TSB-0041-23

T-SB-0041-23
June 30, 2023
Audio Head Unit Software Update (Denso Ten)
Service
Category
Audio/Visual/Telematics
Market USA and
Section
Mexico
Audio/Video
Applicability
YEAR(S)
MODEL(S)
2023
GR Corolla, Prius, Prius
Prime, RAV4, RAV4 HV,
RAV4 Prime, Venza HV
ADDITIONAL INFORMATION
Introduction
Some 2023 model year GR Corolla, RAV4, RAV4 Hybrid, RAV4 Prime, and Venza Hybrid vehicles
with multimedia version older than 1564 may exhibit one or more of the following conditions:

Head unit rebooting (does not affect backup camera).

Head unit does not boot up (does not affect backup camera).

Display screen flickers (does not affect backup camera).

Map is not displayed.

User profile enhancements.

The French “Share ETA” screen is not completely in French.

Incoming call ringing continues even after ignoring or ending the call.
Some 2023 model year Prius and Prius Prime vehicles with multimedia version older than 1586
may exhibit one or more of the following conditions:

Head unit rebooting (does not affect backup camera).

Head unit does not boot up (does not affect backup camera).

Display screen flickers (does not affect backup camera).
A software update is now available to address these conditions. Follow the procedures in this
bulletin to update the software.
© 2023 Toyota Motor Sales, USA
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Audio Head Unit Software Update (Denso Ten)
Table of Contents

Warranty Information ............................................................................................................... 3

For USA Market ................................................................................................................. 3

For Mexico Market ............................................................................................................. 3

Multimedia Software Update Information ................................................................................. 4

Head Unit Software Version Confirmation ............................................................................... 5

Continuous Head Unit Reboot Condition ................................................................................. 6

USB Update Procedure ........................................................................................................... 7
© 2023 Toyota Motor Sales, USA
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June 30, 2023
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Audio Head Unit Software Update (Denso Ten)
Warranty Information
For USA Market
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
EL2303
Software Update
0.6
86140-#####*
86100-#####*
87
74
*Warranty claim MUST be submitted with the correct 10-digit OFP. Choose the correct OFP for the vehicle being repaired
by searching for the parts in the Electronic Parts Catalog using the VIN filter.
APPLICABLE WARRANTY (USA)
 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.
For Mexico Market
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
EL2303
Software Update
0.6
86140-#####*
86100-#####*
87
74
*Warranty claim MUST be submitted with the correct 10-digit OFP. Choose the correct OFP for the vehicle being repaired
by searching for the parts in the Electronic Parts Catalog using the VIN filter.
APPLICABLE WARRANTY (MEXICO)
 This repair is covered under the Toyota Basic Warranty. This warranty is in effect for
36 months or 60,000 kilometers, whichever occurs first, from the vehicle’s in-service date.
 Warranty application is limited to occurrence of the specified condition described in
this bulletin.
© 2023 Toyota Motor Sales, USA
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Audio Head Unit Software Update (Denso Ten)
Multimedia Software Update Information
MODEL
HEAD UNIT
GR Corolla
SOFTWARE UPDATE FILE
rb_update_2023_GRCOROLLA_NE_HU_C_01564.zip
Entry
rb_update_2023_PRIUS_NE_HU_C_01586.zip
Prius, Prius Prime
Premium
RAV4, RAV4 HV,
RAV4 Prime
rb_update_2023_PRIUS_NP_HU_C_01586.zip
rb_update_2023_RAV4_NE_HU_C_01564.zip
Entry
rb_update_2023_VENZA_NE_HU_C_01564.zip
Venza HV
Premium
rb_update_2023_VENZA_NP_HU_C_01564.zip
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, do NOT extract the files (unzip), the files need to be saved directly to a blank
USB flash drive.
 Confirm there is no “(1)” or similar suffix on the file due to multiple downloads.
 Do NOT rename the file unless it is to remove “(1)” or similar.
 Multiple files can NOT be on the same USB flash drive; if there are two files on the USB flash
drive beginning with “rb_update” the software installation will NOT begin.
Use a blank USB flash drive from a trusted “name-brand” manufacturer with the
following specifications:
 Storage capacity: 4 – 32 GB.
 USB flash drives larger than 32 GB that can be partitioned to smaller sizes will NOT work.
 If a 32 GB USB flash drive is not working, try a smaller capacity USB flash drive.
 Communication format: USB 2.0 or newer.
 File format: FAT 32 (Windows®).
 USB-C vehicles will require a USB-C flash drive or adapter that is capable of transferring data
(not just charging).
© 2023 Toyota Motor Sales, USA
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Audio Head Unit Software Update (Denso Ten)
Head Unit Software Version Confirmation
1. Select the gear icon, scroll down, and select
Software update.
Figure 1.
NOTE
If it is NOT possible to perform this step due
to rebooting, go to the Continuous Head Unit
Reboot Condition section.
2. Select Model Info to view the head unit
version number.
Is the head unit software up to date?
(Refer to Table 1 below.)

YES — This bulletin does NOT apply,
continue diagnosis using the
applicable Repair Manual.

NO — Continue to step 3.
3. Verify that the software is up to date on the
Software Update screen.
Figure 2.
Figure 3.
Is the head unit software version in the
vehicle one of the previous versions listed
in Table 1?

YES — Continue to the Continuous Head
Unit Reboot Condition section.

NO — This bulletin does NOT apply,
continue diagnosis using the
applicable Repair Manual.
Table 1. Software Version Information
MODEL
TYPE
GR Corolla, RAV4,
RAV4 Hybrid, RAV4
Prime, Venza HV
HU Version
PREVIOUS VERSION
CURRENT VERSION
< 1564
1564
< 1586
1586
Prius, Prius Prime
© 2023 Toyota Motor Sales, USA
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Audio Head Unit Software Update (Denso Ten)
Continuous Head Unit Reboot Condition
1. Turn the ignition to IG-ON.
2. Does the head unit exhibit a continuous rebooting condition?

YES — Continue to step 3.

NO — Go to the USB Update Procedure section.
3. Turn the ignition to IG-OFF.
4. Disconnect the cable from the 12V battery negative terminal for 10 minutes, then reconnect it.
Refer to TIS, applicable model and model year Repair Manual:

2023 GR Corolla:
Power Source/Network – Battery/Charging – “G16E-GTS (Battery / Charging):
Battery: Removal”

2023 Prius:
General – Maintenance – “2ZR-FXE Auxiliary Battery: Removal”

2023 Prius Prime:
General – Maintenance – “M20A-FXS (Battery / Charging): Auxiliary Battery: Removal”

2023 RAV4:
Power Source/Network – Battery/Charging – “A25A-FKS (Battery / Charging):
Battery: Removal”

2023 RAV4 Hybrid:
Power Source/Network – Battery/Charging – “A25A-FXS
(Battery / Charging): Auxiliary Battery: Removal”

2023 RAV4 Prime:
Power Source/Network – Battery/Charging – “A25A-FXS (Battery / Charging): Auxiliary
Battery: Removal”

2023 Venza Hybrid:
Power Source/Network – Battery/Charging – “A25A-FXS (Battery / Charging): Auxiliary
Battery: Removal”
5. Turn the ignition to IG-ON, the head unit should boot up normally.
HINT
If the head unit does NOT boot up normally, the battery may need to be disconnected for longer than
10 minutes.
6. Does the head unit boot up normally after disconnecting the battery for longer than 10 minutes?

YES — Continue to the USB Update Procedure section.

NO —This bulletin does NOT apply, continue diagnosis using the applicable Repair Manual.
© 2023 Toyota Motor Sales, USA
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Audio Head Unit Software Update (Denso Ten)
USB Update Procedure
1. Download the software from the Software Update Information section onto an empty USB
flash drive.
2. Select the gear icon and scroll down to
Software update.
Figure 4.
3. Insert the prepared USB flash drive (may be
an orange-colored device) into the vehicle’s
data USB port.
Figure 5.
NOTE
If there are no media files on the USB flash
drive, there may be a “Device no response”
banner. This is normal.
Figure 6.
4. Select Update Software.
NOTE
 The Update Software button may not be
available immediately after inserting the
USB flash drive. The head unit is unzipping
the software update file, and it may take up
to 10 minutes for this button to become
available to press.
 If the button does NOT appear within 20
minutes, refer to the Multimedia Software
Update File Download notice on page 4.
5. Select Accept on the Terms of
service screen.
Figure 7.
© 2023 Toyota Motor Sales, USA
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Audio Head Unit Software Update (Denso Ten)
USB Update Procedure (continued)
6. Wait for the update to download. Once the
head unit begins installation, the update will
take about 15 minutes per update file.
Figure 8.
NOTE



Do NOT turn OFF the engine or ACC
BEFORE the software is ready
for updating.
Do NOT remove the USB flash drive until
instructed in step 9.
Selecting Cancel will cancel the installation
of the specific component, but it can be
installed manually later.
A. When the update is complete, “Install
Complete” will show on the head unit, as
shown in Figure 9.
Figure 9.
B. The “Software update” pop-up message
may also appear, as shown in Figure 10.
NOTE
If you are prompted to upload a report as
shown in Figure 11, insert a blank USB to
remove the .JSON files. These files are
NOT needed.
Figure 10.
Figure 11.
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Audio Head Unit Software Update (Denso Ten)
USB Update Procedure (continued)
7. Perform an ignition cycle.
8. After the system has successfully booted up, wait two minutes.
9. Remove the USB flash drive.
10. Perform steps 1 – 3 of the Head Unit Software Version Confirmation section to verify the
software version matches the table below.
Table 2. Software Version Information
MODEL
TYPE
GR Corolla, RAV4, RAV4 HV,
RAV4 Prime, Venza HV
HU Version
Prius, Prius Prime
CURRENT VERSION
1564
1586
© 2023 Toyota Motor Sales, USA