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

Last Modified: 04-05-2023	6.11:8.1.0	Doc ID: RM100000000VJC9
Model Year Start: 2016	Model: Sienna	Prod Date Range: [12/2015 - 11/2017]
Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B1583; GPS Signal Unreceived; 2016 - 2017 MY Sienna [12/2015 - 11/2017]

DTC

B1583

GPS Signal Unreceived

DESCRIPTION

If GPS satellite signals cannot be acquired for 15 consecutive miles, this DTC is set.

DTC No.	DTC Detection Condition	Trouble Area
B1583	GPS signal is not received for 24 km (15 miles)	Telephone and GPS antenna assembly DCM (Telematics Transceiver)

HINT:

If either DTC B15C0 or B15C1 is output at the same time, perform troubleshooting for DTC B15C0 or B15C1 first.

1.	CHECK TELEPHONE AND GPS ANTENNA ASSEMBLY

(a) Check that there are no problems with the telephone and GPS antenna assembly.

OK:

The antenna is not excessively dirty, and there are no objects blocking signal reception.

REMOVE FOREIGN OBJECT

2.	REPLACE TELEPHONE AND GPS ANTENNA ASSEMBLY

(a) Replace the telephone and GPS antenna assembly (See page ).

CLEAR DTC

(a) Clear the current and historic DTC (See page ).

CHECK DTC

(a) Drive the vehicle for at least 15 miles, manual (SOS) switch red indicator will illuminate at approximately 10 miles if problem still exists.

(b) Turn the ignition switch off.

(d) Turn the ignition switch to ON and wait for 10 seconds.

(e) Turn the Techstream on.

(f) Perform "HEALTH CHECK" and check current and historic DTCs (See page ).

HINT:

Basically turning ignition switch off will clear the current DTC until vehicle is driven about 10 miles again with the issue.

Result	Proceed to
DTC B1583 is output	A
DTC B1583 is not output	B

END

5.	REPLACE DCM (TELEMATICS TRANSCEIVER)

(a) Replace the DCM (Telematics Transceiver) (See page ).

NOTICE: