T-SB-0021-20 Rev

T-SB-0021-20
Rev2
March 9, 2020
DCM Firmware Update (LG)
Service
Category
Audio/Visual/Telematics
Section
Cellular Communication
Market USA
Applicability
YEAR(S)
MODEL(S)
2020
Camry, Camry HV, Corolla
Hatchback, RAV4, RAV4 HV
ADDITIONAL INFORMATION
REVISION NOTICE
June 04, 2020 Rev2:
 The Introduction section has been updated.
April 02, 2020 Rev1:
 The Firmware Update Procedure section has been updated.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some 2020 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid
vehicles may exhibit one or more of the following conditions:

DTC B15A804 is present in current or history.

Red SOS LED stays on after bulb check.

Toyota App does not accept the activation code.

Toyota App is inoperative.

SOS call center does not receive the vehicle’s location in a timely manner.

Toyota App shows an error 42 when trying to execute a command.

Unable to remote start the vehicle with the key fob (if equipped).

Unable to subscribe to remote services.

Unable to activate Wi-Fi.

Destination Assist is inoperative.
A firmware update is now available to address these conditions. Follow the Firmware Update
Procedure in this bulletin to update the firmware.
© 2020 Toyota Motor Sales, USA
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T-SB-0021-20
Rev2
March 9, 2020
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DCM Firmware Update (LG)
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
EL1925
Firmware Update
0.8
86741-#####
87
74
APPLICABLE WARRANTY
 This repair is covered under the Toyota Basic Warranty. This warranty is in effect for
36 months or 36,000 miles, whichever occurs first, from the vehicle’s in-service date.
 Warranty application is limited to occurrence of the specified condition described in
this bulletin.
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
Techstream ADVi*
QTY
TSADVUNIT
Techstream 2.0
Techstream Lite
PART NUMBER
TS2UNIT
ADE
Techstream Lite (Green Cable)
1
TSLITEPDLR01
TSLP2DLR01
*Essential SST.
NOTE
 Only ONE of the Techstream units listed above is required.
 Software version 15.00.028 or later is required.
 Additional Techstream units may be ordered by calling Approved Dealer
Equipment (ADE) at 1-800-368-6787.
 Use Techstream or an approved J2534 interface to perform flash reprogramming updates.
Visit techinfo.toyota.com for more information regarding J2534 reprogramming.
SPECIAL SERVICE TOOLS (SST)
PART NUMBER
QTY
Battery Diagnostic Tool*
DCA-8000P_T
1
*Essential SST.
NOTE
Additional SSTs may be ordered by calling 1-800-933-8335.
© 2020 Toyota Motor Sales, USA
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Rev2
March 9, 2020
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DCM Firmware Update (LG)
Firmware Update Procedure
1. Move the vehicle to an area with good DCM (Data Communication Module) signal reception.
2. Using Techstream, perform a Health
Check and clear ALL DTCs.
Figure 1.
A. Check the “Perform Health Check on
all ECUs” box.
B. Check the “Store only DTC
and FFD” box.
C. Click on Next.
© 2020 Toyota Motor Sales, USA
T-SB-0021-20
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March 9, 2020
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DCM Firmware Update (LG)
Firmware Update Procedure (continued)
3. Verify the current firmware version.
Refer to TIS – Body Electrical – Telematics – Data List:
Table 1: Current Firmware Version.
PREVIOUS
CURRENT
SOFTWARE VERSION HIGH
LG-N010dd7
LG-N010ee9
LG-N010ffB
SOFTWARE VERSION LOW
575-57
575-55
I9I-13
I9I-b9
I9I-24
CBC-98
CBC-34
Is the firmware version up to date?

YES — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.

NO — Continue to step 4.
4. Disconnect the battery.
5. Reconnect the battery AFTER it has been disconnected for AT LEAST 30 minutes.
6. Cycle the ignition to the IG ON position IMMEDIATELY.
7. Verify the SOS LED indicator status.
Has the SOS LED indicator been on solid green for more than 5 seconds?

YES — Continue to step 8.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
8. Perform the DCM firmware update utility.
Refer to TIS – Body Electrical –
Telematics – Utility.
Figure 2.
© 2020 Toyota Motor Sales, USA
T-SB-0021-20
Rev2
March 9, 2020
DCM Firmware Update (LG)
Firmware Update Procedure (continued)
9. Click on Next when the DCM firmware
update screen appears.
10. Select “Start the firmware update” and click
on Next when the item selection
screen appears.
Figure 3.
Figure 4.
© 2020 Toyota Motor Sales, USA
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T-SB-0021-20
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March 9, 2020
DCM Firmware Update (LG)
Firmware Update Procedure (continued)
11. Click on Next when the current software part
number screen appears.
Figure 5.
NOTE
If the screen in Figure 5 does NOT appear
and an error message displays, begin the
Firmware Update Procedure again from
step 4. The battery reset MUST be
performed again.
Use the battery diagnostic tool to maintain
battery voltage.
NOTE
 The battery diagnostic tool MUST be used
in Power Supply Mode to maintain battery
voltage at 13.5V while flash reprogramming
the vehicle.
 For details on how to use the battery
diagnostic station, refer to the
DCA-8000 Instruction Manual located at
TIS – Diagnostics – Tools & Equipment –
Battery Diagnostics.
12. The firmware update will begin. DO NOT turn
the vehicle OFF during this time.
Figure 6.
NOTE
 DO NOT press Exit until the update process
has completed.
 During the update process the green and
red LEDs will both be ON, and will reset
several times resulting in the LEDs being
temporarily OFF during the process. The
download process will take about
5 – 10 minutes.
© 2020 Toyota Motor Sales, USA
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DCM Firmware Update (LG)
Firmware Update Procedure (continued)
13. The green LED will be ON when the
update process has completed. AFTER the
process has completed, wait for the radio
screen to display the service mode screen
BEFORE you click OK to exit.
Figure 7.
14. Verify the current firmware version.
Refer to TIS – Body Electrical – Telematics – Data List:
Table 2: Current Firmware Version
CURRENT FIRMWARE VERSION
SOFTWARE VERSION HIGH
LG-N010ffB
SOFTWARE VERSION LOW
CBC-98
CBC-34
15. Using Techstream, perform a Health Check and clear ALL DTCs that may have occurred
during the update process.
16. In the customer’s Toyota app, perform
steps 17 – 19 for customers with the
“Unable to Activate Remote” message.
Figure 8.
© 2020 Toyota Motor Sales, USA
T-SB-0021-20
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March 9, 2020
DCM Firmware Update (LG)
Firmware Update Procedure (continued)
17. Click on the arrow by the vehicle
name/nickname.
Figure 9.
18. Click on REMOVE.
Figure 10.
19. Click on Add Vehicle to perform
the enrollment again.
Figure 11.
© 2020 Toyota Motor Sales, USA
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