T-SB-0146-19_Rev

T-SB-0146-19
Rev1
October 16, 2019
Audio Head Unit Software Update (Denso-Ten)
Service
Category
Audio/Visual/Telematics
Section
Navigation/Multi Info Display
Market USA
Applicability
YEAR(S)
MODEL(S)
2020
Highlander, Highlander HV,
RAV4, RAV4 HV, Tundra
ADDITIONAL INFORMATION
REVISION NOTICE
March 19, 2020 Rev1:
 The entire bulletin has been updated.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some 2020 model year Tundra vehicles equipped with Audio Plus (version 1186) or earlier may
exhibit one or more of the following conditions:

WiFi intermittently inoperative

DTC B15DB present

Changing the Auto Relock Timer setting also changes the Remote 2-Press unlock setting
Some 2020 model year Tundra, RAV4, RAV4 Hybrid, Highlander, or Highlander Hybrid vehicles
equipped with Audio Plus (version 1210), or Premium Audio (version 1196) or earlier may exhibit
one or more of the following conditions:

Intermittent screen flashing

Intermittent “Destination Assist Unavailable” pop-up message

Intermittent blank screen

Bluetooth® intermittently disconnects

Abnormal radio playback after Destination Assist Call

“There is no playable data” pop-up message when using USB Audio

Unable to answer phone calls when using Apple CarPlay®

Clock displays the incorrect time

Intermittent rebooting
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Audio Head Unit Software Update (Denso-Ten)
Introduction (continued)

“The software version doesn’t correspond” pop-up is intermittently displayed

Intermittent black screen when using projection navigation

Abnormal noise after ACC OFF/ON when using AM mode and high volume

“Please connect USB” pop-up message when USB is already connected
A software update is now available to address these conditions. Follow the Software Update
Procedure in this bulletin to update the software.
Warranty Information
OP CODE
EL1916
DESCRIPTION
Software Update
TIME
OFP
T1
T2
0.3
86140-0C350
86140-42A60
86140-42A70
86140-42A80
86140-42A90
86140-0R370
86140-0R380
86140-0R390
86140-0R400
86140-0E340
86140-0E550
86140-0E680
86140-0E570
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.
© 2020 Toyota Motor Sales, USA
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Rev1
October 16, 2019
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Audio Head Unit Software Update (Denso-Ten)
Software Update Information
MODEL
HEAD UNIT
SOFTWARE UPDATE FILE
Tundra, RAV4, RAV4 HV,
Highlander, Highlander HV
Audio Plus
17TDT1NA-CA31_1256.kwi
RAV4, RAV4 HV,
Highlander, Highlander HV
Premium Audio
17TDT2NA-CA31_1256.kwi
MULTIMEDIA SOFTWARE FILE DOWNLOAD
The multimedia software update file may be downloaded directly from this Service Bulletin by
clicking on the file name in the table above. Once downloaded, the file may be extracted (unzipped)
from the zip file and saved to a blank USB flash drive.
For USB flash drive requirements and download instructions, refer to TIS – Diagnostics –
Reprogramming – Reference Documents – Multimedia Software Download Instructions.
Software Update Procedure
1. Turn ON the ignition.
2. Press the Menu button on the radio
faceplate, then select Setup.
Figure 1.
3. Select General on the Setup screen.
Figure 2.
© 2020 Toyota Motor Sales, USA
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Rev1
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Audio Head Unit Software Update (Denso-Ten)
Software Update Procedure (continued)
4. Scroll down and select Software
Update.
Figure 3.
5. Verify that the software version is
the same or earlier than indicated in
the Introduction.
Figure 4.
6. If the software needs to be updated, download the software from the Software Update
Information section onto an empty USB flash drive.
NOTE
If the vehicle has been turned OFF, repeat steps 1 – 5 to re-enter the Software Update screen.
7. Insert the prepared USB flash drive into the vehicle’s USB port.
8. Verify that the NEW software is up to date on the Software Update screen.
Table 1. Software Version Information
AUDIO PLUS
PREMIUM AUDIO
TYPE
Audio
CURRENT
NEW
CURRENT
NEW
1186
1210
1256
1191
1196
1256
© 2020 Toyota Motor Sales, USA
T-SB-0146-19
Rev1
October 16, 2019
Audio Head Unit Software Update (Denso-Ten)
Software Update Procedure (continued)
9. Select the Update Software button in the
lower right-hand corner.
Figure 5.
10. Select OK on the
Software Update Detail screen.
Figure 6.
11. Select Agree on the
Terms of Service screen.
Figure 7.
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Audio Head Unit Software Update (Denso-Ten)
Software Update Procedure (continued)
12. Select Yes on the “Would you like to start
the software update?” pop-up.
Figure 8.
13. Once the head unit begins installation, the
update will take approximately 10 minutes.
Figure 9.
NOTE
 Do NOT turn OFF the ignition or ACC
BEFORE the software is ready
for updating.
 Do NOT remove the USB flash drive until
instructed in step 17.
14. When the “The software is ready for
updating” screen appears, turn OFF
the ignition.
Figure 10.
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Audio Head Unit Software Update (Denso-Ten)
Software Update Procedure (continued)
15. Turn the ignition ON to complete the software update.
16. AFTER turning the ignition ON, the Software
Update screen will appear. Do NOT turn
OFF the ignition or remove the USB flash
drive. The head unit will reboot during
this time.
Figure 11.
17. Once the software update is complete and
the Home screen appears, remove the USB
flash drive.
Figure 12.
18. Perform steps 3 – 6 to verify the software
version matches the current software
version information table below.
Figure 13.
Table 2. Software Version Information
AUDIO PLUS
PREMIUM AUDIO
TYPE
Audio
CURRENT
NEW
CURRENT
NEW
1256
–
1256
–
© 2020 Toyota Motor Sales, USA