NHTSA ID Number: 11022717
Manufacturer Communication Number: SA-009-25a
TSB/Document Date: 2025-09-04
Summary
Some customers may experience a Connected Vehicle failure. The MyMazda App may display an Error Code. This document provides Error Code description and recovery information to assist with repairs.
BULLETIN NOTES
This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red.
Previous SAs:
Date(s) Issued:
SA-009/25
02/18/25
SA-064/24
09/23/24
APPLICABLE MODEL(S)/VINS
2019-2026 Mazda3
2021-2023 CX-9
2024-2026 CX-90 (All)
2020-2026 CX-30
2022-2023 MX-30
2024-2026 MX-5
2021-2025 CX-5
2023-2026 CX-50 (All)
2025-2026 CX-70 (All)
DESCRIPTION
Some customers may experience a Connected Vehicle failure. The MyMazda App may display an Error Code. This
document provides Error Code description and recovery information to assist with repairs.
Index
•
•
•
•
•
System Structure Outline
MYMAZDA App Connected Vehicle (CV) Error Codes
Vehicle Confirmation Instructions
Troubleshooting Instructions
Resources
System Structure Outline
Page 1 of 40
08/25/2025 10:47 AM tlawrenc
A - MyMazda App
• User interface about operation / information
Main Function
(1) - Data
• Communication through customer network
B - System Center
• User / Contract information management system operation
C - Local Carrier
• Communication network provider
• Data, SMS and Voice
D - Vehicle
• System operation based on order by Telecommunication Module (TCU)
• TCU with SIM, works like smartphone
E - Service Provider (Canada)
• Additional service provider
Workflow Outline
Page 2 of 40
08/25/2025 10:47 AM tlawrenc
>Remote control function
(engine start, door lock, EV A/C,
location confirmation, ...)
A - MyMazda App
(1) - Request
(2) - Operation result
B - System Center
C - Local Carrier
D - Vehicle Operation
E - Service Provider (Canada)
>Notification function
(door unlock, EV charging status,
burglar-alarm, ...)
A - MyMazda App
(1) - Detected information
B - System Center
C - Local Carrier
D - Vehicle Detection
E - Service Provider (Canada)
Page 3 of 40
08/25/2025 10:47 AM tlawrenc
Private e-call
Canada only
>Connection to 3rd party service
(Private e-call, ...)
A - MyMazda App
(1) - Call
(2) - Response
B - System Center
C - Local Carrier
D - Vehicle Operation
E - Service Provider (Canada)
MYMAZDA App Connected Vehicle (CV) Error Codes
Index
Error Codes
200***
400S04
400S15
401C00
400C00
400S05
400S16
403C00
400C01
400S06
400S17
409C00
400C02
400S07
400S18
500C00
400C03
400S08
400S19
500C01
400C04
400S09
400S20
500C02
400C05
400S10
400S21
500C03
400C06
400S11
400S22
500C06
400S00
400S12
400S23
500C07
400S01
400S13
400S24
E401005
400S03
400S14
400S25
E900500
Error Messages
Internal Usher SDK error
Multiple devices detected
Page 4 of 40
08/25/2025 10:47 AM tlawrenc
Enrollment in Progress
Vehicle Confirmation Instructions
200***
Description
The request was completed successfully [200***]
Customer
No action needed
Dealer
No action needed
Description
This occurs when the customer's input information contains an invalid value
or a required value does not exist.
MyMazda App Message Please check the input and try again. [400C00]
Process Flow
400C00
Customer
Confirm input data (ex. input alphabet into
the area which is required number)
Check that there are no blanks in required
input fields.
Dealer
If there are no abnormalities in the input
values, there may be a problem with the
system center -> Go to " Troubleshooting
Instructions".
Confirmation/Recovery
400C01
Description
It occurs when customer's input contains invalid value or there is blank at
required items.
Please check the input and try again. (400C01)
MyMazda App Message
Page 5 of 40
08/25/2025 10:47 AM tlawrenc
Process Flow
Customer
Wait several minutes and try again.
Review the input data and try again.
Dealer
If the error continues to occur, there may be
a problem with the system center -> Go to "
Troubleshooting Instructions".
Confirmation/Recovery
Description
It occurs when the request (date information) is incorrect.
MyMazda App Message Please check the date input and try again. [400C02]
Process Flow
400C02
Confirmation/Recovery
400C03
Description
Customer
Review the input data and try again.
Dealer
If the error continues to occur, there may be
a problem with the system center -> Go to "
Troubleshooting Instructions".
This occurs when the customer's input information contains invalid values.
MyMazda App Message Please check the input and try again. [400C03]
Page 6 of 40
08/25/2025 10:47 AM tlawrenc
Process Flow
Customer
Review the input data and try again.
Wait about 5 minutes and try the operation
again.
Dealer
If the error continues to occur, there may be
a problem with the system center -> Go to "
Troubleshooting Instructions".
Confirmation/Recovery
This occurs when there is no data matching the conditions in the process of
checking the vehicle status using services such as Remote Control or
Vehicle Status.
Main factors;
Description
• When adding VIN or searching from MCVV, a VIN that was not
registered at the center was specified due to a VIN input error.
• Files are not uploaded from the onboard device (time lag in ofn files,
etc.).
MyMazda App Message Please check the input and try again. [400C04]
400C04
Process Flow
Confirmation/Recovery Customer
Wait about 5 minutes and try the operation
again.
Turn on IG-on, check the reception strength
icon at the bottom right of the center display.
Page 7 of 40
08/25/2025 10:47 AM tlawrenc
If the reception is poor, the function cannot
be executed.
Dealer
Description
Go to Vehicle Confirmation Instructions.
Occurs when there is no data matching the conditions during processing (ex.
inbox update process)
MyMazda App Message Please check the input and try again. [400C05]
Process Flow
400C05
Confirmation/Recovery
400C06
Description
Customer
Review the input data and try again.
Dealer
If there are no abnormalities in the input
values, there may be a problem with the
system center -> Go to " Troubleshooting
Instructions".
Occurs due to a processing error at the system center (call processing
error).
Please check the input and try again. (400C06)
MyMazda App Message
Page 8 of 40
08/25/2025 10:47 AM tlawrenc
Process Flow
Customer
Review the input data and try again.
Wait about 5 minutes and try the operation
again.
Dealer
If there are no abnormalities in the input
values, there may be a problem with the
system center -> Go to " Troubleshooting
Instructions".
Confirmation/Recovery
Description
This occurs because "Cancel" was selected in response to a push
notification for an approval request.
MyMazda App Message
Please wait for a while and try again. If the error error continues, please
contact the call center. [400S00]
Process Flow
400S00
Confirmation/Recovery
400S01
Description
Customer
Retry the operation again.
Dealer
This is a system error and may or may not
be resolved by repeated retries.
If the error continues to occur, there may be
a problem with the system center -> Go to "
Troubleshooting Instructions".
Occurs when the next remote operation is performed before the previous
remote operation request has completed.
In addition, it occurs in the following cases;
All steps were not completed when replacing the TCU, and keys
could not be exchanged.
Page 9 of 40
08/25/2025 10:47 AM tlawrenc
Remote operation is in progress. Please wait for a while and try again.
(400S01)
MyMazda App Message
Only one remote request can be completed per 60-second period.
Cause
Multiple execution of remote control.
Process Flow
Confirmation/Recovery
Customer
Wait for a response to the previous request,
or wait 5 minutes and try again.
Make sure that the vehicle keys are not left
inside the vehicle. → If it remains, it cannot
be executed.
Check to see if any operations, such as
opening a door, are being performed
between the time the operation is performed
and the response is received from the
vehicle. → Cannot be executed if there is an
operation.
Turn on IG-on, check the reception strength
icon at the bottom right of the center display.
If the reception is poor, the function cannot
be executed.
Page 10 of 40
08/25/2025 10:47 AM tlawrenc
Dealer
Follow the Vehicle Confirmation Instructions.
Description
This occurs when the data in question does not exist, has already been
deleted, or the input data is incorrect when deleting a user.
MyMazda App Message
Target data is not available. This data has already been deleted or is
incorrect. [400S03]
Cause
Because there are cases where conditions are not met, and where even if
conditions are met, it may be deleted depending on the timing of processing.
400S03
Process Flow
Confirmation/Recovery
400S04
Customer
Review the input data and try again.
Dealer
If the error continues to occur, there may be
a problem with the system center -> Go to "
Troubleshooting Instructions".
Occurs when a remote engine stop request is made when the vehicle is in
one of the following conditions;
• Remote engine start is not requested
- 💯【Conta.ct us for Support Directly】If you met any...
- 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW...
- 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS...
- 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full...
- 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE...
- 【TURN OFF CEL】 This AL319 car scanner diagnostic tool...
- 【EXTENSIVE APPLICATION】 Autel AL319 Compatible with...
- 【FOR END USER & DIYERS】 This error code reader AL319 is...
- 【USER-FRIENDLY DESIGN】 This OBD2 scanner and check...
- 【HIGH-QUALITY SERVICES】 12 months war.ranty from the...
Last update on 2026-06-12 / Affiliate links / Images from Amazon Product Advertising API
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
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: SA-009-25a
Replacement Service Bulletin Number:
MFR Communication Date: 2025-08-22
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem: Connected Vehicle
Previous TSB | Next TSB |
- OBD2 Bluetooth Scanner Lifetime Update: Ediag Elite offers revolutionary Advantage Lifetime Updates with unlimited access to the superior 15+ reset service, bidirectional testing and full system diagnostics.The Ediag Elite is an excellent Bluetooth OBD2 scanner diagnostic tool ideal for DIY's and private car owners.
- Bidirectional Control for Quickly Locating Problems: The Bidirectional Scan tool allows you to send commands directly from your smartphone to your vehicle for active testing. This feature helps to quickly narrow down problems such as air conditioning clutches, windows, doors, sunroofs, etc., reducing diagnostic time for mechanics and helping DIY users locate faults more easily. In addition, Ediag Elite provides fault analysis and repair guidance to help you solve problems efficiently.
- 15+ Maintenance Resets: The current version introduces 15+ popular special features: Oil Reset, Headlight Matching, Bleeding Reset, TPMS Reset, BMS Reset, Gear Box Relearn, EGR Learning, Throttle Learning, Injector Coding, SAS Reset and more special functions in system diagnose menu. These functions make it easy for owners to carry out the necessary maintenance and servicing, ensuring that your vehicle stays in top condition, prolonging its service life and preventing common problems and breakdowns. Note: The Special function vary by model& year, Reach us check compatibility.
- Wide Compatibility CANFD & FCA
Autoauth: Compatible with GM, Ford, Toyota, Chrysler, Honda, Mazda, Nissan, Mitsubishi, Hyundai, KIA with standard OBD2 port from 1996 to newer. More car brands and features will be released gradually. Newest Ediag Elite scanner supports CANFD Protocol and FCA cars. Note: Coverage may vary on different vehicle by model& year ,Please contact us to confirm compatibility before purchase. - Perfect for Monitoring The Health of Your Vehicle: Ediag Elite is designed to make vehicle maintenance simple and efficient. With intelligent AutoVIN quick recognition, it is easy to connect to your car without the need for manual input. Real-time data is visualized in a variety of formats, including graphs, numeric, meter displays and clear 4-in-1 data charts, allowing you to effortlessly monitor real-time performance. Data logging/reporting is available for playback and further analysis.
- No Annual Fees & 2026 Upgraded CAN FD: Why pay $199/year or more for updates? The 2026 newest Kingbolen K7 obd2 scanner features have been upgraded to Lifetime Updates without subscription fees, saving you significant costs in the long run. K7 scan tool also adds the CAN FD protocol for the latest GM models (2019+), enabling faster data transfer, reducing the risk of undetected errors
- 2026 Newest Top-tier Car Scanner: Kingbolen K7 diagnostic scan tool is equipped with most capabilities for daily repair/maintenance: Wireless diagnosis via Bluetooth, Bidirectional Test, ECU Online/Offline Code, 31+ Resets, PMI for Ford, Lincoln, Mazda, Global version for 100+ brand vehicles and 17 languages, no area limit, FCA AutoAuth
- OE-Level Full Systems Scan Tool: K7 professional diagnostic scanner with Auto Vin can do one-click to scan ECUs on most of vehicles, like pcm, ecm, eps, bcm, tpms, sas, a/c system... to read/clear code, view live data, freeze frame, read ecu info. 4-in-1 data stream graphics can make data viewing more intuitive. Detailed diagnostic reports will help you easily master the car situation as it can be shared by bluetooth or email! Adding workshop information can help your customers to know more
- Bidirectional Test/Active Test & ECU Code: Stop guessing and start fixing. Bidirectional scan tool Kingbolen K7 can perform real active test that can send commands to the vehicle's ECU to drive the actuators to work, like window, rear mirrors, sunroof, door, solenoids, wipers, headlamp, etc, helping you quickly find out bad parts and pinpoint faulty issues. K7 bidirectional scanner will be a good choice to save money and time on car repairs when performing complex maintenance and repair
- 31 Reset Functions: Avoid expensive dealership visits for simple services. Experience tells us that just a small repair service may cost a lot of money. Kingbolen K7 is a professional diagnostic scanner with 31 common maintenance services like Oil /SAS/EPB/TPMS Reset, Battery Matching, ABS Bleeding, Injector Code, etc. It effectively handles most of the car reset and relearning jobs, perfect for experienced DIYers and mechanics. Note: Functions in the menu vary across vehicles. Kindly check the compatibility before purchase
- 【Cost-effective Diagnostic Scan Tool】Lifetime updates without fee, No subscription fee required, No IP restrictions, Ediag Elite bluetooth scanner stands out. It can perform in-depth Full System diagnostics,15+ Reset Services, powerful Active Test, CANFD & FCA AutoAuth. Connect your phone via Bluetooth for diagnosis, providing a faster, smarter and smoother diagnostic experience. Easy to put in pocket, convenient to carry, keep track of the car's status anytime, anywhere. Best bang for your bucks.
- 【15+ Reset Service, Easy Problem Solving】 KINGBOLEN Ediag Elite obd2 scanner diagnostic scan tool comes with 15+ professional reset functions, including: Oil Reset, ABS Bleeding, Injector Code, SAS Reset, TPMS Reset, BMS Reset, AFS Reset, Sunroof Calibration, Brake Reset and more special functions in system diagnose menu. The ideal bluetooth scanner for mechanics and DIY enthusiasts, which can save unnecessary maintenance costs and significantly shorten repair time.
- 【Comprehensive Full Systems Diagnostic】 The Ediag Elite obd2 scanner bluetooth supports full system In-Depth diagnosis. It can read/clear fault codes, read real-time data/freeze frame, module information, and perform testing and reset functions for ECM, BCM, ABS, SRS, TPMS, TCM, BMS, SAS, A/C & RTM systems ect. It works with most car models after 1996, cover more than 150+ car brands. Supports 22 global languages for your convenience(EN, FR, ES, DE, IT, RU, PT, JP, TU...)
- 【Powerful Bidirectional Scan Tool & Active Test】 The obd2 code reader for Ediag Elite can perform real time active test that can send commands to the vehicle’s ECU to drive the actuators to work, such as turn on the radiator fan, modulate the throttle, open/close windows, etc. It can help you quickly find out the bad components and the cause of the fault, which can save you a lot of time. With BT 5.2 wireless connectivity, you can enjoy wireless diagnostics up to 33 feet.
- 【FCA AutoAuth & CANFD Compatibility】 Ediag Elite scan tool offers support with FCA Gateway Access, allowing you to perform protected functions on FCA vehicles, including Chrysler, Dodge, Jeep, Alfa Romeo, Fiat vehicles, etc.(Note:just allows you to access the FCA, but need to have your own FCA account) Supports the CAN-FD protocol, provide high-speed vehicle diagnostic communication and data transfer, working perfectly on GM vehicles produced after 2020, saving $100 to buy a CAN FD adapter.
Last update on 2026-06-12 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.