NHTSA ID Number: 11034443
Manufacturer Communication Number: SA-039-26
TSB/Document Date: 2026-07-03
Summary
This Service Alert supersedes the previously issued SA listed below. The changes are noted in Red text. SA-012/25 10/06/25, 08/21/25, 05/15/25 and 02/27/25 DESCRIPTION Customers having MAZDA
CONNECT concerns should have their vehicle repaired using the following repair procedure. REPAIR PROCEDURE NOTE: Before proceeding: Document the vehicle's current MAZDA CONNECT CMU software version. • 2019-2022 Models - Go to TSB 16-003/23 and confirm the CMU Serial Number is not within the affected range. • Document customer device Brand/Model/Model Number/software version on the repair order. • Confirm that the Connectivity Master Unit (CMU) is updated to the latest software version. Go to MGSS -> Infotainment -> MAZDA CONNECT Updates ○ • If possible, complete the Microsoft Forms Questionnaire. Go to MGSS -> Infotainment -> MAZDA CONNECT Questionnaire.
Yes - No issue on vehicle
side. Go to
• A - Customer iPhone
Device
Troubleshooting
2
Pair a different good known phone device to the vehicle. Does the newly
paired device connect to Wireless Apple CarPlay normally?
or
• B - Customer
Android Device
Troubleshooting
No - Go to C - Vehicle
Troubleshooting.
A - Customer iPhone Device Troubleshooting
1
Restart your iPhone.
Does Wireless Apple CarPlay operate normally?
Yes - Repair
complete
No - Go to next step
Yes - Go to next step
2 Is the device at the latest version of IOS?
Is Bluetooth and Wi-Fi enabled?
3
No - Update the
device IOS version
and then retry.
Yes - Go to next step
No - Enable Bluetooth
and Wi-Fi then retry
connection.
Page 17 of 35
06/16/2026 02:24 PM tlawrenc
Is Siri enabled?
Yes - Go to next step.
Go to Settings --> Apple Intelligence & Siri
• Confirm "Allow Siri When Locked" is enabled.
4
No - Enable Siri and
then retry.
Select Talk & Type to Siri
Page 18 of 35
06/16/2026 02:24 PM tlawrenc
• Confirm "Off" is NOT selected.
Confirm the CarPlay App is enabled.
Go to Settings --> Screen Time --> Content & Privacy Restrictions --> Allowed
5 Apps & Features
Is CarPlay enabled?
Yes - Go to next step.
No - Enable CarPlay
and retry
Page 19 of 35
06/16/2026 02:24 PM tlawrenc
Confirm the vehicle is enabled.
Go to Settings --> General --> CarPlay --> Select your vehicle.
Is CarPlay enabled?
Yes - Go to next step
6
No - Enable CarPlay
and retry
Select "Forget This Car", then set up CarPlay again.
7 Does Wireless CarPlay now operate normally?
Yes - Repair
complete
No - Go to next step.
Page 20 of 35
06/16/2026 02:24 PM tlawrenc
Possible phone pairing issue.
a. Delete the Paired Device
Yes - Repair
complete
• Go to Vehicle Infotainment "Settings" --> Connectivity Settings -->
Bluetooth/Phone Connectivity Settings --> Delete Paired Device
• Select your device (A) and then select "Delete" (B).
8
b. Re-pair the device.
Note: When pairing the device, make sure to select:
No - Go to "Vehicle
Troubleshooting".
• Phone - Connect to CarPlay --> "Connect"
• Vehicle - Enable Apple CarPlay --> "Always Enable"
Phone:
Page 21 of 35
06/16/2026 02:24 PM tlawrenc
Vehicle:
Is Wireless CarPlay operating normally?
B - Customer Andrid Device Troubleshooting
1
This procedure is pending
N/A
C - Vehicle Troubleshooting
Is the CMU at the latest software level?
1
Go to MGSS --> Infotainment/TCU --> MAZDA CONNECT Updates"
Yes - Go to next
step
"No - Update the
CMU software
version and then
retry.
Is Bluetooth disabled (unchecked)?
Yes - Go to next
Go to Settings --> Connectivity Settings --> Bluetooth/Phone Connectivity Settings step
--> Bluetooth.
2
No - Uncheck
Bluetooth and then
retry connection.
Note: Wireless CarPlay uses a WiFi connection, not Bluetooth. If Bluetooth is
checked, Wireless CarPlay will not function.
Confirm CarPlay is set to "Always Enabled".
Select Phone Device
3
Yes - Go to next
step.
No - Select "Always
Enabled" and then
retry connection.
Page 22 of 35
06/16/2026 02:24 PM tlawrenc
Select Apple CarPlay Settings
Is "Always Enabled" Selected?
Possible phone pairing issue.
a. Delete the Paired Device
Yes - Repair
complete
• Go to Vehicle Infotainment "Settings" --> Connectivity Settings -->
Bluetooth/Phone Connectivity Settings --> Delete Paired Device
• Select your device (A) and then select "Delete" (B).
4
No - Go to next
step
b. Re-pair the device.
Note: When pairing the device, make sure to select:
Page 23 of 35
06/16/2026 02:24 PM tlawrenc
• Phone - Connect to CarPlay --> "Connect"
• Vehicle - Enable Apple CarPlay --> "Always Enable"
Phone:
Vehicle:
Is Wireless CarPlay operating normally?
Perform infotainment Factory Reset.
Go to No. 20 Infotainment Factory Reset
5
Yes - Repair
complete
No - Contact
Hotline for technical
support.
IMPORTANT NOTE: This will remove all customer personal information and
restore all settings to the factory defaults.
Re-pair customer's device (see step 4). Does the device connect to Wireless
Apple CarPlay normally?
No. 12 How to Check CMU Software Version
Page 24 of 35
06/16/2026 02:24 PM tlawrenc
CX-5 and CX-9
Go to Diagnostic Assist
Function
Except CX-5 and CX-9
Press and hold the Volume
knob, then press and hold the
1
Entertainment and Favorites
buttons at the same time for 35 seconds and the Factory /
Service Inspection screen will
appear.
2 Select "Service Information"
3
Select "Connected Device
Information"
4 Select "CMU"
Page 25 of 35
06/16/2026 02:24 PM tlawrenc
5
ECU Software Number = CMU
Software Version
A = Model ID
B = Software Version
No. 13 How to Check VIN
1
Use MGSS DIAGNOSTIC ASSIST
FUNCTION and select Diagnostic Test.
2 Select Vehicle Information verification.
3 Document the VIN.
4 Does the VIN match the vehicle?
Yes
Inspection Complete.
No
Swap CMU(s) to correct vehicle(s) or
Page 26 of 35
06/16/2026 02:24 PM tlawrenc
replace CMU.
No. 14 How to check the Navigation SD Card Map Software Version
2024 CX-90 Example shown below:
Navigation Map Software Version 21Q207082C
Website shows available map software version 23Q2 and release date
1. From main infotainment
Dec, 2023.
screen, select "Navigation"
2. Select "Menu"
3. Select "Travel Information"
4. Select "About"
5. Navigation Map Software
Version is displayed
Navigation Map Software Version Updated to 23Q2
No. 15 How to update the Navigation SD Card Map
Go to Mazdausa.com
Select Owners → How to Use → Add vehicle year/model → VEHICLE RESOURCES → NAVIGATION
SYSTEM → Map Update Guide
Note:
Page 27 of 35
06/16/2026 02:24 PM tlawrenc
• Gen 7 Infotainment uses 2 different Mazda Toolboxes. Go to MGSS --> Infotainment/TCU -> Navigation Map Updates to select the correct Mazda Toolbox.
• No map update available for CX-70, 2024-Current MX-5. Navi SD Card replacement only.
These vehicles are equipped with a Hybrid Navigation system.
○
License Error
message in Mazda
Toolbox
Customer is locked out of map update on Mazda Toolbox due to unauthorized or
counterfeit navigation SD card.
How to unlock the customer account in Mazda Toolbox
1. Purchase a Genuine Mazda Navigation SD card.
2. Install new Genuine Mazda Navigation SD card.
Page 28 of 35
06/16/2026 02:24 PM tlawrenc
Free map update
period has expired
Customer needs to go to "Buy content" to purchase map update.
No. 16 How to Check Navi SD Card VIN Lock
Go to:
• Except CX-70, CX-90, 2024-Current MX-5 - Mazda Toolbox (Version 5)
• CX-90 - Mazda Toolbox
NOTE: No map update available for CX-70, 2024-Current MX-5. Navi SD Card replacement
only.
These vehicles are equipped with a Hybrid Navigation system.
○
○
Navi SD Card VIN
Unlocked
(VIN is blank)
Page 29 of 35
06/16/2026 02:24 PM tlawrenc
Navi SD Card VIN
Locked
(VIN is present)
No. 17 How to Report Navigation Map Error or Missing Location
Navigation system does not contain a road that I know it exists and I am certain I have the most recent
map update available.
1.
Advise the customer to go to mapcreator.here.com
2.
Customer will need to create a mapcreator.here.com Log In
3.
Customer can use the HERE website to report map error or missing location. Point, click and report
missing address.
Note: Inform the customer that the map correction may take up to 6 months to appear on the latest
map update.
No. 18 Over the Air (OTA) CMU Software Update
• CX-50 only (other models will Push notification (Information icon “i”) - System checks every 7 days
follow)
• Available after MGSS CMU
software 7000C0A-NA05_
11014 update.
• MAZDA CONNECT OTA
Update Instructions
• Requires a clear view of the
sky
• Soft Update Only
• Software fix details are not
provided (Details provided on
MGSS)
No. 19 Infotainment Factory Reset
Infotainment Factory Reset
Page 30 of 35
06/16/2026 02:24 PM tlawrenc
1. From the Main Menu, go to "Setting"
2. Select "System Settings"
3. Select "Restore All Factory Settings"
Note: This will remove all customer personal
information and restore all settings to the
factory defaults.
4. Select "Restore"
5. After Restoring is complete, the system
will reboot.
No. 20 Tech Tips
Page 31 of 35
06/16/2026 02:24 PM tlawrenc
The CX-5, CX-9, and 2024–present MX-5 models do not display individual tire
pressure values on the infotainment center display or within the MyMazda App. This
is an expected system behavior and does not indicate a malfunction.
Infotainment Center Display
(A) Tire Pressure data is not displayed
(B) The message is incorrect.
MyMazda App
Tire pressures are
not displayed on
either the
1
infotainment
center display or
the MyMazda app
Note:
• Gen 6 vehicles (CX-5, CX-9 and MX-5)
Equipped with TPMS warning light only.
○
Page 32 of 35
06/16/2026 02:24 PM tlawrenc
• Gen 7 vehicles
Equipped with tire pressure data and tire location which is displayed in
the infotainment center display and in the MyMazda App.
○
Current CX-5, CX-9 and MX-5 vehicles are now equipped with the Gen 7
infotainment system; however, tire pressure data is not displayed.
Outside iPhone Caller Setting
Outside iphone caller sound quality can
be improved by changing the Audio &
Video settings to "Voice Isolation*"
1. Go to Settings
2. Select "Accessibility"
Outside iPhone Caller Setting, during
a call
Outside iphone caller sound quality can
be improved by changing the Audio &
Video settings to "Voice Isolation*"
1. During your call, swipe down from the
top-right corner of your screen to open
Control Center.
2. Select Phone Controls
Outside iPhone
caller experiences
poor sound quality
2 (wind noise, air
noise, static,
hissing
sound.......ect)
3. Select Voice Isolation*
3. Select "Audio & Visual"
Page 33 of 35
06/16/2026 02:24 PM tlawrenc
4. Enable "Add Voice Isolation"
* To use Voice Isolation during a phone call, you need:
• iOS 16.4 or later.
iPhone XR, iPhone XS models, and later
○
Page 34 of 35
06/16/2026 02:24 PM tlawrenc
WARRANTY INFORMATION
NOTE: CMU replacement with older software version and/or without proper troubleshooting documentation may result in
a warranty claim debit.
Page 35 of 35
06/16/2026 02:24 PM tlawrenc
- Advanced VCI Box, Industry-leading J2534 Pass-Thru...
- High-Speed OEM-Level Diagnostics & Programming: Unlock true...
- Coverage for 17 Car Brands & Ultra Reliability: Works...
- User-Friendly RLink Platform & Expert Support: TOPDON’s...
- 6.6 ft USB-C Cable & Portable Storage Case: The RLink J...
Last update on 2026-06-23 / 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-039-26
Replacement Service Bulletin Number:
MFR Communication Date: 2026-06-16
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem: Mazda Connect
Previous TSB | Next TSB |
- [Notice] When you receive a used device, it may be a customer return resold by Amazon without inspection. You can exchange it for a new one through Amazon. As this situation is unavoidable, we sincerely apologize. For any issues, contacting us via Amazon's "Messages" is the best way. THINKSCAN 689BT Bidirectional Scan Tool Can Be Used Immediately After It is Turned On, Without Complicated Registration Process, Which is More Convenient & Quick.
- Full Bi-Directional Control & 3000+ Active Tests: Take control and test components like actuators, fuel injectors, relays, and cooling fans in real time. You’ll quickly see if the problem is in the part itself or the control module — saving you hours of guesswork and frustrating trial-and-error.
- Advanced ECU Coding Capabilities: Handle module matching and hidden feature activation with confidence. When you replace an ECU or want to customize settings, this obd2 scanner diagnostic bi directional tool gives you the professional-level capabilities you need without the dealership price tag.
- 34+ Useful Reset and Maintenance Functions: Complete everyday service tasks smoothly with a wide range of helpful reset and maintenance functions. Whether you’re keeping up with regular upkeep or tackling a specific job, this scanner makes maintenance simpler and less stressful for both DIYers and pros.
- Comprehensive Full System Diagnostics: Diagnose every major system — Engine, Transmission, ABS
, SRS, TPMS, and more — all in one place. Finally stop wondering if you’re missing something important; get the full picture and clear codes with ease.
Last update on 2026-07-02 / Affiliate links / Images from Amazon Product Advertising API
- Top Reasons to Choose the D7S OBD2 Scanner: XTOOL D7S car scan tool, an upgrade of XTOOL D7, offers comprehensive features for automotive technicians, workshops, and DIY enthusiasts 1. Upgraded Hardware: 2+64GB memory, rear camera, intuitive interface, foldable bracket 2. Complete Diagnostics: FCA Autoauth, OE-level all system scan, 39+ maintenance services, 4K+ bidirectional, CANFD/DoIP protocol 3. Advanced Capabilities: ECU c0ding, PMI functions 4. Wide Compatibility: Support 10,000+ models, covering 99% vehicle brands 5. Multi-language: Available in 22+ languages, No IP Restrictions 6. 3-Year Updates: Save 300 bucks on software updates for the latest features and optimizations
- 2026 Upgraded D7S Car Scanner Features: The newly 2026 D7S V2.0 scanner for car brings exciting features for advanced vehicle diagnostics and enhanced user experience 1. FCA AutoAuth: Now supports FCA SGW module for Chrysler, for Jeep, for Dodge (2018+), for Fiat (2017+), enabling faster vehicle communication without gateway restrictions 2. PMI (Offline ECU Pr0gramming): Allows for Ford, for Lincoln, and for Mazda ECU pr0gramming for new modules 3. Optimized Diagnostic Report 2.0: Personalized reports with logos and customer info for auto shops. Note: Compatibility varies by cars, please check before order
- 39+ Services/Resets/Adaptations/Relearns/Calibrations: XTOOL D7S full system car scanner diagnostic tool tackles 99% of common car issues through its 36+ special functions, including Oil Reset, EPB, SAS, BMS, Throttle Reset, Injector C0ding, ABS Bleed, TPMS Reset, Power Balance, etc and also covers specific-vehicle functions like Crank Sensor Relearn, ABS Initialization, Cylinder Power Balance, Fuel Trim Reset, Idle Relearn etc. This car diagnostic scanner enhances efficiency, making repairs and maintenance hassle-free. Tip: DO NOT for All vehicles, please check compatibility first
- Cost-effective ECU C0ding Scan Tool for Specific Brands: Enhance your vehicle's performance with XTOOL D7S! This obd2 scanner all systems bidirectional offers advanced capabilities at an affordable price, supports online for BMW, for Benz and offline for BENZ, for MIT, along with PMI functions for Ford, for Mazda, and for Lincoln. Ideal for technicians and DIY enthusiasts, this automotive scanner diagnostic tool optimizes vehicle performance and enhances the driving experience. Note: Not for all cars and modules, please send car VIN to check the compatibility before purchase
- OE All System Diagnostic & 8 Pids Graphing: XTOOL D7S is a comprehensive all system bi directional obd2 scanner that delivers dealer-level diagnostics, completely controlling over your vehicle’s performance and health. This automotive scan tool can read and clear DTCs, view live data and ECU information, retrieve freeze frames, and perform active tests and full obd2 functions. This bi-directional scan tool can can identify your vehicle's make, model, and year information with just one click and show up to 8 PIDs live data with options for CSV viewing, playback, and recording for in-depth analysis. It is easy-to-use for both professionals and beginners, helping pinpoint issues efficiently
Last update on 2026-06-30 / Affiliate links / Images from Amazon Product Advertising API
- 【✅Compared to BOSSCOMM IF742, IF745 Offers Full-System Diagnostics】The BOSSCOMM IF745 car diagnostic scanner is an upgraded model of IF742. In addition to supporting all OBD2 Code Reader functions and 6 reset options (ABS/EPB/SAS/BMS/Oil/Throttle), it expands diagnostics from 4 systems (Check Engine/ABS/SRS/Transmission) to vehicle All systems, including Steering, Suspension, and Body Electronics. This provides deeper, more comprehensive diagnostic capabilities.
- 【✨10 OBD2 Functions】The BOSSCOMM IF745 scan tool’s DTC Lookup instantly translates fault codes into user-friendly explanations, its I/M Readiness feature streamlines emissions testing with a single tap, and Freeze Frame lets you pinpoint the exact moment of a fault for in-depth root-cause diagnosis. Combined with a live data dashboard and advanced diagnostics (O2S, OBMon, EVAP), it delivers comprehensive insights for confident troubleshooting.
- 【✨Deep Diagnostics for All Vehicle System Modules】Beyond code reading/clearing and ECU information retrieval, our all-in-one data stream feature lets you inspect all current fault codes and their locations across the vehicle’s systems. This vehicle code reader helps you turn off dashboard warning lights and perform a comprehensive self-check of your car at home—no more back-and-forth trips to the repair shop or hefty inspection fees.
- 【✨6 Essential Resets: ABS Bleeding, Oil, EPB, SAS, Throttle, BMS】The BOSSCOMM IF745 obd2 scanner diagnostic tool swiftly purges air from brake lines to restore braking sensitivity, fine-tunes maintenance cycles to eliminate false alerts, resolves parking brake issues with one-click control, recalibrates steering sensors for stability, optimizes engine idling/acceleration for smoother performance, and deeply resets battery systems to extend lifespan and range via precise parameter adjustments.❗NOTE: Does NOT support bidirectional control, coding, or programming.
- 【✨10,000+ Car Models, AutoVIN, 13 Languages】The BOSSCOMM IF745 vehicle scanner diagnostic tool covers 73+ global car brands and offers support in 13 languages, making it perfect for DIYers, auto mechanics, or as a thoughtful gift. With a single-click AutoVIN feature, it instantly retrieves vehicle serial numbers, streamlining diagnostics for users globally. This adaptable tool balances user-friendliness with precision, catering to both personal and professional requirements.✅Unsure about compatibility? Compatibility will vary on vehicles' model and year, pls reach us via 📧 [email protected] 📧 before purchase.
Last update on 2026-07-02 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.