Acura TSB #B21-029
2020 Acura RDX
Affected Component: ELECTRICAL SYSTEM
- Summary
- Service Bulletin - By February of 2022, the current 3G network the vehicle connects to for services, will no longer be in-service. The Telematics Control Unit (TCU) Over the Air Update (OTA) is required to connect to the VoLTE network to continue communications.