NHTSA ID Number: 11033067
Manufacturer Communication Number: 15-301-22R
TSB/Document Date: 2026-06-01
Summary
This bulletin announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Denso CP1 Audio and Navigation head units utilized in the models listed.
not displayed
3
When the ignition switch is turned on, the audio source that was playing the time
before last is started to play
4
Even when the order of list in the Phone Book is set "Family Name" first and
"First Name" second, it displays in the order of "First Name" first
Audio source has no sound when turning ignition switch ON-OFF-ON quickly
5
6
After switching the clock function to AUTO, the CID screen display becomes
distorted
7
The CID screen display becomes distorted causing icons and text to be displayed
incorrectly, when using USB audio in folder playback mode: the track list is
scrolled at the moment when the playing folder switches
Symptoms Addressed By Update #4:
Continued...
Bulletin Number: 15-301-22R; Revised: 05/15/26
Page 26 of 48
Number
1
Symptoms to be Improved:
While welcome animation on CID is displayed and the driver's door is left open, if
turning ignition OFF/ON, the CID screen will be black screen.
2
After starting the engine, the loading animation remains and the screen does not
transition remaining blank.
3
When the “All” tab is pressed on the TravelLink Sports screen, a blank screen
appears.
4
During Bluetooth audio playing, the CID screen turns into a black picture.
5
The Information Display Area at the top of the CID screen displays a different
information screen from the last time.
6
Touch operation of the CID screen does not work.
The screen is displayed and sound is played, but the touch-screen operations are
not available.
7
Operation of the CID screen and reaction may become slow while using Bluetooth
audio.
8
Immediately after turning ignition on, it takes about 50 seconds to start SXM
playing.
9
The CID screen resets immediately or within 3 minutes after engine start.
Continued...
Bulletin Number: 15-301-22R; Revised: 05/15/26
Page 27 of 48
Number
10
11
12
13
14
Symptoms to be Improved:
If a same date is set to maintenance date, birthday, and anniversary date, pop-ups
will appear in sequence on the top of the CID after engine is started when the day
comes. Under this condition, if an operation is performed to delete the maintenance
date, birthday or anniversary date registration within a few seconds immediately
before the pop-up display, the CID screen will reset.
When the ignition is repeatedly turned ON/OFF in quick succession, CID screen
resets right after startup.
After turning the ignition ON, the CID screen resets approximately after 6 minutes
due to a communication issue within the CCU causing the radio tuner to become
unresponsive.
Repeated and consecutive operation of voice recognition activation, CarPlay
activation, and the HOME button operation cause the CarPlay screen to be black
screen for several seconds.
When the engine is started with the iPhone connected via USB, CarPlay does not
start even if the CarPlay icon on the home screen is pressed.
<Hint> This can be resolved by reinserting the USB cable.
Continued...
Bulletin Number: 15-301-22R; Revised: 05/15/26
Page 28 of 48
Number
15
Symptoms to be Improved:
After performing operations 1 and 2 below from the CarPlay screen, returning to
the CarPlay screen causes the CarPlay screen to be black screen.
Operation 1: Switching to a pop-up screen such as the air conditioner screen
Operation 2: Interrupt pop-up screen display due to volume operation, etc.
16
CarPlay does not activate if the cable is disconnected or inserted while using
CarPlay and/or temporary contact failure occurs on the cable.
17
When an iPhone/iPod is connected via USB cable and connected as an iPod audio
device instead of CarPlay, the CID screen resets when the music information is
received.
(This occurs when some of the music information data sent by the iPhone/iPod is
missing.)
When using CarPlay, it suddenly disconnects and not reconnect even after
unplugging and plugging the USB cable.
18
19
CarPlay is not activated.
20
When volume is changed when using CarPlay, the speakers do not temporarily
sound.
21
When calling with CarPlay function, the other party's voice can be heard, but
user’s voice cannot reach the other party.
22
If there is no response from the iPhone/Android device for an extended period,
a pop-up is displayed, indicating that the screen cannot be shown due to
communication issue with the device.
While using AudroidAuto to play music, the sound comes from the device (smart
phone) itself instead of the vehicle speakers when the following steps (1) to (4) are
operated.
(1) Start a hands-free call while music is playing on the AndroidAuto App.
(2) ""See you"" is displayed on the CID screen after turning the ignition off, and
then the screen disappears.
(3) Turn the ignition on again without waiting for a long time.
(4) End the hands-free call.
23
Continued...
Bulletin Number: 15-301-22R; Revised: 05/15/26
Page 29 of 48
Number
24
25
26
27
28
Symptoms to be Improved:
Music does not sound on Android Auto if the following steps (1) to (3) are operated.
(1) Start hands-free call while music is playing on Android Auto.
(2) Turn off audio by pressing and holding the volume button.
(3) Press and hold the volume button again to turn ON and end the hands-free call.
<Hint> This can be resolved by reinserting the USB cable.
During navigation with Android Auto, the map displays the vehicle's position on
the highway even after exiting the highway.
Improve error message in case of Bluetooth connection failure.
The error message that pops up in case of Bluetooth connection failure due to
corrupt pairing information is improved with added clarity to advise the user on
what to do.
After canceling the phonebook transfer that appears automatically when
connecting via Bluetooth, attempting to transfer a phonebook by manual operation
fails to initiate the transfer.
The date of receipt of a received message is displayed as “2000/1/1.”
This occurs on some models of phones with Android OS 13 or later.
29
When connecting Apple devices running iOS 16.4 or later, the short message
feature is not available.
30
Audio operation (audio playing, volume change, audio source switch) is not
available after engine starts.
31
No sound from all audio sources after engine starts, and "No Audio Playing" is
displayed on the CID screen.
32
The volume of the phone voice for hands-free calls is set to zero itself.
33
After pressing the radio icon from the HOME screen, the FM radio is not sound.
34
After ACC-OFF while SXM is playing, SXM does not play automatically the next
time ACC-ON.
35
When operating the navigation system by voice recognition, some regional place
names (states, cities, etc.) are not recognized.
Continued...
Bulletin Number: 15-301-22R; Revised: 05/15/26
Page 30 of 48
Number
Symptoms to be Improved:
36
The destination setting cannot be deleted even if "Cancel Route" or "Delete
Destination" is said with the voice recognition.
37
When a language other than English is set, the distance to the destination displayed
in the navigation destination is abnormal.
When the distance is greater than 1.0, the decimal point is rounded down.
When the distance is less than 1.0, the value becomes 0.1.
When the clock was set to "AUTO," the date and time are shifted to a date
approximately 20 years in the future due to anomalous values received from GPS
or other reasons. If it occurs, the date and time cannot be corrected manually and
have to be reset by disconnecting the battery terminal. As a countermeasure, a
setting screen to manually adjust the clock display in the "AUTO" setting is to be
added to the Dealership Mode (Dealership Mode->Settings->GNSS Data Setting).
38
39
When the preset channel on the SXM is pressed, a different channel is selected
instead of the registered channel.
40
Continuous operation of Preset Up/Down on SXM preset channels causes switching
to channel 0.
41
The radio preset list is lost completely.
42
(Specifications) If a music was being played via USB when the audio system
was turned off at the last time, the audio system is to resume playing the same
music automatically when the same USB is plugged in at the next time. (Trouble
Symptom) The system does not resume playing from the previously played music
and starts to play from the first music in the USB.
When resuming a USB audio playing after editing the folder structure and/or the
order of the music in the USB by PC, a mismatch between the played tracks and
the displayed track names occurs.
After indicating "Play Artist ******" via voice recognition, the user selects a
specific music on the displayed list to start USB audio playback. Then, instead of
the music on the list, the specific music from the first album of that artist will be
played.
43
44
Continued...
Bulletin Number: 15-301-22R; Revised: 05/15/26
Page 31 of 48
Number
45
46
47
48
49
Symptoms to be Improved:
After all music has been played by USB audio with the repeat function in “off”
position, music cannot be played after pressing search to switch the playing mode
(folder, artist, album, etc.) and selecting a music.
Voice recognition does not recognize certain SXM channel names.
When starting hands-free call using voice recognition commands, a warning
message "Please wait a minute" appears on the meter display and the call cannot
be initiated.
When using the voice recognition feature while playing audio or radio, the speaker
may not sound.
When updating the CCU software from Dealership Mode, a progress bar for the
installation stops in the middle of the process and the update is not completed.
New Functions and Enhancements included in Update #4:
Number
1
2
3
New Function or Enhancement:
To improve the chance of reestablishing the connection in case of connection failure
of Bluetooth and/or Android Auto due to error in the smartphone side, the CCU
sends a request to the smartphone device again as additional attempt.
CCU Support vertical screen displays for Android Auto, but the actual display
screen size differs depending on the Android device’s OS version.
Update against vulnerability in security of Bluetooth connection.
Continued...
Bulletin Number: 15-301-22R; Revised: 05/15/26
Page 32 of 48
Number
4
New Function or Enhancement:
When getting CCU USB logs at the Diagnostics Recorder screen in the Dealership
Mode, it was necessary to turn off "Begin Recording" to ""Export Data to USB."
And after the log acquisition, it was necessary to turn "Begin Recording" ON
again. The system interface is improved so that "Begin Recording" is automatically
switched ON after log acquisition has been accomplished.
Symptoms Addressed By Update #3:
Number
1
Symptoms to be Improved:
2
Unexpexted CP1 system reboot resulting from an inter reset to sync internal communication with Bluetooth module.
CID restarts itself right after engine is started.
3
CID resets and reboots.
4
Right after starting up, the CID is blank only displaying the background without
icons.
5
Loss of audio output for AM/FM
6
Loss of audio output from all sources. Voice from telematics, meter buzzer or beep
sound are not affected.
Continued...
Bulletin Number: 15-301-22R; Revised: 05/15/26
Page 33 of 48
Number
Symptoms to be Improved:
8
Sound is lost when playing Bluetooth audio even though the screen is displayed
without problem. It can occur when the audio source is switched repeatedly
between the Bluetooth and others.
SXM radio output is lost after terminating a handsfree phone call.
9
No audio played back when using CarPlay.
10
Sound volume control does not work while using Android Auto.
11
Cyclic short noise like a drilling or vibration is heard from speakers.
12
After the engine is started, a message of “Loading Navigation...” continues to be
displayed, but the map is not displayed.
13
Vehicle position on navigation map erroneously moves to zero degrees latitude and
zero degrees longitude (0°N 0°E or west of Africa in the Atlantic ocean).
14
Navigation map scale is changed to the lowest setting (globe is displayed).
15
When “Call” button is pressed in “Confirm Destination” screen of Navigation
system (to call the destination site,) the call can be made but the screen does not
transit to phone call screen.
7
Continued...
Bulletin Number: 15-301-22R; Revised: 05/15/26
Page 34 of 48
Number
Symptoms to be Improved:
16
When selecting “Phone-”>”Message,” message received time is displayed
incorrectly as “1/1/0.”
It can occur with an Android phone with a specific Android OS (Pixel 6, Pixel4a,
Pixel4XL, Xperia etc. ) in which time zone data is attached to the message receiving
time.
17
Even when using the same mobile device that was paired previously, a message of
“Are you sure you want to activate this profile?” is prompted and confirmation is
needed to activate the device.
Cover art of previous music is displayed when playing music without cover art
in USB audio. It can occur when music with and without cover art is mixed and
stored together a single USB.
18
19
Command “Play Artist <Artist name>”” to play all music of particular artist in
USB music mode, only the first item listed for the artist is played.
20
While playing music from USB, the music title displayed on the screen differs from
what is being played. It can occur by the following sequence of operation:
1. Display a list of music on the USB audio screen.
2. Change the screen to other screen than the music list.
3. The music play is continued and moved on to a music in a different music list.
4. Change the screen back to the music list in the USB audio screen.
Continued...
Bulletin Number: 15-301-22R; Revised: 05/15/26
Page 35 of 48
Number
21
Symptoms to be Improved:
In USB music mode, some music is skipped and the music in the next folder is
started. Under following condition
1. Play USB music in “Folder” mode with repeat mode setting “Repeat All.”
2. Turn Ignition Switch off then open/close door and keep it locked for more than 5
minutes.
3. Turn Ignition Switch on and operate “Track Up/Down” on the audio system.
22
The mode does not switch to Media, after “Media” icon is selected.
23
When selecting shortcut for SXM channel on “Home” screen, the screen is changed
to SXM but no sound is coming or no channel name is displayed.
24
When using FOTA service to update the software by selecting “Setting” >
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TSB/Document ID: 15-301-22R
Replacement Service Bulletin Number:
MFR Communication Date: 2026-05-15
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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