T-SB-0031-20

T-SB-0031-20
April 1, 2020
Audio Head Unit Software Update (Denso)
Service
Category
Audio/Visual/Telematics
Section
Navigation/Multi Info Display
Market USA
Applicability
YEAR(S)
MODEL(S)
2017 - 2020
Prius Prime
2019 - 2020
Prius
ADDITIONAL INFORMATION
SUPERSESSION NOTICE
The information contained in this bulletin supersedes Service Bulletin No. T-SB-0236-17.
Service Bulletin No. T-SB-0236-17 is obsolete and any printed versions should be discarded.
Introduction
Some 2017 – 2018 model year Prius Prime vehicles equipped with Premium Audio (R10A5430) or
earlier may exhibit one or more of the following conditions. Updated multimedia software is now
available to address these conditions. Follow the Multimedia Software Update Procedure in this
bulletin to install the latest software version.

No iPod® connection when connecting via USB

Intermittent rebooting when connecting/disconnecting the iPod® USB

Intermittent error screen when connecting/disconnecting the iPod® USB

Navigation screen is locked after ACC ON

Internet radio is inoperative after connecting/disconnecting the iPod® USB

Screen flick operation updates

Navigation voice guidance is intermittently in the wrong language

Audio does not mute when using Siri® Eyes Free

Hands-free call is disconnected when another call is received

Voice cannot be heard for several seconds on the handset after the navigation unit is
turned off
© 2020 Toyota Motor Sales, USA
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Audio Head Unit Software Update (Denso)
Introduction (continued)
Some 2017 – 2018 model year Prius Prime vehicles equipped with the large screen Premium
Audio (RA10A5520) or earlier may exhibit one or more of the following conditions. Updated
multimedia software is now available to address these conditions. Follow the Multimedia Software
Update Procedure in this bulletin to install the latest software version.

Sound settings reset after ACC OFF/ON

Volume control intermittently inoperative

Unable to switch between audio modes

Ending video playback concerns

Intermittent rebooting

Unable to connect to an Apple® device via USB

Navigation map inoperative after software update

Navigation map does not display

Screen will not dim

Abnormal operation after using Siri® Eyes Free

Abnormal operation when using BT Audio

My Car Log does not show mileage

Flickering screen

CAN date/time shift

Intermittent sound from JBL equipped vehicles

Backup camera stays on

Abnormal noise during ACC ON

Cannot change songs when playing PANDORA®

Intermittent black screen

Intermittent rebooting

Delay when using navigation
© 2020 Toyota Motor Sales, USA
T-SB-0031-20
April 1, 2020
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Audio Head Unit Software Update (Denso)
Introduction (continued)
Some 2017 – 2019 model year Prius Prime and 2019 Prius vehicles equipped with the large
screen Premium Audio (version R10A8000) or earlier or 2020 model year Prius and Prius Prime
vehicles equipped with the large screen Premium Audio (version R20A2200) or earlier may
exhibit one or more of the following conditions:

Intermittently Rebooting

Intermittent screen flashing

Intermittent screen going blank

Abnormal phone touch tone operation during Apple CarPlay® (if equipped)

Sound settings intermittently reset

Unable to switch audio modes
Follow the Multimedia Software Update Procedure in this bulletin to install the latest
software version.
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
EL9058
Multimedia Software Update
0.3
86804-#####
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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April 1, 2020
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Audio Head Unit Software Update (Denso)
Multimedia Software Update
HEAD UNIT
MULTIMEDIA SOFTWARE UPDATE FILE
QTY
Premium Audio
16TABDNA-AA01_1001.kwi
16TABDNA-AA02_3000.kwi
1
MULTIMEDIA SOFTWARE FILE DOWNLOAD
The Multimedia software update file may be downloaded directly from this Service Bulletin by
clicking on the applicable file name in the table above. Once downloaded, the file may be copied
directly to a commonly available blank USB flash drive.
For USB flash drive requirements and download instructions: Refer to TIS – Diagnostics –
Calibrations – Reference Documents – “Multimedia Software Download Instructions”
Multimedia Software Update Procedure
1. Confirm the audio system type by checking
the panel ID printed on the bottom of the
head unit.
Figure 1.
Table 1. Panel IDs
MODEL
PREMIUM AUDIO
E7051
E7052
E7053
E7054
Prius Prime
Prius
E7055
E7056
E7057
E7058
E7059
E7060
2. Perform steps 6 – 11 to check the current software version.
Does the head unit need the update performed?

YES — Continue to step 3.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
© 2020 Toyota Motor Sales, USA
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Audio Head Unit Software Update (Denso)
Multimedia Software Update Procedure (continued)
3. Download the correct multimedia software update file for the vehicle and install it onto a
USB flash drive.
4. Ready ON the vehicle.
5. Insert the USB flash drive with the downloaded multimedia software update file into the
vehicle’s USB port.
6. Select Menu.
Figure 2.
7. Select Settings.
Figure 3.
© 2020 Toyota Motor Sales, USA
T-SB-0031-20
April 1, 2020
Audio Head Unit Software Update (Denso)
Multimedia Software Update Procedure (continued)
8. Select General.
Figure 4.
9. Scroll down and select Software Update.
Figure 5.
© 2020 Toyota Motor Sales, USA
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Audio Head Unit Software Update (Denso)
Multimedia Software Update Procedure (continued)
Figure 6.
10. Select Update.
NOTE
If the software is detected properly, a “New software was found” pop-up will display.
Figure 7.
11. Verify that the NEW software is the most
up to date by referring to the Software
Version Information table below.
Figure 8.
Table 2. Software Version Information
TYPE
Navigation
PREMIUM AUDIO
CURRENT
NEW
R10A5400
R10A5430
R10A5500
R10A5520
R10A5530
R10A7200
R10A8000
R20A2200
R10A8100
R20A2300
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Audio Head Unit Software Update (Denso)
Multimedia Software Update Procedure (continued)
12. Select Update Software on the
Software Update screen.
Figure 9.
13. Select Yes on the Software Update screen.
Figure 10.
14. Once the head unit begins the installation, the update will take about 10 minutes
to complete.
NOTE
 Do NOT turn OFF the ignition or Ready OFF the vehicle BEFORE the software is ready
for updating.
 Do NOT pull the USB flash drive out of the vehicle’s USB port.
Figure 11.
© 2020 Toyota Motor Sales, USA
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Audio Head Unit Software Update (Denso)
Multimedia Software Update Procedure (continued)
15. When the “Software is ready to update”
screen displays, Ready OFF and ON
the vehicle.
Figure 12.
16. Remove the USB flash drive from the vehicle’s USB port.
Multimedia Software Version Confirmation
1. Perform steps 6 – 11 of the Multimedia Software Update Procedure to reenter the Software
Update screen.
2. Verify that the multimedia software
information is updated on the Software
Update screen.
Figure 13.
Table 3. New Multimedia Software
Version Information
TYPE
Navigation
PREMIUM AUDIO
CURRENT
NEW
R10A8100
R20A2300
–
© 2020 Toyota Motor Sales, USA