NHTSA ID Number: 10165677
Manufacturer Communication Number: SA-042-19
TSB/Document Date: 2019-10-04
Summary
Customers having MAZDA
CONNECT concerns should have their vehicle repaired using the following repair procedure. NOTE: Before proceeding: Confirm that the Connectivity Master Unit (CMU) is updated to the latest software version. Go to MGSS - Infotainment - MAZDA
CONNECT Updates, Confirm that the customers device is updated to the latest software version. Apple Carplay
/Android Auto FAQ, go to SA-001/19.
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.
Yes
Check / Replace the CMU. Retrieve CMU data
log if possible before replacing CMU.
No
Repair/Replace wiring harness. Go to MGSS
View Content - Wiring Diagram - Body and
Accessories - Entertainment System.
14
Swap the CMU from known good vehicle.
Can you hear sound?
Page 4 of 11
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.
Service Alert No.: SA-042/19
Last Issued: 09/25/2019
No. 5 Commander Switch Does Not Work
Step![]()
Inspection
Result
Action
Yes
Go to MGSS for DTC diagnosis
No
Go to step
2.
Yes
Go to step
3.
No
Go to step
4.
Yes
Normal Operation.
No
Go to step
5.
Yes
Go to SA-025/19.
No
Go to step
8.
Pass
Go to step
6.
5
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.
6
Is the connector
for the CMU inserted
correctly?
Yes
Go to step
7.
No
Insert the connector
correctly.
Yes
Check / Replace the CMU. Retrieve CMU
data log if possible before replacing CMU.
No
Repair/Replace wiring harness. Go to MGSS
View Content - Wiring Diagram - Body and
Accessories - Entertainment System.
Pass
Check / Replace the CMU. Retrieve CMU
data log if possible before replacing CMU.
Fail
Go to step
9.
Yes
Go to step
10.
No
Insert the connector
correctly.
Yes
Go to step
11.
No
Insert the connectors correctly.
1
Using M-MDS, are any infotainment system
DTC's stored?
2
Does the Commander Switch work correctly?
3
Does the Steering Wheel Switch work
correctly?
4
Is fuse F13 missing?
7
8
Swap the CMU from known good vehicle. Does
the Steering Wheel Switch work correctly?
Go to MGSS "DIAGNOSTIC ASSIST FUNCTION
[CONNECTIVITY MASTER UNIT (US)]"
Perform Functional Inspection/Adjustment Touch Pad/Commander Inspection Commander switch inspection.
Did the Commander switch inspection Pass?
9
Is the connector
for the Commander Switch
inserted correctly?
10
Are the CMU connectors inserted correctly?
Swap the Commander Switch with good known Yes
vehicle. Does the Commander Switch work
No
correctly?
Check / Replace the Commander Switch.
11
12
Swap the CMU from known good vehicle.
Does the Commander Switch work correctly?
Check / Replace the CMU. Retrieve CMU
data log if possible before replacing CMU.
Yes
Go to step
12.
Page 5 of 11
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.
Service Alert No.: SA-042/19
Last Issued: 09/25/2019
No
Repair/Replace wiring harness. Go to MGSS
View Content - Wiring Diagram - Body and
Accessories - Entertainment System.
No. 6 Bluetooth
device will not pair
Step![]()
1
2
Inspection
Using M-MDS, are any infotainment system DTC's
stored?
Is Bluetooth
enabled on the customers device?
Result
Action
Yes
Go to MGSS for DTC diagnosis
No
Go to step
2.
Yes
Go to step
3.
No
Enable Bluetooth
on the customers
device.
Yes
Go to step
4.
No
Pair the customers device to the
vehicle.
Yes
Go to step
5.
No
Select the customers device from
Bluetooth
settings.
3
Is the customers device paired to the vehicle?
4
Is the customers device selected in MAZDA![]()
CONNECT settings?
Delete the device from MAZDA
CONNECT and then
re-pair it.
Does Bluetooth
work correctly?
Yes
Normal Operation
5
No
Go to step
6.
Go to http://infotainment.mazdahandsfree.com
Web Site.
Is the customers device compatible?
Yes
Go to step
7.
6
No
The customers device is not
compatible.
Yes
Go to step
8.
No
Check / Replace the CMU. Retrieve
CMU data log if possible before
replacing CMU.
Document device model, software
version and occurrence condition.
Yes
Vehicle operation is normal.
7
8
Does the same symptom occur on another same
model/year vehicle?
Reboot the customers device. Does Bluetooth
work
correctly?
No
Check / Replace the CMU. Retrieve
CMU data log if possible before
replacing CMU.
Document device model, software
version and occurrence condition.
No. 7 Incorrect GPS position
Page 6 of 11
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.
Service Alert No.: SA-042/19
Last Issued: 09/25/2019
Inspection
Result
Go to MAZDA
CONNECT - Navi menu, Travel Information Yes
- Where Am I? - Settings - GPS information - Check
Available Satellites.
Action
Normal Operation.
Or
1
Go to MGSS "DIAGNOSTIC ASSIST FUNCTION
No
[CONNECTIVITY MASTER UNIT (US)]"
Perform Functional Inspection/Adjustment - Navi System
Inspection - Check GPS Received Level.
Go to step
2.
Does the Navi system show correct vehicle position?
Go to step
3.
2
Using M-MDS, are any of the following DTC's stored?
Yes
- B119F:13, GPS antenna signal circuit malfunction (short
to power or open circuit)
- B119F:2B, GPS antenna signal circuit malfunction (short No
to ground)
3
Is the GPS antenna connector
secured properly?
Yes
Go to step
4.
No
Insert the connector
correctly.
Yes
Repair / Replace GPS wiring
harness.
No
Go to step
5.
Yes
Go to step
6.
No
Insert the connectors correctly.
Yes
Repair / Replace CMU wiring
harness.
No
Go to step
7.
4
5
6
7
Is the GPS wiring harness open or shorted?
Are the CMU connectors secured properly?
Is the CMU wiring harness open or shorted?
Yes
Replace GPS antenna. Does the Navigation system show
correct position?
No
8
Using M-MDS, is DTC B119F:49 stored?
(Communication error with GNSS)
9
Are the CMU connectors secured properly?
10
Is the CMU wiring harness open or shorted?
Go to step
8.
Repair completed.
Check / Replace the CMU.
Retrieve CMU data log if possible
before replacing CMU.
Yes
Go to step
9.
No
Go to step
11.
Yes
Go to step
10.
No
Insert the connectors correctly.
Yes
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TSB/Document ID: SA-042-19
Replacement Service Bulletin Number:
MFR Communication Date: 2019-09-25
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 |
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