NHTSA ID Number: 10176046
Manufacturer Communication Number: SA-012-20d
TSB/Document Date: 2020-06-02
Summary
2019-2020 MAZDA3 SERVICE CAUTIONS FOR NEW AND REVISED FEATURES: Connected Vehicle, Connected Vehicle Maintenance Mode, Mazda
Connected Vehicle Viewer (MCVV).
Reason
Solution
Key transmitter is
Always make sure
1. By the time all the doors are closed,
1. outside of
the key transmitter holder is
the key transmitter is already out of
antenna range
in operational range and is
Page 27 of 40
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.
© 2020 Mazda North American Operations, U.S.A.
05/20/2020 9:38 AM tlawrenc
Service Alert No.: SA-012/20
while any of the
doors have not
been closed.
Last Issued: 05/18/2020
operational range, causing walkaway lock to not function.
the last person to leave after
all
doors/trunk/liftgate
are closed.
1. Depending on the key transmitter
holder’s distance to the antenna
when he/she is closing the driver
side rear door, the walk-away lock
may or may not function.
Key transmitter
2. If standing closer to the rear
holder exits
bumper area when closing the rear
driver’s door
2.
door, the key transmitter may be
then opens rear
out of the operational range,
left door to
causing walk-away lock to not
retrieve items.
function.
3. If standing closer to the B-pillar
when closing the rear door, the
walk-away lock should function
correctly.
Be mindful of the
key holder’s position in
relation to the door exterior
antenna (31 in).
1. If the key transmitter holder is in a
hurry to get out of the car and
leaves the operational range too
quickly before the audio beep, the
walkaway lock function may not
work.
Key transmitter
2. The key transmitter holder opens
holder moves out
the driver’s door, gets out, and
3. of operational
walks away at a fast pace while
range too
shutting the door. It is possible that
quickly.
by the time the door is completely
shut, the key transmitter holder is
already out of operational range
because she/he is moving away too
fast, causing walk-away lock to not
function.
Slow down and make sure
the audio beep sounds
before leaving the
operational range, the audio
beep sound will always
sound to
alert the key transmitter
holder that the key was
detected for walk-away door
lock function.
Page 28 of 40
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.
© 2020 Mazda North American Operations, U.S.A.
05/20/2020 9:38 AM tlawrenc
Service Alert No.: SA-012/20
Last Issued: 05/18/2020
Auxiliary Key
The auxiliary keys need to be inserted into the transmitters during PDI.
Auxiliary Key
Transmitter
NOTE: The auxiliary keys are small and could be
overlooked during PDI.
Vehicles arrive at the dealer with Auxiliary Keys
located in the glove compartment*
Vehicles arrive at the dealer with Transmitters
located in the front cup holder*
See Owner's Manual - Before
Driving - Keys- Auxiliary key
*Vehicles that arrive at the dealer after business hours, transmitters/auxiliary keys are located in
the dealer's early bird key drop box.
Insert the auxiliary key into the transmitter.
Remove the transmitter lower cover by sliding
the knob in the direction shown and then
sliding the cover in the opposite direction.
Page 29 of 40
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.
© 2020 Mazda North American Operations, U.S.A.
05/20/2020 9:38 AM tlawrenc
Service Alert No.: SA-012/20
Last Issued: 05/18/2020
Insert the auxiliary key.
Install the transmitter lower cover by inserting
the tabs of the lower cover into the slots of the
transmitter.
1. If one auxiliary key is lost, some key machines can trace cut a new
replacement key.
2. If both auxiliary keys are lost, key cutting machines do not
recognize vehicle key code and will not cut new replacement keys.
Replace the front door key cylinder set.
NOTE: If the front door key cylinder set is replaced, eMDCS system key
code information will need to be changed. Contact Helpdesk by phone
(949 727-6434) or email ([email protected]) and provide:
1. VIN
2. Replacement part key code.
Transmitter Note:
Page 30 of 40
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.
© 2020 Mazda North American Operations, U.S.A.
05/20/2020 9:38 AM tlawrenc
Service Alert No.: SA-012/20
Last Issued: 05/18/2020
1. If one transmitter is lost, inform the customer to take cautions not
to lose the 2nd transmitter.
2. If both transmitters are lost, the vehicle will be disabled. Use
MDARS to program new transmitters.
3. Replacement battery type is CR2032 (3V, 225mAh), which is
different then previous 6th generation transmitter battery type
CR2025 (3V, 160mAh). If the wrong battery is installed, the
transmitter might not work properly (malfunction).
Page 31 of 40
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.
© 2020 Mazda North American Operations, U.S.A.
05/20/2020 9:38 AM tlawrenc
Service Alert No.: SA-012/20
Last Issued: 05/18/2020
Turning on the power saving
function
After you have turned on the
power saving function according
to the following procedure, the
hazard warning lights and sound
operate* one time.
1. Press the lock button on the
transmitter 4 times within 3
seconds to turn on the operation
indicator light.
2. Press the lock button
continuously for 1.5 seconds or
longer while the operation
Transmitter Battery Saving Function (Key Fob)
The Mazda3 has a "power saving" function built into the keyless entry indicator light turns on (for 5
system where some key fob functions are disabled. This feature could seconds).
accidentally be enabled and some concerns with the vehicle may be: 3. Press any of the buttons on the
transmitter to make sure that the
operation indicator light does not
1. Engine does not start.
turn on/flash.
2. Engine does not start unless you hold the fob to the start/stop
button.
3. Doors do not unlock using the door handle, but unlock with the
Turning off the power saving
remote.
function
4. Doors do not lock using the door handle, but lock with the remote. After you have turned off the
5. Transmitter indicator light does not turn on/flash.
power saving function according
to the following procedure, the
hazard warning lights and sound
operate* one time.
1. Press any of the buttons on the
transmitter to make sure that the
operation indicator light does not
turn on/flash.
2. Press the lock button on the
transmitter 4 times within 3
seconds to turn on the operation
indicator light.
3. Press the lock button
continuously for 1.5 seconds or
Page 32 of 40
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.
© 2020 Mazda North American Operations, U.S.A.
05/20/2020 9:38 AM tlawrenc
Service Alert No.: SA-012/20
Last Issued: 05/18/2020
longer while the operation
indicator light turns on (for 5
seconds).
*: with the advanced keyless
function
Also see Owner's Manual Before Driving - Keys - Power
saving function
Page 33 of 40
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.
© 2020 Mazda North American Operations, U.S.A.
05/20/2020 9:38 AM tlawrenc
Service Alert No.: SA-012/20
Last Issued: 05/18/2020
Keyless Entry Using Auxiliary Key
If the vehicle battery is discharged and/or the key battery is dead,
vehicle entry is possible using the auxiliary key.
See Owner's Manual Before Driving - Keys - Auxiliary
Key
Then refer to Owner's Manual Before Driving - Doors and Locks Unlocking with Auxiliary Key
Rear Door Child Safety Locks Operation
The auxiliary key is required to enable (lock) and disable (unlock) the
rear door child safety locks.
See Owner's Manual Before Driving - Doors and Locks Rear Door Child Safety Locks
1. Auxiliary Key
2. Lock
3. Unlock
Page 34 of 40
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.
© 2020 Mazda North American Operations, U.S.A.
05/20/2020 9:38 AM tlawrenc
Service Alert No.: SA-012/20
Last Issued: 05/18/2020
Theft-Deterrent System
The Mazda3 is not equipped with a Theft-Deterrent System.CAUTION:
DO NOT use MDARS to enable:
1. Burglar Alarm
2. Intrusion Sensor
The Mazda3 does not have the necessary Theft-Deterrent System
hardware to function if enabled using MDARS, and MDARS cannot
disable the Theft-Deterrent System after it has been enabled.
The following DTC's may be stored if the burglar alarm or intrusion
sensor are enabled:
1. B109F:87 - Intrusion Sensor Module
2. B2002:87 - On Board Charger DC/DC Low Voltage Side
---
Page 35 of 40
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.
© 2020 Mazda North American Operations, U.S.A.
05/20/2020 9:38 AM tlawrenc
Service Alert No.: SA-012/20
Last Issued: 05/18/2020
Seat Warmer and Heated Steering Wheel Auto Mode
The driver and front passenger's seater warmers* and the heated
steering wheel* can be set to be automatically controlled (turned on
and off) by the climate control system, depending on the set
temperature.
Auto Mode
1. Go to MAZDA CONNECT home screen and select "Settings"
2. Select “Vehicle Settings”.
3. Enable “Link Seat Climate Control Temperatures”.
4. Press the climate control AUTO switch.
Link Seat Climate Control Temperatures
Setting
Climate Control Auto
Switch
See Owner's Manual Essential Safety Equipment - Seat
Warmer/Heated Steering Wheel Seat Warmer / Heated Steering
Wheel
* if equipped
Seat Warmer Will Not Turn ON After Previous Usage
JM1 (Japan built) vehicles produced after
December 17, 2018
3MZ (Mexico built) vehicles produced after March 19, 2019
After SA-059/19 repair.
1. DTC B1030:13 (SEAT WARMER UNIT (LH) CIRCUIT MALFUNCTION
(HEATER SIDE)) is stored.
2. Front seat warmer functions after seat cool down and ignition OFF
- ON cycle.
Contact Hotline for latest repair information.
---
Page 36 of 40
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.
© 2020 Mazda North American Operations, U.S.A.
05/20/2020 9:38 AM tlawrenc
Service Alert No.: SA-012/20
Last Issued: 05/18/2020
Electric Parking Brake (EPB)
Parking Brake Auto Operation
When the ignition is switched OFF, the parking brake will be applied
automatically. The EPB indicator light in the instrument cluster and
the EPB switch indicator light turn ON.
1. Indicator light
Canceling the Parking Brake Auto Operation
Parking brake auto operation can be canceled using the procedure in
the Owner's Manual.
NOTE: When the ignition is cycled back ON, the parking brake auto
operation is restored.
See Owner's Manual - When
Driving - Brake - EPB Auto
operation
Parking Brake Automatic Release
If the accelerator pedal is depressed with the parking brake applied
and all of the following conditions are met, the parking brake is
automatically release. When the parking brake is released, the EPB
indicator light in the instrument cluster and the EPB switch indicator
light turn off.
A/T
M/T
Engine is running
Driver's door is closed
Driver's seat belt is fastened
Selector lever is in the D, M, or R
position
Shift lever is in a position other than
neutral
Clutch pedal is depressed halfway
Page 37 of 40
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.
© 2020 Mazda North American Operations, U.S.A.
05/20/2020 9:38 AM tlawrenc
Service Alert No.: SA-012/20
Last Issued: 05/18/2020
Page 38 of 40
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.
© 2020 Mazda North American Operations, U.S.A.
05/20/2020 9:38 AM tlawrenc
Service Alert No.: SA-012/20
Last Issued: 05/18/2020
Tire Pressure Monitoring System (TPMS) Change
The TPMS system uses a new rubber type direct TPMS.
NOTE: The new rubber type is not reusable. If the TPMS sensor is
removed from the wheel, it must be replaced.
MGSS: TIRE PRESSURE
MONITORING SYSTEM (TPMS)
New Rubber Type
Old Metal Type
Condition Based Maintenance (Except Canada)
The vehicle calculates the maintenance (oil change) timing.
1. This function cannot be turned OFF.
2. Distance until the oil change is available in MAZDA CONNECT.
3. Reset is required after every oil change.
MGSS: MAINTENANCE MONITOR
OPERATION PROCEDURE
New M-MDS (MDARS)
A new M-MDS diagnostic tester (MDARS) for 7th generation vehicles
(starting with the 2019 Mazda3) is used.
1. Performs more maintenance service functions
2. Performs more complicated vehicle electrical system diagnostic
3. Reprograms more ECU's
MGSS: BASIC KNOWLEDGE
Page 39 of 40
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.
© 2020 Mazda North American Operations, U.S.A.
05/20/2020 9:38 AM tlawrenc
Service Alert No.: SA-012/20
Last Issued: 05/18/2020
Parts Replacement
When replacing vehicle parts such as ECU's, motors, seats....etc,
always refer to MGSS. Some new components may not operate if
MGSS new part replacement procedure is not performed.
---
Page 40 of 40
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.
© 2020 Mazda North American Operations, U.S.A.
05/20/2020 9:38 AM tlawrenc
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Replacement Service Bulletin Number:
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