# Service bulletin SA\-031\-20i

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.

- Type: Service bulletin
- NHTSA id: 10183663
- Published by NHTSA: 2020\-12\-04
- Manufacturer's number: SA\-031\-20i
- Manufacturer's date: 2020\-11\-06
- NHTSA component: ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING; ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

IMPORTANT NOTE: Some 2020 Mazda3 vehicles may have incorrect infotainment software version 10042 installed. The incorrect software will cause MyMazda App Connected Vehicle enrollment errors. Go to SSPC1. Some customers may complain about any of the following: Infotainment Center Display does not provide the Authorization Code during the MyMazda App Connected Vehicle enrollment \(and Software Update Error message on 2020 Mazda3 only\). Remote function\(s\) inoperative. Engine Start / Stop, Door Lock / Unlock, Lights ON / OFF

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10183663-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10183663-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Engine, Lighting, Software

## Vehicles listed

- 2020 to 2021 MAZDA CX\-30
- 2021 MAZDA CX\-5
- 2021 MAZDA CX\-9
- 2019 to 2021 MAZDA MAZDA3

## Other bulletins for the same vehicles and component

- [SA\-004\-22b](/bulletins/10213125.md), 2022-06-04, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
- [SA\-003\-22d](/bulletins/10209751.md), 2022-04-06, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Mazda3 and CX\-30: Prior to February 8, 2022, some vehicles may store DTC U0300:57 \(Body control module \(BCM\) internal malfunction\) and cannot be erased after a BCM replacement or MDARS BCM software update \(NOT with BCM update for SSPC5 or 4621B using MDRT\). This is caused by a BCM\-VCM software error. MX\-30: Some MX\-30 vehicles may store DTC U0300:57 \(Body control module \(BCM\) internal malfunction\) and cannot be erased after a BCM replacement or MDARS BCM software update. This is caused by a BCM\-VCM software error. Mazda is aware of the issue and is working on a resolution. If there is an issue with this concern, Mazda recommends putting customer in a loaner vehicle at this time. \*DO NOT perform BCM software update with MDARS until further notice. \*This SA will be updated with the newest repair information as it becomes available.
- [09\-021\-21\-3818b](/bulletins/10201772.md), 2021-10-02, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. 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 \(Version 74.00.230 or later\). 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. Please explain this to the customer before updating the software. If the customer agrees, turn off the tachometer display on the AD\-Display tab in MAZDA CONNECT Settings before performing the update. NOTE: If the customer has customized MAZDA CONNECT with something like a different background using unauthorized software, make sure they know the following information before updating MAZDA CONNECT to avoid any issues later on. Updating MAZDA CONNECT to the latest version will erase any customization created by unauthorized software. Unauthorized customization software will not work on the latest version of MAZDA CONNECT software. The latest version of MAZDA CONNECT software cannot be rolled back to an earlier version. Mazda does not recommend unauthorized customization of MAZDA CONNECT due to the possibility of unexpected problems. Any issues related to this will not be covered under Mazda warranty policy.
- [SA\-008\-21](/bulletins/10186810.md), 2021-02-06, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL. DTC P0942:49 is missing from the Workshop Manual on MGSS. Follow the repair procedure below to repair the vehicle until the information is added.
- [SA\-003\-20f](/bulletins/10185180.md), 2021-01-06, Service bulletin: ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY; STRUCTURE; ELECTRICAL SYSTEM:SOFTWARE. IMPORTANT NOTE: Some 2020 Mazda3 vehicles may have incorrect infotainment software version 10042 installed. The incorrect software will cause MyMazda App Connected Vehicle enrollment errors. Go to SSPC1. Some customers may complain about any of the following: Infotainment Center Display does not provide the Authorization Code during the MyMazda App Connected Vehicle enrollment \(and Software Update Error message on 2020 Mazda3 only\). Remote function\(s\) inoperative. Engine Start / Stop, Door Lock / Unlock, Lights ON / OFF
- [SA\-031\-20j](/bulletins/10183664.md), 2020-12-04, Service bulletin: LATCHES/LOCKS/LINKAGES:DOORS:LOCK; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE. IMPORTANT NOTE: Some 2020 Mazda3 vehicles may have incorrect infotainment software version 10042 installed. The incorrect software will cause MyMazda App Connected Vehicle enrollment errors. Go to SSPC1. Some customers may complain about any of the following: Infotainment Center Display does not provide the Authorization Code during the MyMazda App Connected Vehicle enrollment \(and Software Update Error message on 2020 Mazda3 only\). Remote function\(s\) inoperative. Engine Start / Stop, Door Lock / Unlock, Lights ON / OFF
- [DRW34a](/bulletins/10183635.md), 2020-12-04, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY; BACK OVER PREVENTION; EQUIPMENT. DRW34 \- 2021 CX\-9 AND CX\-5 MAZDA CONNECT SETTINGS CONCERN. Concern Outline: It is not possible to customize the View Monitor, Parking Sensor and Vehicle \- Doors \> Hands\-Free Liftgate settings as they are not displayed on the Mazda Connect screen, due to an inappropriate setting in the software on the subject vehicles involved in this campaign. Outline of Repair: Perform a Factory Reset on the Mazda Connect Screen.
- [09\-013\-20\-3663c](/bulletins/10183595.md), 2020-12-03, Service bulletin: ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:SOFTWARE. When the Telematics Communication Unit \(TCU\) has been replaced or reprogrammed and the software is updated to ones shown below, DTC U2050:55\-TCU \(Activation of remote control not implemented\) may be stored in memory with the message “In\-Vehicle Network Malfunction” displayed in the multi\-information display. This is caused by a communication error between the TCU, the Connectivity Master Unit \(CMU\), and the Body Control Module \(BCM\) when the control software in them are not of the version being ready for activation of connected service. To correct this concern, the control software of the TCU, CMU and BCM have been modified.
- [DRW34](/bulletins/10182129.md), 2020-11-04, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; VISIBILITY; ELECTRICAL SYSTEM:SOFTWARE. 2021 CX\-9 AND CX\-5 MAZDA CONNECT SETTINGS CONCERN: Concern Outline: It is not possible to customize the “View Monitor”, “Parking Sensor” and Safety \(hands free liftgate\) settings as they are not displayed on the Mazda Connect screen, due to an inappropriate setting in the software on the subject vehicles involved in this campaign. Outline of Repair: Perform a Factory Reset on the Mazda Connect Screen. Note: Modified software will be incorporated into mass\-production vehicles beginning November 3, 2020. Certain CX\-5 and CX\-9 vehicles produced before the mass\-production change, will be reworked before shipment.
- [09\-013\-20\-3663b](/bulletins/10182102.md), 2020-11-04, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. When the Telematics Communication Unit \(TCU\) has been replaced or reprogrammed and the software is updated to ones shown below, DTC U2050:55\-TCU \(Activation of remote control not implemented\) may be stored in memory with the message “In\-Vehicle Network Malfunction” displayed in the multi\-information display. • Japan built vehicles: BDGF\-67CK2\-B or later suffix. • Mexico built vehicles: BDTS\-67CK2\-A or later suffix. NOTE: The Description for DTC U2050:55\-TCU will be added to MGSS. This is caused by a communication error between the TCU, the Connectivity Master Unit \(CMU\), and the Body Control Module \(BCM\) when the control software in them are not of the version being ready for activation of connected service. To correct this concern, the control software of the TCU, CMU and BCM have been modified. When you encounter this concern, reprogram \(update\) the BCM and the CMU to the latest version.

JSON: [/v1/bulletins/10183663](/v1/bulletins/10183663)

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