [B651024](/bulletins/11000533.md), 2024-05-29, Service campaign: ELECTRICAL SYSTEM. Quality improvements and robustness measures are to be implemented on the affected vehicles via thissoftware update. The software update improves functions in the following areas of the vehicle: Bluetooth malfunctions The start\-up phase of the head unit \(HU\) has been shortened \(faster start of the operating system\) The number of disconnections from Apple CarPlay have been reduced Vehicle access and the drive\-ready state have been improved The AC charging abort error has been fixed Remote Control Parking without function
- [B511024](/bulletins/10253346.md), 2024-05-03, Service bulletin: ELECTRICAL SYSTEM. The tailgate sporadically fails to open when signaled via\- The interior button \(driver’s door panel\) Button on key fob The switch on the tailgate \(inside or outside\) In some cases, the tailgate will release and open only a short distance before stopping.

JSON: [/v1/bulletins/11009005](/v1/bulletins/11009005)

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