NHTSA ID Number: 11034448
Manufacturer Communication Number: SA-042-26
TSB/Document Date: 2026-07-03
Summary
This Service Alert supersedes the previously issued SAs listed below. The changes are noted in Red text. SA-017/25 12/16/25, 09/08/25, 07/14/25, 05/15/25 and 03/21/25 DESCRIPTION Mazda
Connect Frequently Asked Questions (FAQ) Index General Questions MAZDA CONNECT Indication Setup and Getting Started Dealer Processes Registration / Enrollment / Take-Over Customer Subscription Status WI-FI General Informatio Opening the TCU Communication Line WI-FI How-To Conditions for Remote Engine Start Will Not Function WI-FI Trial Period Conditions for Remote Engine Start Function Will turn engine OFF Interacting With The App TCU Communication Line Status Service Issues Educational Videos Troubleshooting Resources MyMazda App Error Codes Customer Opt-Out
What if I’m
already registered for a
MyMazda account?
If you’re already registered for a MyMazda account, you can simply enroll another eligible
vehicle to take advantage of Connected Services.
How do I
activate Connected
You can activate a Connected Services-equipped Mazda vehicle via the MyMazda app. You
will need to add your VIN and then read the entire disclaimer and check "I Agree" or "I
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Services?
Disgree."
Connected Vehicle Online Enrollment Information
1. Installing the MyMazda APP
2. Registering Your User Information
3. Registering Vehicle Information
4. Registering Connected Service
How do I enroll my
vehicle in
Connected Services?
MyMazda App Enrollment Preparation
1. Create a MyMazda account. See Resources
2. Complete any "OPEN" Recalls / Special Service Programs. Go to MGSS -> warranty Veh.
Inq.
3. Update the Telematics Communication Unit (TCU) to the latest software version. Go to
MGSS -> Telematics Communication Unit (TCU) Updates
4. 2019 Mazda3 only - Update the Connectivity Master Unit (CMU) to the latest software
version. Go to MGSS -> MAZDA CONNECT Updates.
5. Check TCU activation status.
a. Go to MAZDA CONNECT home screen.
b. Select Entertainment
c. Select Source List and then select any of the following:
• FM
• AM
• SiriusXM
d. Check the Connected Vehicle reception strength icon:
• Reception strength icon shows normal
strength. The TCU communication line is
Open and ready for enrollment. Go to
Enrollment.
• Reception strength icon shows "X". The
TCU Communication Line is Closed.
Enrollment is not possible. Go to
Opening the TCU Communication Line.
• Reception strength icon shows "\". Move
the vehicle to an area with a clear view of
the sky.
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Enrollment
1. Install the MyMazda APP
Note: If 2nd owner, follow this same Enrollment procedure
to perform a Take-Over. Previous owner will recieve email
notification of Take-Over.
2. Register your user information
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3. Register vehicle information
4. Register Connected Service
NOTE 1: If the communication line is closed, this message
will appear advising the customer to wait for the
communication line to re-open.
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When the communication line re-opens, this message will
appear: "Connectivity is Complete"
NOTE 2: If the Connected Vehicle Services free trial period
has ended, a pop-up notification, "Subscription Required",
requests the customer to sign up for a paid subscription
plan.
This pop-up notification will not disappear until customer
has paid for subscription plan through the Mazda
Connected Services Owner Portal.
Once the customer has purchased a subscription plan, it is
recommended to close the app & re-login back into
MyMazda app to refresh the connected services status.
Once system recognizes customer’s subscription status
(this could take up to 12 hours), the “subscription required”
pop-up will disappear and "Connected Services Enrollment"
screen will appear.
NOTE: If the customer is having difficulty with the Mazda
Connected Services Owner Portal, refer the customer to
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CEC at (800) 222-5500
5. Switch the ignition ON in your Mazda vehicle.
6. Wait 30 seconds.
7. Tap Next.
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8. Tap Request to receive authorization code on your
vehicle’s Mazda Connect center display and wait a few
minutes for the infotainment center display to show the
Authorization Code.
9. After a few minutes, the infotainment center display will
show the Authorization Code. Enter the authorization code
in the MyMazda app, then tap Submit.
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10. After enrollment is successfully processed and the
vehicle is connected, you will receive a push notification.
How do I determine if a
customer has a free trial
subscription or paid
subscription?
I am not able to create a
MyMazda account. I
receive the following
error:
Go to Customer Subscription Status
1. Text “Start” to 1-949 518-0058 (Twilio SMS for Mazda).
2. Retry to create a MyMazda account.
MyMazda App - Internal NOTE: USA and Canada only.
Usher SDK error.
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MyMazda Website ERROR! Unable to send
one-time password.
How do I enroll a
new vehicle in
Connected Services?
Simply take the following steps to enroll another vehicle in
Connected Services:
1. From the MENU, tap MyMazda.
2. Tap My Vehicle.
3. On the Action tab, tap Add Vehicle.
4. Tap Scan VIN and scan barcode with your camera OR, if
the barcode cannot be scanned, tap Manually Enter
VIN and enter the VIN.
5. Tap VALIDATE.
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What should I do when I
see a “(400C04)” error
message when I try to
enroll in Connected
Services?
Wait several minutes and try again.
Do I need an
internet connection to
access Connected
Services?
Yes. The MyMazda app will not work without an internet connection.
When pairing
the MyMazda app to a
vehicle, does the
authorization
code expire?
Yes, the code expires after 5 minutes. If it has expired, you
can request a new authorization code via the MyMazda
app. Simply return to Connected Services Enrollment,
proceed to the step “Request Authorization Code,” then tap
“Request”.
While both codes are for security purposes, they work differently:
What is the
difference between the
two-way authorization
validation code and
the authorization code?
• Validation Code: Used for two-way authentication when you initially sign into your
MyMazda app account. This code is sent to the your smartphone device via SMS. You
will enter your validation code in to the MyMazda app after receiving it via SMS during
the app registration process.
• Authorization Code: Used to pair your MyMazda account to the vehicle. This code is
sent to the vehicle’s head-unit display. You will then enter the authorization code in to
the MyMazda app after confirming it on the vehicle’s head-unit display during
Connected Services enrollment.
You can SIMULATE Connected Services functions in Guest Mode (not connected to a vehicle)
by simply selecting "Guest Mode" from the MyMazda app login screen. Then, select applicable
What Connected
vehicle to see how Connected Services features like Remote Start and Vehicle Status look on
Services functions can be the MyMazda app.
accessed in Guest
Guest Mode also provides helpful features, including dealer search,
Mode?
recommended maintenance schedule, manuals and guides, Roadside Assistance and a
variety of other Menu options.
Register for a MyMazda account and enroll in Connected Services to experience the full suite
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of features.
Can multiple users
No, additional users must use email addresses that are not currently used on the MyMazda
be registered under
app and MyMazda Web.
the same email address?
What about
loaner vehicles? Will
the Connected
Services functions be
activated?
Connected Services functions can easily be activated on applicable models via the MyMazda
app, even a loaner. If a customer utilizing the loaner activates their phone, after returning the
loaner, the dealer (or next customer) can override at any time via MyMazda app.
For security purposes, dealer processes will need to be in place to terminate Connected
Services from former driver when loaner vehicle is returned.
Can I register more
than one vehicle under
the same Mazda
Connected Services
account?
Yes, you can register up to five (5) vehicles under the same
account.
How do I
unsubscribe from
Connected Services?
If you are subscribed to Connected Services, you may
unsubscribe at any time via the MyMazda app, using the
following directions:
1. Go to “hamburger menu” (i.e., three vertical lines icon)
on the top right of the app screen.
2. Tap MyMazda.
3. Tap My Vehicle.
4. Tap on “more options menu” (i.e., three vertical dots
icon) on the top right of the app screen.
5. Tap on “Unsubscribe Connected Services”.
6. Confirm pop-up warning message.
CAUTION:
• If the customer has a Paid Subscription plan, the
customer must go to owners.mymazda.com and
select Manage Billing > Cancel plan. The
subscription will finish at the end of the current billing
cycle, and you won't be charged again.
• If customer has an active In-Car WiFi contract, the
customer must contact the carrier and cancel In-Car
WiFi service.
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How do I delete
my vehicle from
the MyMazda app?
When parting with a Mazda vehicle that used Connected
Services, but you are planning to use another Mazda
vehicle, delete the vehicle registration information used by
Connected Services via the following steps:
1. Tap "My Vehicles" from the MENU.
2. Tap “Edit Vehicle” from the Action Tab.
3. Tap [DELETE VEHICLE].
4. Read the WARNING carefully, and tap [CONFIRM] if
you are sure you wish to delete the vehicle.
You will automatically be withdrawn from Connected
Services at the same time. As your customer information
will remain in the system, if you are planning on using
a Connected Services-capable Mazda vehicle afterwards,
you can continue using the MyMazda app by registering the
vehicle.
CAUTION:
• If the customer has a Paid Subscription plan, the
customer must go to owners.mymazda.com and
select Manage Billing > Cancel plan. The
subscription will finish at the end of the current billing
cycle, and you won't be charged again.
• If customer has an active In-Car WiFi contract, the
customer must contact the carrier and cancel In-Car
WiFi service.
How do I delete
my account from
the MyMazda app?
You can delete your account from the MyMazda app
entirely using the following directions:
1. Tap “PROFILE” from the MENU.
2. Tap “Edit Profile” from the Action Tab.
3. Tap [DELETE ACCOUNT].
4. Read the WARNING carefully, and tap [CONFIRM] if
you are sure you wish to delete your account. By deleting
your account, you are withdrawn from Connected
Services automatically, and the vehicle registration
information connected to your account is deleted.
CAUTION:
• If the customer has a Paid Subscription plan, the
customer must go to owners.mymazda.com and
select Manage Billing > Cancel plan. The
subscription will finish at the end of the current billing
cycle, and you won't be charged again.
• If customer has an active In-Car WiFi contract, the
customer must contact the carrier and cancel In-Car
WiFi service.
Does deleting
my MyMazda app
Yes, deleting your MyMazda account ends your subscription to Connected Services.
CAUTION:
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account cancel my
Connected Services
subscription?
• If the customer has a Paid Subscription plan, the customer must go to
owners.mymazda.com and select Manage Billing > Cancel plan. The subscription will
finish at the end of the current billing cycle, and you won't be charged again.
• If customer has an active In-Car WiFi contract, the customer must contact the carrier
and cancel In-Car WiFi service.
Download the MyMazda app and follow the registration instructions. If Connected Services
was previously enabled, a message will appear in the MyMazda app during the registration
How do I start Connected process, notifiying new owner they'll be taking over Connected Services from previous owner.
Services as the second
owner of the vehicle (i.e., NOTE: The previous owner of the vehicle will receive an email with the following contents:
if vehicle was purchased Subject: Notification of unsubscribe.
used or Certified)?
Body: Your connected service account has been unsubscribed. The primary user account has
been taken over by another user. Do not reply to this message. If you have questions, please
visit https://www.mazdausa.com/contact-us.
WI-FI General Information
FAQ
What is in-vehicle Wi-Fi?
Answer
In-vehicle Wi-Fi lets you use your vehicle as a Wi-Fi hotspot so you can
connect to the internet and stream media such as music, video and so on.
Yes. You can take advantage of the free trial through:
Do I need a wireless plan to access the
internet with my vehicle’s Wi-Fi hotspot?
• Applicable Mazda3 and CX-30 (built before July 1, 2021) - Verizon
that’s good for 2GB or 6 months
• Applicable Mazda3 and CX-30 (built July 1, 2021 and later) - AT&T
that's good for 2GB or 3 months
• Applicable CX-5, CX-50, CX-70, CX-9, CX-90, MX-30, MX-5 - AT&T
that's good for 2GB or 3 months
whichever comes first.
After the free trial period, you can sign up to Verizon’s/AT&T wireless plan to
continue services.
How do I set up the in-car Wi-Fi
hotspot?
The in-car Wi-Fi hotspot is a separate service provided by Verizon/AT&T for
Mazda vehicles.
Verizon will be the service provider for applicable Mazda3 and CX-30
vehicles, with all service agreements being made between Verizon and the
customer.
AT&T will be the service provider for applicable CX-5, CX-50, CX-70, CX-9,
CX-90, MX-5 and MX-30 vehicles, with all service agreements being made
between AT&T and the customer.
Using your device, discover the vehicle's designated SSID and use the
appropriate password to set up. Or, you can check for instructions within
MyMazda by accessing QUICK LINKS and tapping "In-Car Wi-Fi."
Will devices automatically connect to
the hotspot after setup?
Yes. Following setup, devices within range will automatically connect to the
hotspot as long as their Wi-Fi is enabled.
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As the Wi-Fi uses Verizon, your Mazda uses America’s largest and most
reliable 4G LTE network. Download speeds typically run between 5 and 12
Mbps, with peak download speeds reaching up to 50 Mbps.
What is the download speed?
If you reach the limits list below, simply continue services by signing up for
Verizon’s/AT&T's wireless plan. Verizon/AT&T offers an unlimited plan for $20
per month.
What happens if I reach my Wi-Fi data
limit during my subscription?
• Verizon applicable Mazda3 and CX-30 (built before July 1, 2021) - 2GB
/ 6-month free trial
• AT&T applicable Mazda3 and CX-30 (built July 1, 2021 and later) 2GB / 3-month free trial
• AT&T applicable CX-5, CX-50, CX-70, CX-9, CX-90, MX-5 and MX-30 2GB / 3-months free trial
How many devices can be connected to
You can connect up to five (5) devices to the Wi-Fi hotspot at a time.
the Wi-Fi hotspot at any given time?
Am I able to check how much data I've
used each month once I have a Wi- Fi
subscription?
During the free trial, you can monitor how much of the 2GB / month limit
was used. If you enroll in Verizon’s/AT&T's $20-per-month unlimited plan,
there will be no data limit.
Where will I have Wi-Fi coverage?
Within the United States, Connected Services uses Verizon’s network,
America’s largest and most reliable 4G LTE network. When driving in Canada,
roaming is available, with up to 512 MB per day available at 2G speeds.
Can an owner use a different Wi-Fi
provider than Verizon in the future?
No, only Verizon/AT&T. This platform is hard-coded to only function with
Verizon/AT&T services. Consideration is being offered for greater flexibility
with future generation platforms.
If my Connected Services free trail
ends, do I need to cancel my In-Car
WiFi service
Yes, the customer will need to contact the carrier and cancel the In-Car WiFi
contract.
Note: If the customer switches to a paid subscription plan, In-Car WiFi service
will be available.
WI-FI How-To
FAQ
Answer
How do I connect a device to my
vehicle’s Wi-Fi hotspot?
Using your device, discover the vehicle’s designated SSID and use the
appropriate password.
How do I turn the Wi-Fi hotspot on/
off?
First, access the Wi-Fi Settings menu:
1. Select Settings from the Mazda Connect MENU.
2. Select Connectivity.
3. Select Wi-Fi Settings.
From here, you can turn the Wi-Fi off or on. You can also set a designated SSID
and password, much like you would with a home router.
You can manage the Wi-Fi password by following these steps:
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If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
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View Latest Vehicle Investigations
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TSB/Document ID: SA-042-26
Replacement Service Bulletin Number:
MFR Communication Date: 2026-07-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem: Mazda Connect
Previous TSB | Next TSB |
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