Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VJBQ
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 - 11/2017]
Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: DIAGNOSTIC TROUBLE CODE CHART; 2016 - 2017 MY Sienna [12/2015 - 11/2017]

DIAGNOSTIC TROUBLE CODE CHART

DTC Code

Detection Item

Trouble Area

See page

B1570

Manual (SOS) Switch Red Indicator Malfunction

- Roof console box assembly

- Wire harness or connector

- DCM (Telematics Transceiver)

2016 - 2020 MY Sienna [12/2015 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B1570; Manual (SOS) Switch Red Indicator Malfunction

B1571

Manual (SOS) Switch Green Indicator Malfunction

- Roof console box assembly

- Wire harness or connector

- DCM (Telematics Transceiver)

2016 - 2020 MY Sienna [12/2015 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B1571; Manual (SOS) Switch Green Indicator Malfunction

B1572

Telephone Microphone Error

- Wire harness or connector

- Telephone microphone assembly

- Roof console box assembly

- DCM (Telematics Transceiver)

2016 - 2018 MY Sienna [12/2015 - 08/2018]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B1572; Telephone Microphone Error

B1573

Short in Telephone Antenna Circuit

- DCM (Telematics Transceiver)

- Telephone and GPS antenna assembly

- Wire harness or connector (Telephone and GPS antenna assembly cord)

2016 - 2017 MY Sienna [12/2015 - 11/2017]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B1573,B15CB; Short in Telephone Antenna Circuit

B15CB

Telematics Transceiver Antenna Disconnected

- DCM (Telematics Transceiver)

- Telephone and GPS antenna assembly

- Wire harness or connector (Telephone and GPS antenna assembly cord)

2016 - 2017 MY Sienna [12/2015 - 11/2017]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B1573,B15CB; Short in Telephone Antenna Circuit

B1583

GPS Signal Unreceived

- Telephone and GPS antenna assembly

- DCM (Telematics Transceiver)

2016 - 2017 MY Sienna [12/2015 - 11/2017]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B1583; GPS Signal Unreceived

B15A8

Telematics Transceiver Malfunction

DCM (Telematics Transceiver)

2016 - 2020 MY Sienna [12/2015 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B15A8; Telematics Transceiver Malfunction

B15C0

Short in GPS Antenna

- DCM (Telematics Transceiver)

- Wire harness or connector (Telephone and GPS antenna assembly cord)

- Telephone and GPS antenna assembly

2016 - 2017 MY Sienna [12/2015 - 11/2017]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B15C0,B15C1; Short in GPS Antenna

B15C1

Open in GPS Antenna

- DCM (Telematics Transceiver)

- Wire harness or connector (Telephone and GPS antenna assembly cord)

- Telephone and GPS antenna assembly

2016 - 2017 MY Sienna [12/2015 - 11/2017]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B15C0,B15C1; Short in GPS Antenna

B15C4

Airbag Signal Malfunction/Not Input

- Airbag system

- Wire harness or connector

- Center airbag sensor assembly

- DCM (Telematics Transceiver)

2016 - 2020 MY Sienna [12/2015 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B15C4; Airbag Signal Malfunction/Not Input

B15C5

Manual Button Malfunction

- DCM (Telematics Transceiver)

- Roof console box assembly

- Wire harness or connector

2016 - 2020 MY Sienna [12/2015 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B15C5; Manual Button Malfunction

B15CC

Backup Battery Failure

- Wire harness or connector

- BUB (Back-up battery)

- DCM (Telematics Transceiver)

2016 - 2017 MY Sienna [12/2015 - 11/2017]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B15CC; Backup Battery Failure

B15EC

Backup Battery Degradation

BUB (Back-up battery)

2016 - 2020 MY Sienna [12/2015 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B15EC; Backup Battery Degradation