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Service bulletin 09-021-21-3818

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10199634
Published by NHTSA2021-08-03
Manufacturer's number09-021-21-3818
Manufacturer's date2021-07-08
NHTSA componentEQUIPMENT

NHTSA's summary

AUDIO, NAVIGATION AND PHONE CONCERNS WITH MAZDA CONNECT INFOTAINMENT SYSTEM (6TH GENERATION). All Mazda Connect vehicles in new car inventory must be updated to the software version listed below in this TSB as part of the New Car Ready Step 3 process. Make sure the new vehicle specialist receives a copy of this bulletin. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 70.00.367 or later). NOTE: For 2016 CX-9 with version earlier than 59.00.441, the tachometer function will be removed from the Active Driving Display as part of Mazda’s continuing efforts to improve safety and reduce driver distraction.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories

Vehicles listed
MAZDA CX-32016, 2017, 2018, 2019, 2020, 2021
MAZDA CX-52016, 2017, 2018, 2019, 2020
MAZDA CX-92016, 2017, 2018, 2019, 2020
MAZDA MAZDA22016, 2017, 2018, 2019
MAZDA MAZDA22021
MAZDA MAZDA62016, 2017, 2018, 2019, 2020, 2021
MAZDA MX-52016, 2017, 2018, 2019, 2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
SA-027-242024-05-04. Service bulletin. Some customers may complain about infotainment center display. Peeling, spider cracks and white dots.
SA-008-242024-03-06. Service bulletin. Use the symptom troubleshooting tables below to diagnose MAZDA CONNECT concerns.
09-003-23b2024-01-06. Service bulletin. Some customers may complain about infotainment center display: Center display touchscreen operates by itself (Ghost Touch). The film of the center display may be peeled off. White dots may appear on the center display NOTE: The occurrence of the symptoms depends on the vehicle model and the parts.
SA-079-232024-01-05. Service bulletin. Some customers may complain about color discrepancies (brightness differences) of the image displayed on the screen when using the 360°view monitor. As this phenomenon is not a system failure, do not make any repairs or replace any parts.
01-007-23a2023-12-05. Service bulletin. The Mazda DCA-8000 is required for all warranty battery testing. If the Mazda DCA-8000 is not used, incorrect battery testing may result in unnecessary battery replacement. Use the following test procedures in this Service Bulletin to test Mazda vehicle batteries and to generate a Warranty Code.
SA-032-23a2023-11-02. Service bulletin. If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal MGSS diagnosis by asking if any aftermarket devices have been installed. Aftermarket devices may be the cause of the electrical concern. Below are a few examples of unusual electrical concerns caused by aftermarket devices.
PF-23-092023-10-05. Service bulletin. MNAO has recently found an increase in non-returned cores within the United Radio (UR) exchange program. As a reminder, dealers have 90 days, after the order is placed, to return the exchanged part. Failure to return the exchanged part will result in a debit of the full component price. It is highly recommended to set a calendar reminder at the time of the order for no more than 60 days to ensure all orders are returned if repaired and if not repaired, contact the customer to cancel the order and return the unit.
09-032-232023-10-05. Service bulletin. SERVICE BULLETIN 09-031/20 ISSUED ON 09/21/20 IS NO LONGER VALID. IT IS SUPERCEDED BY RECALL 6023G (“2014-2018 MAZDA3 AND 2016-2021 CX-3 - REARVIEW IMAGE MAY NOT DISPLAY PROPERLY”).
09-023-23a2023-10-05. Service bulletin. Some customers may experience the following symptoms of the wireless charger (Qi), even when the mobile device (smartphone etc.) is placed in the proper position on the wireless charger (Qi). - It does not start charging. - Soon after starting, it stops charging with the indicator flashing in red. - Soon after starting, it stops charging without any visible sign. These symptoms may be caused by improper control software of the wireless charger (Qi). To eliminate these concerns, the specification of the wireless charger (Qi) has been modified. NOTE: The modifications for the symptoms are different depending on the model.
09-031-20b2023-08-04. Service bulletin. Some vehicles may exhibit a distorted image or no image from the rear mount camera when shifted into reverse. Due to friction, the coating of camera socket terminals may wear out, creating high electrical resistance. NOTE: The icons and the messages are displayed normally.