NHTSA ID Number: 11022718
Manufacturer Communication Number: SA-012-25b
TSB/Document Date: 2025-09-04
Summary
Customers having MAZDA
CONNECT concerns should have their vehicle repaired using the following repair procedure.
Infotainment -> MAZDA CONNECT
Questionnaire.
• See Warranty Information Note.
○
No
Check / Replace the CMU.
• Retrieve CMU log data if possible before
replacing the CMU.
Important Note
• Document date and time of the condition.
• If possible, complete any one of the Microsoft
Forms Questionnaires. Go to MGSS ->
Infotainment -> MAZDA CONNECT
Questionnaire.
• See Warranty Information Note.
○
7
Does the reboot continue after
vehicle battery disconnect?
Yes
No
No repair needed.
Page 6 of 26
08/25/2025 10:46 AM tlawrenc
No. 4 Infotainment System Has No Sound
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 sound normal other than navigation
guidance?
Yes
Go to step 3.
No
Go to step 4.
3
Can you hear the voice after raising
the navigation volume?
Yes
Normal Operation.
No
Go to step 5.
4
Can you hear sound after turning on
audio mode?
Yes
Normal Operation.
No
Go to step 6.
Yes
Repair complete.
Check / Replace the CMU.
5
Replace the Navigation SD Card.
Can you hear voice after Navigation
SD Card replacement?
6
Can you hear sound after raising the
volume of audio?
7
>
Are there any problems with the
media and the music files?
>
Are there any problems with the
antenna and the reception?
>
Are there any problems with
Bluetooth?
No
• Retrieve CMU log data if possible before
replacing the CMU.
Important Note
• Document date and time of the condition.
• If necessary, contact Hotline for additional
support.
• See Warranty Information Note.
○
Yes
Normal Operation.
No
Go to step 7.
Yes
>
Check the media and the compatible files.
>
Check the antenna, the reception, and the Remote
Tuner side.
>
Check the Bluetooth connection and the Bluetooth
device.
No
Go to step 8.
Check / Replace the CMU.
8
Go to MGSS "DIAGNOSTIC ASSIST
FUNCTION [CONNECTIVITY
MASTER UNIT (US)]" and
perform Functional Inspection/
Adjustment -> Active Speaker Check
Function -> Speaker Inspection.
Did the Speaker Inspection Pass?
• Retrieve CMU log data if possible before
replacing the CMU.
Important Note
• Document date and time of the condition.
• If possible, complete any one of the Microsoft
Forms Questionnaires. Go to MGSS ->
Infotainment -> MAZDA CONNECT
Questionnaire.
○
Pass
Page 7 of 26
08/25/2025 10:46 AM tlawrenc
• See Warranty Information Note.
Fail
Go to step 9.
9
Is the connector for the Speaker(s)
that failed inserted correctly?
Yes
Go to step 10.
No
Insert the connector correctly.
10
Is the connector for the amplifier
inserted correctly?
Yes
Go to step 11.
No
Insert the connector correctly.
11
Are the CMU connectors inserted
correctly?
Yes
Go to step 12.
No
Insert the connectors correctly.
12
Swap speakers from good known
vehicle. Can you hear sound?
Yes
Check / Replace the speakers.
No
Go to step 13.
13
Swap the Amplifier from known good
vehicle. Can you hear sound?
Yes
Check / Replace the Amplifier.
No
Go to step 14.
14
Swap the Remote Tuner from known
good vehicle. Can you hear sound?
Yes
Check / Replace the Remote Tuner
No
Go to step 15.
Check / Replace the CMU.
• Retrieve CMU log data if possible before
replacing the CMU.
Important Note
• Document date and time of the condition.
• If possible, complete any one of the Microsoft
Forms Questionnaires. Go to MGSS ->
Infotainment -> MAZDA CONNECT
Questionnaire.
• See Warranty Information Note.
○
Yes
15
Swap the CMU from known good
vehicle. Can you hear sound?
No
Repair/Replace wiring harness. Go to MGSS View
Content -> Wiring Diagram -> Body and Accessories
-> Entertainment System.
No. 5 Commander Switch 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.
2
Does the Commander Switch work
correctly?
Yes
Go to step 3.
No
Go to step 4.
3
Does the Steering Wheel Switch work
correctly?
Yes
Normal Operation.
No
Go to step 4.
4
Go to MGSS "DIAGNOSTIC ASSIST
Pass Go to step 5.
Page 8 of 26
08/25/2025 10:46 AM tlawrenc
FUNCTION [CONNECTIVITY MASTER
UNIT (US)]"
Perform Functional Inspection/
Adjustment -> Steering SW Inspection > Did the Steering SW Inspection
Pass?
5
Is the connector for the CMU inserted
correctly?
Fail
Go to MGSS STEERING SWITCH INSPECTION.
Yes
Go to step 6.
No
Insert the connector correctly.
Check / Replace the CMU.
• Retrieve CMU log data if possible before
replacing the CMU.
Important Note
• Document date and time of the condition.
• If possible, complete any one of the
Microsoft Forms Questionnaires. Go to
MGSS -> Infotainment -> MAZDA
CONNECT Questionnaire.
• See Warranty Information Note.
○
6
Swap the CMU from known good
vehicle. Does the Steering Wheel
Switch work correctly?
Yes
No
Repair/Replace wiring harness. Go to MGSS View
Content -> Wiring Diagram -> Body and
Accessories -> Entertainment System.
Check / Replace the CMU.
7
Go to MGSS "DIAGNOSTIC ASSIST
FUNCTION [CONNECTIVITY MASTER
UNIT (US)]"
Perform Functional Inspection/
Pass
Adjustment -> Touch Pad/Commander
Inspection -> Commander switch
inspection.
Did the Commander switch
inspection Pass?
• Retrieve CMU log data if possible before
replacing the CMU.
Important Note
• Document date and time of the condition.
• If possible, complete any one of the
Microsoft Forms Questionnaires. Go to
MGSS -> Infotainment -> MAZDA
CONNECT Questionnaire.
• See Warranty Information Note.
○
Fail
Go to step 8.
8
Is the connector for the Commander
Switch inserted correctly?
Yes
Go to step 9.
No
Insert the connector correctly.
9
Are the CMU connectors inserted
correctly?
Yes
Go to step 10.
Swap the Commander Switch with
10 good known vehicle. Does the
Commander Switch work correctly?
Swap the CMU from known good
11 vehicle.
Does the Commander Switch work
No
Insert the connectors correctly.
Yes
Check / Replace the Commander Switch.
No
Go to step 11.
Check / Replace the CMU.
Yes
Page 9 of 26
08/25/2025 10:46 AM tlawrenc
correctly?
• Retrieve CMU log data if possible before
replacing the CMU.
Important Note
• Document date and time of the condition.
• If possible, complete any one of the
Microsoft Forms Questionnaires. Go to
MGSS -> Infotainment -> MAZDA
CONNECT Questionnaire.
• See Warranty Information Note.
○
No
Repair/Replace wiring harness. Go to MGSS View
Content -> Wiring Diagram -> Body and
Accessories -> Entertainment System.
Page 10 of 26
08/25/2025 10:46 AM tlawrenc
No. 6 Bluetooth device will not pair
Step
Inspection
Result
Action
Using M-MDS, are any
infotainment system DTC's
stored?
Yes
Go to MGSS for DTC diagnosis.
1
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.
3
Is the customers device paired to
the vehicle?
Yes
Go to step 4.
No
Pair the customers device to the vehicle.
4
Is the customers device selected
in MAZDA CONNECT settings?
Yes
Go to step 5.
No
Select the customers device from Bluetooth settings.
Yes
Normal Operation.
5
Delete the device from MAZDA
CONNECT and then re-pair it.
Does Bluetooth work correctly?
No
Go to step 6.
Yes
Go to step 7.
- 💯【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-012-25b
Replacement Service Bulletin Number:
MFR Communication Date: 2025-08-21
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 |
- 🎉[OTOFIX D1 Lite, Perfect Cost-effective Diagnostic Tool]: OTOFIX D1 Lite, a newest bidirectional scan tool from OTOFIX company, is a great choice for DIYers and repair shops. 👉This obd2 scanner diagnostic tool packs all practical functions: OE level all systems diagnoses, Bi-Directional Control, 38+ reset services fixing 99% of common problems, support DoIP & CANDF protocols and FCA
AutoAuth, high-end hardware configuration. Worldwide vehicles and 🔥2 Years Free Updating🔥 covered. - 🎉[Bi-Directional Scan Tool, Active Test]: OTOFIX D1 Lite bluetooth obd2 scanner can also command ECUs and monitor the operation of the actuators to track down the problems of certain parts, like windows, sunroof, wipers, fuel pumps, etc., saving repair time & trouble. This makes OTOFIX D1 Lite the most cost-effective bidirectional scan tool.
- 🎉[2026 Newest, 38+ Hot Reset Functions]: Equipped with 38+ reset functions in one, the OTOFIX D1 lite automotive scanner diagnostic tool allows you to troubleshoot 99% of common vehicle problems. You can use this car diagnostic scanner holding enough functions to easily repair common vehicle models in your repair shops. Including Oil Reset, Injector Coding, Throttle, DPF Reset, SCR Reset, Gear Learning, Clutch Learning, Suspension, etc. Note* Reset functions vary by model.
- 🎉[OE Level Full Systems Diagnostics]: Unlike the 2-system and 4-system diagnostic tools, the OTOFIX auto scan tool can complete comprehensive system diagnostics within 5 minutes. It accesses and scans all available onboard systems like for Engine /AT /ABS /EPB /BMS /TPMS /SRS /SAS /Audio System /BCM /Air Conditioning / etc., to read & clear codes, view live data, and check ECU information. Note: Active test is not involved.
- 🎉[Powerful Hardware Configuration]: Designed with a fashion appearance & a 7” touchscreen and a weight of 463g, this OTOFIX D1 Lite OBD2 diagnostic scanner scan tool is convenient for everywhere and easy to use & store. Android9.0 OS and 2+64GB memory enhance multi-task smoothness and diagnostic operation, no more wasting too much time. 5800mAh battery allows hours-lasting use. WiFi & VCI1 also bring faster communication for your diagnostics.
- 🏆【2026 TOP OBD2 Scanner Diagnostic Tool】OTOFIX D1 Lite wireless obd2 scanner has upgraded hardware configuration and car coverage. The newly upgraded D1 Lite with 🔥OS Android 9.0🔥1.5Ghz 4 core high efficiency processor🔥2GB RAM+64GB ROM large storage🔥5800mAh large battery, more stable and longer lasting diagnostics🔥 38+ Reset🔥action tests🔥full system diagnostic🔥Supports MV105 endoscope🔥21+ Language Supports🔥100000+ vehicle coverage to meet all your daily maintenance needs.
- 👍【Bi-Directional Control / Active Test】D1 Lite obd2 scanner has bidirectional control(worth $300+), which is the most beloved feature among mechanic. If your headlights or car windows are broken, going to a repair shop will cost a lot of money. You can use D1 Lite to send execution commands to the ECU module and identify the repair status. Such as ABS, car windows, doors, valves, wipers, headlights, etc., effectively shorten diagnostic time and reduce diagnostic costs.
- 🔥【All Systems Diagnostics, In-depth Checking】This advanced OBD2 Scanner D1 Lite can perform OE-level diagnosis of all systems including engine, transmission, airbag, ABS, ESP, TPMS, gateway, steering, radio, and air conditioning for more than 100 brands. This diagnostic scanner supports essential functions, such as reading ECU version info, reading and clearing fault codes, and reading data streams.With just a simple click, it provides you with accurate and in-depth diagnostics.
- 🏆【38+ Reset Hot Functions】For repair workshops, holding an OTOFIX D1 Lite Auto scanner is a strong advantage over others. Its 38+ maintenance functions provide various solutions for all module repairs, including Oil Reset, TPMS Reset, Injector Coding, Suspension, Throttle Matching, etc., which will usher your repair business to a new pinnacle. Continuously updating will never make the functionality & compatibility out-of-date.
- 🏆【150+ Models, 10000+ Car Coverage & 16 Languages】D1 Lite is a comprehensive car diagnostic scan tool, help you to troubleshoot car issues fast for 95% US, European, Asian auto makes. ✅ With frequent updates and optimizations allow D1 Lite to cover more vehicles to meet your needs. ✅ Multilingual menu allows auto mechanics around the world to use it without language barriers. 🚩Note: Kindly send us the S/N of the device to authorize new language updates before changing the menu language.
- 2026 Newest Wireless Bluetooth Scan Tool D1: OTOFIX D1 Diagnostic scanner is upgraded version with Enhanced Hardwares & Newest Functions, FASTER and SMARTER! ✅Alternative Bluetooth 5.0 +USB connect✅2G+64GB✅Android 9.0 OS✅5G & 2.4 GHz Dual WiFi✅5800mAh battery👍VAG Guided Function👍ECU Online Coding👍CANFD&DOIP👍40+ Services👍Bi-Directional Control👍Full Systems Diagnose👍2 Years Free Update👍150+ Vehicle Coverage🎁Contact to get gift: otofixaftersales-amz@ outlook.com
- ECU Coding to Unlock the Hidden Features: OTOFIX D1 obd2 scanner diagnostic tool newly adds ECU Coding which can Online Coding(ONLY for VW/Au.di/Sk0da), Variant Coding/Offline Programming, Flash Hidden Functions, Reset Adaptive Data, Match Replaced Components, Customize OE-Settings. Such as: halogen fog lamps retrofitted with xenon fog lamps, different capacity battery retrofit, disbale auto start-stop, sunroof initialization, injector calibration, etc. PS: Coding functions vary by model&year.
- Full Bidirectional Control for Active Car Tests: The D1 OTOFIX scanner also offers bi-directional control, allowing you to perform powerful active tests on car subsystems. This means that you can check the working status and functionality of open & close solenoids, energize injectors, turn cooling fan on & off, and more, all from the device itself.🚩The D1 bi-directional obd2 scanner can quickly help you to check if a system or component goes well,Improving 200% Efficiency.**Note that Active Tests available depend on the make/model/year of your car.
- 40+ Popular Maintenance Functions: OTOFIX D1 obd scanner for car performs 40+ hot services, including Oil Reset, EPB, TPMS, BMS, E.GR, G.PF, D.PF, SAS Calibration, ABS Bleeding, Injector Coding, Gearbox Match, Suspension, Crankshaft Relearn, Power Balance, etc., still growing. Great choice for DIYers, technician, repair shop. 🚩Get MORE special functions from "Car Brand>System>Service". Check compatibility before purchase via 📧 otofixaftersales-amz@ outlook.com.
- OE-Level All Systems Diagnostic + One-Click AutoVIN & AutoSCAN: OTOFIX D1 scanner automotriz gives you the ability to troubleshoot entire car systems including engion system,transmission system,body system,chassis,etc. 🚩One of the standout features of the D1 obd2 scanner diagnostic tool is the one-click AutoVIN & AutoScan function. This feature allows you to quickly and easily scan all diagnosable ECUs with just one click, and identify any problems hidden in your vehicle's systems.
Last update on 2026-06-12 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.