NHTSA ID Number: 10198676
Manufacturer Communication Number: SA-027-21a
TSB/Document Date: 2021-07-02
Summary
MAZDA
CONNECT Symptom Troubleshooting (7th Generation Vehicles). Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure
• Retrieve the data log if
possible before replacing
the CMU
• Document date and time
of the condition
Yes
Go to step 10.
No
Go to step 12.
Page 10 of 15
06/25/2021 03:16 PM tlawrenc
10
Are the CMU connectors secured properly?
Yes
Go to step 11.
No
Insert the connectors correctly.
Yes
Repair / Replace CMU wiring
harness.
Check / Replace the CMU.
11
Is the CMU wiring harness open or shorted?
No
12
Check / Replace the CMU. Retrieve CMU data log if
possible before replacing CMU.
Did DTC B119F:49 clear?
• Retrieve the data log if
possible before replacing
the CMU
• Document date and time
of the condition
Yes
Repair completed.
No
Repair / Replace GPS antenna.
NOTE: Remove aftermarket GPS devices that may interfere with vehicle GPS antenna.
Example: Some radar detectors may emit radio waves that interfere with the vehicle GPS antenna.
No. 8 Voice Recognition Does Not Work
Step
Inspection
Result
Action
1
Using M-MDS, are any infotainment system DTC's
stored?
Yes
Go to MGSS for DTC diagnosis
No
Go to step 2.
Pass
Go to step 3.
2
Go to MGSS "DIAGNOSTIC ASSIST FUNCTION
[CONNECTIVITY MASTER UNIT (US)]"
Perform Functional Inspection/Adjustment -> Steering
SW Inspection -> Did the Steering SW Inspection
Pass?
Fail
Go to MGSS STEERING SWITCH
INSPECTION.
Check / Replace the CMU.
3
Go to MGSS "DIAGNOSTIC ASSIST FUNCTION
[CONNECTIVITY MASTER UNIT (US)]"
Perform Functional Inspection/Adjustment ->
Microphone Inspection ->
Did the Microphone Inspection Pass?
Pass
Fail
• Retrieve the data log if
possible before replacing
the CMU
• Document date and time of
the condition
Go to MGSS MICROPHONE
INSPECTION.
Page 11 of 15
06/25/2021 03:16 PM tlawrenc
No. 9 Cannot Make a Hands-Free Call
Step
Inspection
Result
1
Yes
Using M-MDS, are any
infotainment system DTC's stored? No
2
Is Bluetooth enabled on the
customers device?
3
Is the customers device data
service strength good?
4
Action
Go to MGSS for DTC diagnosis
Go to step 2.
Yes
Go to step 3.
No
Enable Bluetooth on the customers device.
Yes
Go to step 4.
No
Move to a location where data service strength is good
and retest.
Is the customers device paired to
the vehicle?
Yes
Go to step 5.
No
Pair the customers device to the vehicle.
5
Is the customers device selected
in MAZDA CONNECT settings?
Yes
Go to step 6.
No
Select the customers device from Bluetooth settings.
Delete the device from MAZDA
CONNECT and then re-pair it.
Does Bluetooth work correctly?
Yes
Normal Operation
6
No
Go to step 7.
Yes
Go to step 8.
7
Go to connect.mazda.com ->
Support -> Compatibility.
Is the customers device
compatible?
No
The customers device is not compatible.
8
Does the same symptom occur on Yes
another same model/year vehicle? No
9
Reboot the customers device.
Does Bluetooth work correctly?
Move the Bluetooth device away from hidden location.
10
Is the Bluetooth device in a place Yes
where radio waves may be
blocked?
(Behind or under a sheet, in a box, No
in a purse/bag, ext.)
11
Is the Bluetooth device contacting Yes
or blocked by metal objects?
No
Move the Bluetooth device away from metal objects.
Is a Bluetooth device and a USB
device connected at the same
time?
Yes
Disconnect other USB device.
12
No
Go to step 13.
Yes
Move to a different location.
This may be caused by electrical interference by radio
stations, specific small power radio stations, or amateur
radio stations for mobile identification used in industrial,
scientific and medical devices.
No
Go to step 14.
13
Does the problem occur in a
specific geological location only?
Yes
Vehicle operation is normal.
No
Go to step 10.
Go to step 11.
Go to step 12.
Page 12 of 15
06/25/2021 03:16 PM tlawrenc
14
Does the same symptom occur on Yes
another Bluetooth device?
No
Go to step 15
The customers device is not compatible.
Check / Replace the CMU.
15
• Document device model, software version and
occurrence of the condition.
• Retrieve the data log if possible before replacing
the CMU
• Document date and time of the condition
Does the voice recognition system Yes
operate using other functions such
as Bluetooth Audio?
No
Go to No. 8 Voice Recognition Does Not Work
No. 10 Cannot Play Bluetooth Audio
Step
Inspection
Result
Action
1
Using M-MDS, are any infotainment
system DTC's stored?
Yes
Go to MGSS for DTC diagnosis
No
Go to step 2.
2
Is Bluetooth enabled on the customers
device?
Yes
Go to step 3.
No
Enable Bluetooth on the customers device.
Yes
Go to step 4.
3
Is the customers device data service
strength good?
No
Move to a location where data service strength
is good and retest.
Is the customers device battery strength
good?
Yes
Go to step 5
4
No
Connect the customers device to a charger or
recharge the device, then retest.
5
Is the customers device paired to the
vehicle?
Yes
Go to step 6.
No
Pair the customers device to the vehicle.
Is the customers device selected in
MAZDA CONNECT settings?
Yes
Go to step 7.
6
No
Select the customers device from Bluetooth
settings.
Delete the device from MAZDA CONNECT Yes
and then re-pair it.
No
Does Bluetooth work correctly?
Normal Operation
7
Go to connect.mazda.com -> Support ->
Compatibility.
Is the customers device compatible?
Yes
Go to step 9.
8
No
The customers device is not compatible.
9
Does the same symptom occur on another Yes
same model/year vehicle?
No
10
Reboot the customers device. Does
Bluetooth work correctly?
Yes
Vehicle operation is normal.
No
Go to step 11.
11
Is the Bluetooth device in a place where
Yes
Move the Bluetooth device away from hidden
Go to step 8.
Page 13 of 15
06/25/2021 03:16 PM tlawrenc
radio waves may be blocked?
(Behind or under a sheet, in a box, in a
purse/bag, ext.)
12
Is the Bluetooth device contacting or
blocked by metal objects?
location.
No
Go to step 12.
Yes
Move the Bluetooth device away from metal
objects.
No
Go to step 13.
Yes
Disconnect other USB device.
Check / Replace the CMU.
13
Is a Bluetooth device and a USB device
connected at the same time?
No
• Document device model, software
version and occurrence of the condition.
• Retrieve the data log if possible before
replacing the CMU
• Document date and time of the condition
No. 11 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: The customer will be instructed to download the Mazda Toolbox App.
Page 14 of 15
06/25/2021 03:16 PM tlawrenc
No. 12 How to Check Navi SD Card VIN Lock
Go to Mazda Toolbox (Version 5)
Navi SD Card VIN
Unlocked
(VIN is blank)
Navi SD Card VIN
Locked
(VIN is present)
Page 15 of 15
06/25/2021 03:16 PM tlawrenc
- 💯【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...
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-027-21a
Replacement Service Bulletin Number:
MFR Communication Date: 2021-06-24
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT ADAPTIVE/MOBILITY
MFR Component System:
MFR Component Subsystem:
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.
- 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
- 【✅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.
This product presentation was made with AAWP plugin.