NHTSA ID Number: 10153336
Manufacturer Communication Number: 09-007-19-3564
TSB/Document Date: 2019-02-19
Summary
Some vehicles may exhibit a Connectivity Master Unit (CMU), a BLUETOOTH hands-free unit or text messaging related concerns. To improve the handling of BLUETOOTH hands-free and/or text messaging customer concerns, Mazda
created a special service and parts exchange program as of February 2010. Customers experiencing related concerns should have their vehicle and/or device inspected according to the following procedure.
Technical
Service Bulletin
Mazda
North American Operations
Irvine, CA 92618-2922
Subject:
CONNECTIVITY MASTER UNIT / HANDS-FREE BLUETOOTH MODULE
/ TEXT MESSAGING TROUBLESHOOTING PROCEDURE
Bulletin No.: 09-007/19
Last Issued: 01/14/2019
BULLETIN NOTES
This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted below in Red.
Previous TSBs:
Date(s) Issued:
Previous TSBs:
Date(s) Issued:
09-020/18 04/05/2018, 06/20/2018 and 10/10/2018 09-014/12 03/16/2012 and 08/10/2012
09-009/16
02/17/2016 and 05/01/2016
09-008/11
02/23/2011
09-039/14
09/09/2014
09-007/10
02/08/2010
09-019/13
06/14/2013
09-042/08
12/23/2008
APPLICABLE MODEL(S)/VINS
2016-2019 CX-3 2007-2019 CX-9 2009-2019 Mazda6
2013-2019 CX-5 2010-2019 Mazda3 2009-2019 MX-5
2009-2012 CX-7 2008-2015 Mazda5 2009-2011 RX-8
Applies to models equipped with Hands-Free Bluetooth or MAZDA
CONNECT
DESCRIPTION
Some vehicles may exhibit a Connectivity Master Unit (CMU), a BLUETOOTH® hands-free unit or text
messaging related concerns.
To improve the handling of BLUETOOTH® hands-free and/or text messaging customer concerns, Mazda![]()
created a special service and parts exchange program as of February 2010.
Customers experiencing related concerns should have their vehicle and/or device inspected according to
the following procedure.
Page 1 of 3
CONSUMER NOTICE: The information and instructions in this bulletin are intended for use by skilled technicians. Mazda
technicians utilize the proper tools/
equipment and take training to correctly and safely maintain Mazda
vehicles. These instructions should not be performed by “do-it-yourselfers.” Customers
should not assume this bulletin applies to their vehicle or that their vehicle will develop the described concern. To determine if the information applies,
customers should contact their nearest authorized Mazda
dealership. Mazda
North American Operations reserves the right to alter the specifications and
contents of this bulletin without obligation or advance notice. All rights reserved. No part of this bulletin may be reproduced in any form or by any means,
electronic or mechanical---including photocopying and recording and the use of any kind of information storage and retrieval system ---without permission in
writing.
© 2019 Mazda
North American Operations, U.S.A.
Bulletin No.: 09-007/19
Last Issued: 01/14/2019
REPAIR PROCEDURE
1. Verify customer concern.
2. Verify that the customer has provided the correct phone or device.
3. Confirm the device compatibility by web or smartphone.
Go to:
By Web
infotainment.mazdahandsfree.com
By Smartphone MyMazda app; press MAZDA
CONNECT
NOTE:
When checking compatibility, be aware that phones may be approved for some functions but not for
others.
Scroll down to make sure there are no red X’s in the compatibility list.
Check the phone model number; compatability can vary by the phone company version.
4. Check MGSS Online (Mazda
Service Support System) for related service bulletins and service alerts.
5. If the steps above did not resolve the customer’s concern, contact Mazda
Hands-Free System Customer
Care at (800) 430-0153 to review the concern further.
NOTE:
If for any reason there was a mis-communication regarding the concern written on the RO, the
Mazda
Hands-Free System Customer Care representative can clarify it.
If Mazda
Hands-Free System Customer Care has provided you an Authentication Number (case
number), they have determined there could be a problem with the hands-free module or the CMU.
However, a Authentication Number does not mean automatic module replacement. Proceed to next
step.
6. Troubleshoot the vehicle according to the instruction on MGSS online (Body and Accessories > OnBoard Diagnostics).
If the cause cannot be determined through MGSS online service information, contact the Mazda![]()
Technical Hotline at (888) 832-8477 for assistance and support.
NOTE:
The Mazda
Technical Assistance Hotline does not provide authorization for warranty or parts
ordering.
Vehicles equipped with MAZDA
CONNECT, upload the MAZDA
CONNECT CMU Data to a USB
drive and have it available to attach to Siebel prior to calling Hotline.
If it is determined that a replacement CMU or hands-free module is required, proceed to next step.
NOTE: Provide the Authentication Number to your parts dept. so they can order the part.
7. Replace the CMU or hands-free module according to MGSS online Removal/Installation instructions.
8. Verify the repair.
Page 2 of 3
CONSUMER NOTICE: The information and instructions in this bulletin are intended for use by skilled technicians. Mazda
technicians utilize the proper tools/
equipment and take training to correctly and safely maintain Mazda
vehicles. These instructions should not be performed by “do-it-yourselfers.” Customers
should not assume this bulletin applies to their vehicle or that their vehicle will develop the described concern. To determine if the information applies,
customers should contact their nearest authorized Mazda
dealership. Mazda
North American Operations reserves the right to alter the specifications and
contents of this bulletin without obligation or advance notice. All rights reserved. No part of this bulletin may be reproduced in any form or by any means,
electronic or mechanical---including photocopying and recording and the use of any kind of information storage and retrieval system ---without permission in
writing.
© 2019 Mazda
North American Operations, U.S.A.
Bulletin No.: 09-007/19
Last Issued: 01/14/2019
PARTS INFORMATION
Review the points below when ordering a CMU or hands-free Bluetooth unit:
NOTE:
Use the Mazda
Hands-Free System Customer Care Authentication Number to place the order with
United Radio for the part exchange.
Example of the United Radio online order form, Authentication Number entry is shown below:
It is not necessary to call United Radio directly, place the order online, via the United Radio
Website.
Access the United Radio Website using either one of the links below:
Go to: https://portal.mazdausa.com/dealershome/service_parts/dag/exchange_page_1.htm
Then select “United Radio Website” and log in.
OR
Go to: http://Dealers.mazdausa.com/
Then select "Parts and Accessories” -> “Parts” -> “Exchange Central” -> "Ordering" -> “United Radio
Website” and log in.
WARRANTY INFORMATION
NOTE: For this TSB only, dealers may use actual time (up to a maximum of 0.9 hr.) to cover any necessary
diagnostic time.
Page 3 of 3
CONSUMER NOTICE: The information and instructions in this bulletin are intended for use by skilled technicians. Mazda
technicians utilize the proper tools/
equipment and take training to correctly and safely maintain Mazda
vehicles. These instructions should not be performed by “do-it-yourselfers.” Customers
should not assume this bulletin applies to their vehicle or that their vehicle will develop the described concern. To determine if the information applies,
customers should contact their nearest authorized Mazda
dealership. Mazda
North American Operations reserves the right to alter the specifications and
contents of this bulletin without obligation or advance notice. All rights reserved. No part of this bulletin may be reproduced in any form or by any means,
electronic or mechanical---including photocopying and recording and the use of any kind of information storage and retrieval system ---without permission in
writing.
© 2019 Mazda
North American Operations, U.S.A.
- 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: 09-007-19-3564
Replacement Service Bulletin Number:
MFR Communication Date: 2019-01-14
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT
MFR Component System:
MFR Component Subsystem:
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, 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 data. 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
- 【Lifetime Database & Software Updates— No Subscription Fee, No Feature Lock, Save you $399/Y】KINGBOLEN K8 Pro's software can already be permanently upgraded and used for while software of other same price product still needs annual fee of almost $400. K8 pro scanner has packed all capabilities auto technicians would ever need for repair & maintenance services: Added CAN-FD & DOIP protocol, Bluetooth Wireless Diagnosis, Bidirectional Test, ECU Online/Offline Code & Guided Functions for VW
, for Audi
...34+ Restes, Autoauth for FCA
SGW, Larger 4GB+64GB memory, 12600mAh battery, 8'' touch screen with 1280 * 800 Resolution. A Kickstand can allow the tablet to sit at a comfortable angle - 【Newly Added CAN FD & DOIP Protocol】As Upgrade Version of Kingbolen K8, K8 Pro obd2 scanner supports CANFD and DOIP protocol, which will save you 200+ bucks as no need extra buy for special adapter. CANFD protocol suits for the latest GM(2019-), reducing the risk of undetected errors. The DoIP protocol (comes with DoIp cable) fits for 2017+ BMW
(F&G chassis), for Jaguar
& Land Rover
after 2017, for Volvo
after 2018. Plus, K8 Pro's Memory from 2G+32G expanded to 4G+64G, update period extended from 2 years to permanent - 【34+ Hot Special Functions & V.A.G Guide】KINGBOLEN K8 pro bluetooth obd2 scanner covers almost all common services including Oil Reset, EPB, SAS, BMS Reset, ABS bleed, Throttle Reset, Suspension, Injector Code, Power Balance, Transmission Adaptation, Fuel Trim Learn, HVAC Control Module Calibrate, Language Change, A/F Settings, Stop/Start Reset, Crankshaft Sensor Relearn, TPMS, PMI function and etc. Imagine how much money and time you spend on car maintenance every year? K8 pro car scanner will be a good helper and saver for your car. V.A.G Guided function provides step-by-step guide to work for Volkswagen
/Audi
/Skoda. Note: Please send us model/year/vin to check compatibility before order - 【Powerful Bidirectional Test/Active Test & ECU Code】As a bidirectional scan tool, KINGBOLEN K8 pro allows you to request information from a vehicle's ECU or send commands to the vehicle's modules to perform specific tests and functions, such as EVAP Tests, Turn on/off radiator fan, Window/Mirror/Door Lock Test, Pump and Value Tests, Sound horn Test, et. Without using the vehicle control system and dismantling car’s parts, it can quickly and accurately pinpoint the fault causes, simple operation saves time and money
- 【Wireless OE-Level All Systems Diagnostics】Equipped with Bluetooth VCI, you can do car diagnostics out of the car (up to 33F/10M) without being confined to a small space inside the car. Provides the convenience of Auto VIN, K8 pro allowing for easy access and diagnosis of all available modules on a wide range of vehicles, like PCM, ECM, BCM, TPMS, SAS, Fuel System, etc, to perform read/clear codes, view live data, freeze frame, perform active tests, and read ECU info... 12-In-1 Data Stream Graphics make data viewing more intuitive.Diagnostic reports can be shared via QR Code, Bluetooth or email.Built-in Browser and Fault Code Library allows you directly query the fault code when diagnosing
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.




