Toyota TSB #T-TT-0516-18_Rev
2019 Toyota Avalon Hybrid
Affected Component: EQUIPMENT:ELECTRICAL
- TT: The microphone circuit passes through the DCM before reaching the radio/navigation system. To simplify the diagnosis of the microphone, Safety Connect SOS button lights, and DCM (Telematics transceiver) inoperative conditions, refer to the procedure below to prevent unnecessary parts replacement.