Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Safety Connect System

DTC No.	Detection Item	Link
B1536	Short in Telephone SUB Antenna Circuit
B1537	Open in Telephone SUB Antenna Circuit
B1570	Manual (SOS) Switch Red Indicator Malfunction
B1571	Manual (SOS) Switch Green Indicator Malfunction
B1572	Telephone Microphone Error
B1573	Short in Telephone Antenna Circuit
B15A8	Telematics Transceiver Malfunction
B15C0	Short in GPS Antenna
B15C1	Open in GPS Antenna
B15C4	Airbag Signal Malfunction/Not Input
B15C5	Manual Button Malfunction
B15CB	Telematics Transceiver Antenna Disconnected
B15CC	Backup Battery Failure
B15EC	Backup Battery Degradation

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Safety Connect System(for Gasoline Model): Acn Call End
ACN CALL END ACN CALL END This function terminates the ACN (Automatic Collision Notification) to the telematics provider. After a collision in which the DCM receives "Collision Detection Signal", the vehicle will send the emergency call notification to the telematics provider until the ACN call end ...

Toyota Avalon (XX50) 2019-2022 Owners Manual