2021-2023 BMW Connected Drive Voice Service Loss TSB
Owners of 2021-2023 BMW X1, X2, X3, X7, and M2 models may experience a loss of Connected Drive voice services like Concierge Call and BMW Assistance. This issue is linked to the 3G network shutdown and a production error in the ATM-1 and TCB-4G telematics control units.
Ahmet Topcu2022 BMW X3
Also applies to
- BMW M2
- 2021–2022
- BMW X1
- 2021–2022
- BMW X2
- 2021–2023
- BMW X3
- 2021
- BMW X7
- 2021–2023
Symptoms of Connected Drive Voice Service Loss
Owners of certain 2021-2023 BMW models, including the 2022 BMW X3, may notice that their Connected Drive voice services are no longer functional. This issue, as described in the 2022 BMW X3 manufacturer_communication, means specific services such as "Concierge Call," "BMW Assistance," and the "emergency call voice" component will be unavailable. This directly impacts the ability to use these integrated voice features within the vehicle.
What Causes the Connected Drive Voice Service Loss?
The root cause of this problem is the recent shutdown of the 3G cellular network in the United States. With 3G no longer available, all voice calls must now be routed through the 4G network using Voice over LTE (VoLTE) technology. For VoLTE to function correctly, the vehicle's SIM card needs to perform an IMS (IP Multimedia Subsystem) registration with the mobile network.
A production error led to certain telematics control units, specifically the ATM-1 and TCB-4G models, being delivered without the necessary IMS configuration. This oversight prevents these units from registering properly on the 4G network, thereby disabling the Connected Drive voice services in affected vehicles.
What Owners Should Know
It is important for owners to understand the specific limitations caused by this issue. While "Connected Drive voice services" are impacted, other critical functions remain operational.
- Voice control of the vehicle and all other telephone functions (such as those using paired mobile devices) are not affected. You can still use your vehicle's built-in voice commands and make calls via a connected smartphone.
- The emergency call location data is unaffected. In the event of an emergency, the vehicle's system will still transmit your location, even if the voice communication component is not working.
What to Do If Your BMW is Affected
If you own a 2021-2023 BMW, including a 2022 BMW X3, and are experiencing a loss of Connected Drive voice services, it is recommended to contact your authorized BMW dealer. The information from the 2022 BMW X3 manufacturer_communication indicates a production error that requires addressing the IMS configuration of the telematics control unit. Your dealer will be able to diagnose the specific issue and perform any necessary software updates or reconfigurations to restore full functionality.
Frequently Asked Questions
- Which BMW models are affected by the Connected Drive voice service loss?
- The issue primarily affects 2021-2023 BMW X1, X2, X3, X7, and M2 models equipped with ATM-1 and TCB-4G telematics control units.
- What specific Connected Drive services are not working due to this issue?
- The services affected include "Concierge Call," "BMW Assistance," and the voice component of the "emergency call voice" function.
- Is my BMW's emergency call system completely disabled?
- No, only the voice component of the emergency call is affected. The emergency call location data is still transmitted and remains fully functional.
- What is the cause of the Connected Drive voice service problem in my BMW?
- The problem stems from the 3G network shutdown. Affected telematics control units (ATM-1 and TCB-4G) have a production error preventing proper IMS registration for Voice over LTE (VoLTE) on the 4G network.
- What should I do if my 2022 BMW X3 has this Connected Drive issue?
- If your 2022 BMW X3 is experiencing this issue, you should contact your authorized BMW dealer. They can diagnose the problem and perform the necessary updates or reconfigurations to restore your Connected Drive voice services.
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